Editing Demographics of Japan (section)

==Vital statistics==
===Statistics since 1873===
[[File:Live births and deaths of Japan.svg|thumb|Japanese birth and death rates since 1950.]]
Population statistics since 1873. Foreign nationals are not included.<ref>B.R. Mitchell. International historical statistics: Africa. Asia & Oceania 1750–2000.</ref><ref>{{cite web |url=http://unstats.un.org/unsd/demographic/products/dyb/dyb2.htm#2001 |title=United Nations Statistics Division – Demographic and Social Statistics |website=Unstats.un.org |access-date=2017-04-17 |archive-date=2016-12-27 |archive-url=https://web.archive.org/web/20161227194033/http://unstats.un.org/unsd/demographic/products/dyb/dyb2.htm#2001 |url-status=live }}</ref><ref>{{Cite web|url=http://www.stat.go.jp/english/data/getujidb/index.htm#b|archiveurl=https://web.archive.org/web/20120221022516/http://www.stat.go.jp/English/data/getujidb/index.htm|url-status=dead|title=Statistics Bureau Home Page/Japan Monthly Statistics|archivedate=February 21, 2012|website=www.stat.go.jp}}</ref><ref>{{cite web | url=https://www.e-stat.go.jp/en/stat-search/file-download?statInfId=000012680559&fileKind=0 | title=10k22-1 }}</ref><ref>{{cite web | url=https://www.e-stat.go.jp/en/stat-search/file-download?statInfId=000031526210&fileKind=0 | title=15k27-1 }}</ref><ref>{{cite web | url=https://www.e-stat.go.jp/en/stat-search/file-download?statInfId=000032166839&fileKind=4 | title=a00100 }}</ref><ref>{{Cite web |title=－人口統計資料集(2004)－ |url=https://www.ipss.go.jp/syoushika/tohkei/Popular/P_Detail2004.asp?fname=01-02.htm |access-date=2025-03-27 |website=www.ipss.go.jp}}</ref>

Notable events in Japanese demographics:
* 1939-1945 – [[Second World War]]
* 1949 – [[Abortion in Japan|Abortion act]] came into force
* 1966 – [[Fire Horse|Year of the Fire Horse]]

{| class="wikitable sortable" style="text-align: right;"
! rowspan="2" |Year
! rowspan="2" |Average<br />population<br>(Oct 1)
! rowspan="2" |Live births
<ref>{{Cite web |title=人口統計資料集2023改訂版 |url=https://www.ipss.go.jp/syoushika/tohkei/Data/Popular2023RE/T03-01.htm |access-date=2025-03-27 |website=www.ipss.go.jp}}</ref>
! rowspan="2" |Deaths
<ref>{{Cite web |title=－人口統計資料集(2023)改訂版－ |url=https://www.ipss.go.jp/syoushika/tohkei/Popular/P_Detail2023RE.asp?fname=T05-01.htm |access-date=2025-03-27 |website=www.ipss.go.jp}}</ref>
! rowspan="2" |Natural<br />change
! colspan="4" |Crude rates (per 1000)
! rowspan="2" |Total<br />fertility<br />rate<ref name="autogenerated1" /><ref>{{citation|url=https://ourworldindata.org/fertility-rate|title=Fertility Rate|author=Max Roser|date=2014|work=[[Our World In Data]], [[Gapminder Foundation]]|access-date=2018-07-21|archive-date=2020-11-21|archive-url=https://web.archive.org/web/20201121073056/https://ourworldindata.org/fertility-rate|url-status=live}}</ref><ref>{{Cite web |date=2022-12-11 |title=Fertility rate: children per woman - Our World in Data |url=https://web.archive.org/web/20221211183757/https://ourworldindata.org/grapher/children-born-per-woman?tab=chart&country=~JPN |access-date=2025-05-16 |website=web.archive.org}}</ref>
! rowspan="2" |Net change
! rowspan="2" |Infant<br />mortality<br />rate<br />(per 1000<br />births)
! colspan="2" |Life expectancy<ref name="autogenerated1" />
|-
! Births
! Deaths
! Natural<br />change
! Migration
! Males
! Females
|-
|1873
|34,806,000
|809,000
|660,694
|148,306
|23.1
|18.9
|4.3
|
| style="text-align:right; color:blue;" |3.41
|
|
|-
|1874
|34,985,000
|836,000
|696,653
|139,347
|23.8
|19.8
|4.0
|1.3
| style="text-align:right; color:blue;" |3.52
|179,000
|
|-
|1875
|35,316,000
|869,000
|654,562
|214,438
|24.6
|18.5
|6.1
|2.1
| style="text-align:right; color:blue;" |3.74
|331,000
|
|-
|1876
|35,555,000	
|903,000
|613,022
|289,978
|25.4
|17.2
|8.2
| -1.5
| style="text-align:right; color:blue;" |3.75
|239,000
|
|-
|1877
|35,870,000	
|891,000
|620,306
|270,694
|24.8
|17.3
|7.5
|0.1
| style="text-align:right; color:blue;" |3.67
|315,000
|
|-
|1878
|36,166,000	
|875,000
|603,277
|271,723
|24.2
|16.7
|7.5
|2.5
| style="text-align:right; color:blue;" |3.58
|296,000
|
|-
|1879
|36,464,000	
|877,000
|721,147
|155,853
|24.0
|19.8
|4.3
|3.6
| style="text-align:right; color:blue;" |3.55
|298,000
|
|-
|1880
|36,649,000	
|884,000
|603,055
|281,945
|24.1
|16.5
|7.7
| -2.7
| style="text-align:right; color:blue;" |3.59
|185,000
|
|-
|1881
|36,965,000	
|941,000
|686,064
|254,936
|25.5
|18.6
|6.9
|1.7
| style="text-align:right; color:blue;" |3.77
|316,000
|
|-
|1882
|37,259,000
|923,000
|668,342
|254,658
|24.8
|17.9
|6.8
|1.4
| style="text-align:right; color:blue;" |3.67
|294,000
|
|-
|1883
|37,569,000	
|1,005,000
|676,369
|328,631
|26.8
|18.0
|8.7
| −1.3
| style="text-align:right; color:blue;" |3.96
|310,000
|
|-
|1884
|37,962,000	
|975,000
|705,126
|269,874
|25.7
|18.6
|7.1
|3.2
| style="text-align:right; color:blue;" |3.80
|393,000
|
|-
|1885
|38,313,000	
|1,025,000
|886,824
|138,176
|26.7
|23.1
|3.6
|1.3
| style="text-align:right; color:blue;" |3.98
|351,000
|
|-
|1886
|38,541,000	
|1,051,000
|938,343
|112,657
|27.3
|24.3
|2.9
|3.1
| style="text-align:right; color:blue;" |4.04
|228,000
|
|-
|1887
|38,703,000	
|1,058,000
|753,456
|304,544
|27.3
|19.5
|7.9
| −4.0
| style="text-align:right; color:blue;" |4.04
|162,000
|
|-
|1888
|39,029,000	
|1,173,000
|752,834
|420,166
|30.0
|19.3
|10.8
| −1.1
| style="text-align:right; color:blue;" |4.43
|326,000
|
|-
|1889
|39,473,000	
|1,210,000
|808,680
|401,320
|30.7
|20.5
|10.2
|1.7
| style="text-align:right; color:blue;" |4.54
|444,000
|
|-
|1890
|39,902,000	
|1,145,000
|823,718
|321,282
|28.7
|20.6
|8.1
|2.1
| style="text-align:right; color:blue;" |4.18
|429,000
| 
|-
|1891
|40,251,000	
|1,087,000
|853,139
|233,861
|27.0
|21.2
|5.8
|4.2
| style="text-align:right; color:blue;" |3.99
|349,000
|
|-
|1892
|40,508,000	
|1,207,000
|886,988
|320,012
|29.8
|21.9
|7.9
| −0.3
| style="text-align:right; color:blue;" |4.40
|257,000
|
|-
|1893
|40,860,000	
|1,178,000
|937,644
|240,356
|28.8
|22.9
|5.9
|4.5
| style="text-align:right; color:blue;" |4.26
|352,000
|
|-
|1894
|41,142,000	
|1,209,000
|840,768
|368,232
|29.4
|20.4
|8.9
| −1.3
| style="text-align:right; color:blue;" |4.35
|282,000
|
|-
|1895
|41,557,000	
|1,246,000
|852,422
|393,578
|30.0
|20.5
|9.5
|1.1
| style="text-align:right; color:blue;" |4.36
|415,000
|
|-
|1896
|41,992,000
|1,282,000||912,822||369,178
|30.5||21.7||8.8
|3.1
| style="text-align:right; color:blue;" |4.51
|435,000
|
|-
|1897
|42,400,000	
|1,334,000||876,837||457,163
|31.5||20.7||10.8
| −1.9
| style="text-align:right; color:blue;" |4.66
|408,000
|
|-
|1898
|42,886,000	
|1,370,000||894,524||475,476
|31.9||20.9||11.1
|0.3
| style="text-align:right; color:blue;" |4.72
|486,000
|
|-
| 1899
|43,400,000
|1,386,981||932,087||454,894
|32.0||21.5||10.5
|1.4
| style="text-align:right; color:blue;" |4.73
|514,000
|153.8
| ||
|-
| 1900
|43,847,000
|1,420,534||910,744||509,790
|32.4||20.8||11.6
| −1.4
| style="text-align:right; color:blue;" |4.69
|447,000
|155.0
| ||
|-
| 1901
|44,359,000
|1,501,591||925,810||575,781
|33.9||20.9||13.0
| −1.5
| style="text-align:right; color:blue;" |5.01
|512,100
|149.9
| ||
|-
| 1902
|44,964,000
|1,510,853||959,126||551,709
|33.6||21.3||12.3
| 1.2
| style="text-align:right; color:blue;" |4.97
|605,000
|154.0
| ||
|-
| 1903
|45,546,000
|1,489,816||931,008||558,808
|32.0||20.0||13.5
| 0.5
| style="text-align:right; color:blue;" |4.83
|582,000
|152.4
| ||
|-
| 1904
|46,135,000
|1,440,371||955,400||484,971
|30.6||21.2||10.7
| 2.3
| style="text-align:right; color:blue;" |4.61
|589,000
|151.9
| ||
|-
| 1905
|46,620,000
|1,452,770||1,004,661||448,109
|30.6||21.9||10.1
| 0.8
| style="text-align:right; color:blue;" |4.52
|485,000
|151.7
| ||
|-
| 1906
|47,038,000
|1,394,295||955,256||439,039
|29.0||20.0||10.6
| −0.5
| style="text-align:right; color:blue;" |4.38
|418,000
|153.6
| ||
|-
| 1907
|47,416,000
|1,614,472||1,016,798||597,674
|33.2||21.0||13.9
| −4.7
| style="text-align:right; color:blue;" |5.03
|378,000
|151.3
| ||
|-
| 1908
|47,965,000
|1,662,815||1,029,447||633,368
|33.7||20.9||14.5
| −1.8
| style="text-align:right; color:blue;" |5.13
|549,000
|158.0
| ||
|-
| 1909
|48,554,000
|1,693,850||1,091,264||602,586
|33.9||21.9||13.8
| −0.3
| style="text-align:right; color:blue;" |5.16
|589,000
|167.3
| ||
|-
| 1910
|49,184,000
|1,712,857||1,064,234||648,623
|33.9||21.1||14.5
| −0.4
| style="text-align:right; color:blue;" |5.01
|630,000
|161.2
| ||
|-
| 1911
|49,852,000
|1,747,803||1,043,906||703,897
|34.1||20.4||15.5
| −0.7
| style="text-align:right; color:blue;" |5.19
|668,000
|158.4
| ||
|-
| 1912
|50,577,000
|1,737,674||1,037,016||700,658
|33.4||20.0||15.3
| −0.5
| style="text-align:right; color:blue;" |5.08
|725,000
|154.2
| ||
|-
| 1913
|51,305,000
|1,757,441||1,027,257||730,184
|33.3||19.5||15.6
| 0
| style="text-align:right; color:blue;" |5.07
|728,000
|152.1
| ||
|-
| 1914
|52,039,000
|1,808,402||1,101,815||706,587
|33.8||20.6||14.9
| 0.5
| style="text-align:right; color:blue;" |5.14
|734,000
|158.5
| ||
|-
| 1915
|52,752,000
|1,799,326||1,093,793||705,533
|33.2||20.2||14.4
| 0.1
| style="text-align:right; color:blue;" |4.91
|713,000
|160.4
| ||
|-
| 1916
|53,496,000
|1,804,822||1,187,832||616,990
|32.9||21.6||12.7
| 2.4
| style="text-align:right; color:blue;" |4.98
|744,000
|170.3
| ||
|-
| 1917
|54,134,000
|1,812,413||1,199,669||612,744
|32.7||21.6||12.5
| 0.5
| style="text-align:right; color:blue;" |4.95
|738,000
|173.2
| ||
|-
| 1918
|54,739,000
|1,791,992||1,493,162||298,830
|32.2||26.7||6.4
| 5.7
| style="text-align:right; color:blue;" |4.83
|605,000
|188.6
| ||
|-
| 1919
|55,033,000
|1,778,685||1,281,965||496,720
|31.6||22.8||10.2
| −3.7
| style="text-align:right; color:blue;" | 4.77
|294,000
|170.5
| ||
|-
| 1920
|55,963,053
|2,025,564||1,422,096||603,468
| style="color: blue" |36.2||25.4||12.0
| 5.9
| style="text-align:right; color:blue;" | 5.35
|930,053
|165.7
| ||
|-
| 1921
|56,666,000
|1,990,876||1,288,570||702,306
|35.1||22.7||12.4
| 0.0
| style="text-align:right; color:blue;" | 5.22
|702,947
|168.3
| ||
|-
| 1922
|57,390,000
|1,969,314||1,286,941||682,373
|34.3||22.4||11.9
| 0.7
| style="text-align:right; color:blue;" |5.12
|724,000
|166.4
| ||
|-
| 1923
|58,119,000
|2,043,297||1,332,485||710,812
|35.2||22.9||12.2
| 0.3
| style="text-align:right; color:blue;" |5.26
|729,000
|163.4
| ||
|-
| 1924
|58,876,000
|1,998,520||1,254,946||743,574
|33.9||21.3||12.6
| 0.2
| style="text-align:right; color:blue;" |5.07
|757,000
|156.2
| ||
|-
| 1925
|59,736,822
|2,086,091||1,210,706||875,395
|34.9||20.3||14.5
| −0.2
| style="text-align:right; color:blue;" |5.10
|860,822
|142.4
| ||
|-
| 1926
|60,741,000
|2,104,405||1,160,734||943,671
|34.6||19.1||15.5
| 1.0
| style="text-align:right; color:blue;" |5.19
|1,004,178
|137.5
| ||
|-
| 1927
|61,659,300
|2,060,737||1,214,323||846,414
|33.4||19.7||13.7
| 1.2
| style="text-align:right; color:blue;" |5.00
|918,000
|141.6
| ||
|-
| 1928
|62,595,300
|2,135,852||1,236,711||899,141
|34.1||19.8||14.4
| 0.6
| style="text-align:right; color:blue;" |5.09
|936,000
|136.7
| ||
|-
| 1929
|63,461,000
|2,077,026||1,261,228||815,798
|32.7||19.9||12.9
| 0.8
| style="text-align:right; color:blue;" |4.87
|866,000
|142.1
| ||
|-
| 1930
|64,450,005
|2,085,101||1,170,867||914,234
|32.4||18.2||14.2
| 1.2
| style="text-align:right; color:blue;" |4.70
|989,005
|124.1
| ||
|-
| 1931
|65,457,500
|2,102,784||1,240,891||861,893
|32.1||19.0||13.2
| 2.3
| style="text-align:right; color:blue;" |4.76
|1,006,995
|131.5
| ||
|-
| 1932
|66,433,800
|2,182,742||1,175,344||1,007,398
|32.9||17.7||15.2
| −0.5
| style="text-align:right; color:blue;" |4.86
|343,000
|117.5
| ||
|-
| 1933
|67,431,600
|2,121,253||1,193,987||927,266
|31.5||17.7||13.8
| 1.1
| style="text-align:right; color:blue;" |4.63
|990,000
|121.3
| ||
|-
| 1934
|68,308,900
|2,043,783||1,234,684||809,099
|29.9||18.1||11.9
| 1.0
| style="text-align:right; color:blue;" |4.39
|890,000
|124.8
| ||
|-
| 1935
|69,254,148
|2,190,704||1,161,936||1,028,768
|31.6||16.8||14.9
| −1.2
| style="text-align:right; color:blue;" |4.59
|574,148
|106.7
| ||
|-
| 1936
|70,113,600
|2,101,969||1,230,278||871,691
|30.0||17.5||12.4
| −0.2
| style="text-align:right; color:blue;" |4.34
|345,852
|116.7
|46.92||49.63
|-
| 1937
|70,630,400
|2,180,734||1,207,899||972,835
|30.9||17.1||13.7
| −6.5
| style="text-align:right; color:blue;" |4.45
|770,000
|105.8
| ||
|-
| 1938
|71,012,600
|1,928,321||1,259,805||668,516
|27.2||17.7||9.4
| −4.1
| style="text-align:right; color:blue;" |3.88
|230,000
|114.4
| ||
|-
| 1939
|71,379,700
|1,901,573||1,268,760||632,813
|26.6||17.8||8.8
| −3.7
| style="text-align:right; color:blue;" |3.80
|340,000
|106.2
| ||
|-
| 1940
|71,993,000
|2,115,867||1,186,595||929,272
|29.4||16.4||12.9
| −4.4
| style="text-align:right; color:blue;" |4.11
|2,184,308
|90.0
| ||
|-
| 1941
|71,678,000
|2,277,283||1,149,559||1,127,724
|31.1||15.7||15.4
| style="color: red"|−20.0
| style="text-align:right; color:blue;" |4.36
| style="text-align:right;color:red;" |−364,308
|84.1
| ||
|-
| 1942
|72,386,000
|2,233,660||1,166,630||1,067,030
|30.3||15.8||14.4
| −5.0
| style="text-align:right; color:blue;" |4.18
|700,000
|85.5
| ||
|-
| 1943
|72,887,700
|2,253,535||1,213,811||1,039,724
|30.3||16.3||13.9
| −7.4
| style="text-align:right; color:blue;" |4.11
|530,000
|86.6
| ||
|-
| 1944
|73,064,000
|2,149,843||1,279,639||870,204
|29.2||17.4||11.8
| −9.5
| style="text-align:right; color:blue;" |3.95
| style="text-align:right;color:red;" |−115,000
|
| ||
|-
| 1945
|71,998,104
|1,685,583
| style="text-align:right;color:red;" |2,113,798
| style="color: red" | -428,215
|23.2|| style="color: red" |29.2|| style="color: red" |−5.9
| −8.7
| style="text-align:right; color:blue;" |3.11
| style="text-align:right;color:red;" |−1,866,896
|
| ||
|-
| 1946
|73,114,000
|1,905,809||1,326,592||579,217
|25.3||17.6||7.7
| 7.5
| style="text-align:right; color:blue;" |3.37
|3,301,896
|
| ||
|-
| 1947
|78,101,000
|2,678,792||1,138,238||1,540,554
|34.3||14.6||19.7
|style="color: blue"| 47.1
| style="text-align:right;color:blue;" |4.541
|2,725,000
|76.7
|50.06||53.96
|-
| 1948
|80,002,500
|2,681,624||950,610||1,731,014
|33.7||12.0||style="color:blue;" |21.8
| 2.2
| style="text-align:right; color:blue;" |4.400
|1,475,000
|61.7
|55.6||59.4
|-
| 1949
|81,772,600
| style="text-align:right;color:blue;" |2,696,638
|945,444||style="color:blue;" |1,751,194
|33.2||11.6||21.5
| 0.2
| style="text-align:right; color:blue;" |4.316
|1,800,000
|62.5
|56.2||59.8
|-
| 1950
|83,199,637
|2,337,507||904,876||1,432,631
|28.2||10.9||17.3
| −0.1
| style="text-align:right; color:blue;" |3.650
|1,899,637
|60.1
|58.0||61.5
|-
| 1951
|84,541,000
|2,137,689||838,998||1,298,691
|25.4||10.0||15.4
| 0.5
| style="text-align:right; color:blue;" |3.262
|1,035,363
|57.5
|59.57||62.97
|-
| 1952
|85,808,000
|2,005,162||765,068||1,240,094
|23.5||8.9||14.5
| 0.3
| style="text-align:right; color:blue;" |2.976
|1,268,000
|49.4
|61.9||65.5
|-
| 1953
|86,981,000
|1,868,040||772,547||1,095,493
|21.5||8.9||12.6
| 0.9
| style="text-align:right; color:blue;" |2.695
|1,192,000
|48.9
|61.9||65.7
|-
| 1954
|88,239,000
|1,769,580||721,491||1,048,089
|20.1||8.2||11.9
| 2.4
| style="text-align:right; color:blue;" |2.481
|1,281,000
|44.6
|63.41||67.69
|-
| 1955
|89,275,529
|1,730,692||693,523||1,037,169
|19.4||7.8||11.7
| 0
| style="text-align:right; color:blue;" |2.370
|1,299,529
|39.8
|63.60||67.75
|-
| 1956
|90,172,000
|1,665,278||724,460||940,818
|18.5||8.1||10.5
| −0.5
| style="text-align:right; color:blue;" |2.223
|677,471
|40.6
|63.59||67.54
|-
| 1957
|90,928,000
|1,566,713||752,445||814,268
|17.3||8.3||9.0
| −0.6
|2.043
|781,000
|40.0
|63.24||67.60
|-
| 1958
|91,767,000
|1,653,469||684,189||969,280
|18.1||7.5||10.6
| −1.4
| style="text-align:right; color:blue;" |2.110
|812,000
|34.5
|64.98||69.61
|-
| 1959
|92,641,000
|1,626,088||689,959||936,129
|17.6||7.5||10.1
| −0.7
|2.039
|888,000
|33.7
|65.21||69.88
|-
| 1960
|93,418,501
|1,606,041||706,599||899,442
|17.3||7.6||9.7
| −1.3
|2.004
|984,501
|30.7
|65.32||70.19
|-
| 1961
|94,287,000
|1,589,372||695,644||893,728
|17.0||7.4||9.6
| −0.3
|1.961
|1,524,499
|28.6
|66.03||70.79
|-
| 1962
|95,181,000
|1,618,616||710,265||908,351
|17.1||7.5||9.6
| −0.2
|1.976
|889,000
|26.4
|66.23||71.16
|-
| 1963
|96,156,000
|1,659,521
|670,770
|988,751
|17.4||7.0||10.4
| −0.1
|2.005
|980,000
|23.2
|67.21||72.34
|-
| 1964
|97,182,000
|1,716,761||673,067||1,043,694
|17.8||6.9||10.8
| −0.2
|2.049
|1,014,000
|20.4
|67.67||72.87
|-
| 1965
|98,274,961
|1,823,697||700,438||1,123,259
|18.7||7.1||11.5
| −0.3
| style="text-align:right; color:blue;" |2.139
|448,961
|18.5
|67.74||72.92
|-
| 1966
|99,036,000
|1,360,974
| style="text-align:right;color:blue;" |670,342
|690,632
|13.8||6.8||7.1
| 0.7
|1.578
|1,515,039
|19.3
|68.35||73.61
|-
| 1967
|100,196,000
|1,935,647||675,006||1,260,641
|19.4||6.7||12.7
| −1.0
| style="text-align:right; color:blue;" |2.226
|935,000
|14.9
|68.91||74.15
|-
| 1968
|101,331,000
|1,871,839||686,555||1,185,284
|18.5||6.8||11.8
| −0.5
| style="text-align:right; color:blue;" |2.134
|1,336,000
|15.3
|69.05||74.30
|-
| 1969
|102,536,000
|1,889,815||693,787||1,196,028
|18.5||6.8||11.7
| 0.1
| style="text-align:right; color:blue;" |2.131
|1,111,000
|14.2
|69.18||74.67
|-
| 1970
|103,720,060
|1,934,239||712,962||1,221,277
|18.7||6.9||11.9
| −0.4
| style="text-align:right; color:blue;" |2.135
|548,060
|13.1
|69.31||74.66
|-
| 1971
|105,145,000
|2,000,973||684,521||1,316,452
|19.1||6.5||12.6
| 1.0
| style="text-align:right; color:blue;" |2.157
|1,976,940
|12.4
|70.17||75.58
|-
| 1972
|107,595,000
|2,038,682||683,751||1,354,931
|19.2||6.4||12.8
| 10.4
| style="text-align:right; color:blue;" |2.142
|1,491,000
|11.7
|70.50||75.94
|-
| 1973
|109,104,000
|2,091,983||709,416||1,382,567
|19.2||6.5||12.7
| 1.2
| style="text-align:right; color:blue;" |2.140
|1,521,000
|11.3
|70.70||76.02
|-
| 1974
|110,573,000
|2,029,989||710,510||1,319,479
|18.4||6.4||12.0
| 1.4
|2.049
|1,453,000
|10.8
|71.16||76.31
|-
| 1975
|111,939,643
|1,901,440||702,275||1,199,165
|17.0||6.3||10.7
| 1.5
|1.909
|1,777,643
|10.0
|71.73||76.89
|-
| 1976
|113,094,000
|1,832,617||703,270||1,129,347
|16.3||6.2||10.0
| 0.2
|1.852
|835,357
|9.3
|72.15||77.35
|-
| 1977
|114,165,000
|1,755,100||690,074||1,065,026
|15.4||6.1||9.4
| 0.1
|1.800
|1,097,000
|8.9
|72.69||77.95
|-
| 1978
|115,190,000
|1,708,643||695,821||1,012,822
|14.9||6.1||8.8
| 0.1
|1.792
|662,000
|8.4
|72.97||78.33
|-
| 1979
|116,155,000
|1,642,580||689,664||952,916
|14.2|| style="color: blue" |6.0||8.2
| 0.1
|1.769
|962,000
|7.9
|73.46||78.89
|-
| 1980
|117,060,396
|1,576,889||722,801||854,088
|13.6||6.2||7.3
| 0.4
|1.747
|1,104,396
|7.5
|73.35||78.76
|-
| 1981
|117,902,000
|1,529,455||720,262||809,193
|13.0||6.1||6.9
| 0.3
|1.741
|621,604
|7.1
|73.79||79.13
|-
| 1982
|118,728,000
|1,515,392||711,883||803,509
|12.8||6.0||6.8
| 0.2
|1.770
|821,000
|6.6
|74.22||79.66
|-
| 1983
|119,536,000
|1,508,687||740,038||768,649
|12.7||6.2||6.5
| 0.3
|1.800
|796,000
|6.2
|74.20||79.78
|-
| 1984
|120,305,000
|1,489,780||740,247||749,533
|12.5||6.2||6.3
| 0.2
|1.811
|654,000
|6.0
|74.54||80.18
|-
| 1985
|121,049,000
|1,431,577||752,283||679,294
|11.9||6.3||5.6
| 0.5
|1.764
|755,923
|5.5
|74.78||80.48
|-
| 1986
|121,660,000
|1,382,946||750,620||632,326
|11.4||6.2||5.2
| −0.2
|1.723
|670,077
|5.2
|75.23||80.93
|-
| 1987
|122,239,000
|1,346,658||751,172||595,486
|11.1||6.2||4.9
| −0.1
|1.690
|863,000
|5.0
|75.61||81.39
|-
| 1988
|122,745,000
|1,314,006||793,014||520,992
|10.8||6.5||4.3
| −0.1
|1.656
|565,000
|4.8
|75.54||81.30
|-
| 1989
|123,205,000
|1,246,802||788,594||458,208
|10.2||6.4||3.7
| 0
|1.572
|609,000
|4.6
|75.91||81.77
|-
| 1990
|123,611,000
|1,221,585||820,305||401,280
|10.0||6.7||3.3
| 0
|1.543
|455,167
|4.6
|75.92||81.90
|-
| 1991
|124,101,000
|1,223,245||829,797||393,448
|9.9||6.7||3.2
| 0.8
|1.533
|511,833
|4.4
|76.11||82.11
|-
| 1992
|124,567,000
|1,208,989||856,643||352,346
|9.8||6.9||2.9
| 0.9
|1.502
|453,000
|4.5
|76.09||82.22
|-
| 1993
|124,928,000
|1,188,282||878,532||309,750
|9.6||7.1||2.5
| 0.4
|1.458
|431,000
|4.3
|76.25||82.51
|-
| 1994
|125,265,000
|1,238,328||875,933||362,395
|10.0||7.1||2.9
| −0.2
|1.500
|452,000
|4.2
|76.57||82.98
|-
| 1995
|125,570,000
|1,187,064||922,139||264,925
|9.6||7.4||2.2
| 0.3
|1.423
|213,000
|4.3
|76.38||82.85
|-
| 1996
|125,859,000
|1,206,555||896,211||310,344
|9.7||7.2||2.5
| −0.2
|1.425
|285,000
|3.8
|77.01||83.59
|-
| 1997
|126,157,000
|1,191,665||913,402||278,263
|9.5||7.3||2.2
| 0.2
|1.388
|300,000
|3.7
|77.19||83.82
|-
| 1998
|126,472,000
|1,203,147||936,484||266,663
|9.6||7.5||2.1
| 0.4
|1.384
|343,000
|3.6
|77.16||84.01
|-
| 1999
|126,767,000
|1,177,669||982,031||195,638
|9.4||7.8||1.6
| 0.8
|1.342
|231,000
|3.4
|77.10||83.99
|-
| 2000
|127,076,000
|1,190,547||961,653||228,894
|9.5||7.7||1.8
| 0.6
|1.359
|212,000
|3.2
|77.72||84.60
|-
| 2001
|127,291,000
|1,170,662||970,331||200,331
|9.3||7.7||1.6
| 0.1
|1.334
|306,000
|3.1
|78.07||84.93
|-
| 2002
|127,435,000
|1,153,855||982,379||171,476
|9.2||7.8||1.4
| −0.2
|1.319
|296,000
|3.0
|78.32||85.23
|-
| 2003
|127,619,000
|1,123,610||1,014,951||108,659
|8.9||8.0||0.9
| 0.6
|1.291
|273,000
|3.0
|78.36||85.33
|-
| 2004
|127,687,000
|1,110,721||1,028,602||82,119
|8.8||8.2||0.6
| −0.1
|1.289
|43,000
|2.8
|78.64||85.59
|-
| 2005
|127,768,000
|1,062,530||1,083,796|| style="color: red" |−21,266
|8.4||8.6|| style="color: red" |−0.2
| 0.8
| 1.260
|12,000
|2.8
|78.56||85.52
|-
| 2006
|127,901,000
|1,092,674||1,084,451||8,223
|8.7||8.6||0.1
| −0.0
|1.317
|81,000
|2.6
|79.00||85.81
|-
| 2007
|128,033,000
|1,089,818||1,108,334|| style="color: red" |−18,516
|8.6||8.8|| style="color: red" |−0.2
| 0.2
|1.337
|147,000
|2.6
|79.19||85.99
|-
| 2008
| style="color: blue" |128,084,000
|1,091,156||1,142,407|| style="color: red" |−51,251
|8.7||9.1|| style="color: red" |−0.4
| −0.2
|1.367
|62,000
|2.6
|79.29||86.05
|-
| 2009
| style="color: red" |128,032,000
|1,070,036||1,141,865|| style="color: red" |−71,829
|8.5||9.1|| style="color: red" |−0.6
| −0.9
|1.368
| style="color: red" | −52,000
|2.4
|79.59||86.44
|-
| 2010
|style="text-align:right;color:black;" |128,057,352
|1,071,305||1,197,014|| style="color: red" |−125,709
|8.5||9.5|| style="color: red" |−1.0
| 1.4
|1.387
| 25,352
|2.3
|79.64||86.39
|-
| 2011
| style="color: red" |127,834,000
|1,050,807||1,253,068|| style="color: red" |−202,261
|8.3||9.9|| style="color: red" |−1.6
| −0.4
|1.393
| style="color: red" | −222,648
|2.3
|79.44||85.90
|-
| 2012
| style="color: red" |127,593,000
|1,037,232||1,256,359|| style="color: red" |−219,127
|8.2||10.0|| style="color: red" |−1.8
| −0.4
|1.405
| style="color: red" | −241,000
|0.3
|79.93 ||86.37
|-
| 2013
| style="color: red" |127,414,000
|1,029,817||1,268,438|| style="color: red" |−238,621
|8.2||10.1|| style="color: red" |−1.9
| 1.7
|1.427
| style="color: red" | −179,000
|2.1
|80.19 ||86.56
|-
| 2014
| style="color: red" |127,237,000
|1,003,609||1,273,025|| style="color: red" |−269,416
|8.0||10.1|| style="color: red" |−2.1
| 2.0
|1.423
| style="color: red" | −177,000
|
|80.48 ||86.77
|-
| 2015
| style="color: red" |127,094,745
|1,005,721||1,290,510|| style="color: red" |−284,789
|8.0||10.3|| style="color: red" |−2.3
| 1.0
|1.451
| style="color: red" | −142,245
|1.9
|80.75 ||86.98
|-
| 2016 
| style="color: red" |127,042,000
|977,242||1,308,158|| style="color: red" |−330,916
|7.8||10.5|| style="color: red" |−2.7
| 1.2
|1.442
| style="color: red" | −52,745
|
|80.98 ||87.14
|-
| 2017 
| style="color: red" |126,919,000
|946,146||1,340,567|| style="color: red" |−394,421
|7.6||10.8|| style="color: red" |−3.2
| 2.1
|1.428
| style="color: red" | −123,000
|1.9
|81.09 ||87.26
|-
| 2018
| style="color: red" |126,749,000
|918,397||1,362,482|| style="color: red" |−444,085
|7.4||11.0|| style="color: red" |−3.6
| 3.0
|1.416
| style="color: red" | −170,000
|
|81.25||87.32
|-
|2019 
| style="color: red" |126,555,000
|865,239||1,381,093|| style="color: red" |−515,854
|7.0||11.2|| style="color: red" |−4.2
| 1.8
|1.361
| style="color: red" | −194,000
|
|81.41||87.45
|-
|2020
| style="color: red" |126,146,099
|840,832
|1,372,648|| style="color: red" |−531,816
|6.8||11.1|| style="color: red" |−4.3
| 1.0
|1.330
| style="color: red" | −408,901
|
| style="text-align:right; color:blue;" |81.64
| style="text-align:right; color:blue;" |87.74
|-
|2021
| style="color: red" |125,502,000
|811,604
|1,439,809 || style="color: red" |−628,205
||6.6||11.7|| style="color: red" |−5.1
| 2.3
|1.303
| style="color: red" | −604,099
|1.6
|81.47||87.57
|-
|2022
| style="color: red" |124,947,000
 | 770,759
|| 1,569,050 || style="color: red" |−798,291
|6.1||12.5|| style="color: red" |−6.4
| 1.9
|1.257
| style="color: red" | −555,000
|
|80.74||86.88
|-
| 2023 
| style="color: red" |124,352,000
| | 727,277|| 1,575,936 || style="color: red" |−848,659
|  style="color: red" |5.8
| 12.7
|  style="color: red" |−6.9
| 0.9
| 1.201
| style="color: red" | −595,000
|
|81.09||87.14
|-
|2024 
| style="color: red" |123,802,000
| style="color: red" | 691,204(e)|| 1,618,684|| style="color: red" |−927,480
|  style="color: red" |5.5
|style="color: red" | 13.0
|  style="color: red" |−7.5
| 3.0
| style="color: red" | 1.16(e)
| style="color: red" | −550,000
|
|
|

|}

=== Current vital statistics ===
<ref>{{Cite web|url=https://dashboard.e-stat.go.jp/en/dataSearch|title=Statistic Dashboard Data search|website=Portal site of Official Statistics of Japan|access-date=2020-08-03|archive-date=2021-01-24|archive-url=https://web.archive.org/web/20210124225650/https://dashboard.e-stat.go.jp/en/dataSearch|url-status=live}}</ref><ref>{{Cite web|url=https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00450011&bunya_l=02&tstat=000001028897|title=人口動態調査 &#124; ファイル &#124; 統計データを探す|website=www.e-stat.go.jp|access-date=2021-03-23|archive-date=2023-04-10|archive-url=https://web.archive.org/web/20230410032428/https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00450011&bunya_l=02&tstat=000001028897|url-status=live}}</ref>

{| class="wikitable" style="text-align:center;"
|+
|-
! Period
! Live births
! Deaths
! Natural increase
|-
| '''January 2024'''
| 61,074
| 156,650
| −95,576
|-
| '''January 2025'''
| 58,385
| 178,412
| −120,027
|-
| '''Difference'''
| {{decrease}} −2,689 (−4.40%)
| {{increaseNegative}} +21,762 (+13.89%)
| {{decrease}} +24,451
|}

===Total fertility rate by prefecture===
{| class="wikitable sortable"
|+ 2023<ref>{{Cite web |url=https://www.mhlw.go.jp/toukei/saikin/hw/jinkou/geppo/nengai22/dl/h8.pdf |title=人口動態総覧 |access-date=2024-01-17}}</ref>
!Prefecture
!TFR
|-
|{{flag|Tokyo}}
|0.99
|-
|{{flag|Hokkaido}}
|1.06
|-
|{{flag|Miyagi}}
|1.07
|-
|{{flag|Akita}}
|1.10
|-
|{{flag|Kyoto}}
|1.11
|-
|{{flagicon|Kanagawa}} [[Kanagawa]]
|1.13
|-
|{{flag|Saitama}}
|1.14
|-
|{{flag|Chiba}}
|1.14
|-
|{{flag|Iwate}}
|1.16
|-
|{{flag|Osaka}}
|1.19
|-
|{{flag|Tochigi}}
|1.19
|-
|'''{{flag|Japan}}'''
|1.20
|-
|{{flag|Nara}}
|1.21
|-
|{{flag|Fukushima}}
|1.21
|-
|{{flag|Ibaraki}}
|1.22
|-
|{{flag|Yamagata}}
|1.22
|-
|{{flag|Aomori}}
|1.23
|-
|{{flag|Niigata}}
|1.23
|-
|{{flag|Gunma}}
|1.25
|-
|{{flag|Shizuoka}}
|1.25
|-
|{{flag|Fukuoka}}
|1.26
|-
|{{flag|Hyogo}}
|1.29
|-
|{{flag|Aichi}}
|1.29
|-
|{{flag|Mie}}
|1.29
|-
|{{flag|Kochi}}
|1.30
|-
|{{flag|Gifu}}
|1.31
|-
|{{flag|Ehime}}
|1.31
|-
|{{flag|Okayama}}
|1.32
|-
|{{flag|Yamanashi}}
|1.32
|-
|{{flag|Wakayama}}
|1.33
|-
|{{flag|Hiroshima}}
|1.33
|-
|{{flag|Ishikawa}}
|1.34
|-
|{{flag|Nagano}}
|1.34
|-
|{{flag|Toyama}}
|1.35
|-
|{{flag|Tokushima}}
|1.36
|-
|{{flag|Shiga}}
|1.38
|-
|{{flag|Oita}}
|1.39
|-
|{{flag|Kagawa}}
|1.40
|-
|{{flag|Yamaguchi}}
|1.40
|-
|{{flag|Tottori}}
|1.44
|-
|{{flag|Fukui}}
|1.46
|-
|{{flag|Shimane}}
|1.46
|-
|{{flag|Saga}}
|1.46
|-
|{{flag|Kumamoto}}
|1.47
|-
|{{flag|Kagoshima}}
|1.48
|-
|{{flag|Nagasaki}}
|1.49
|-
|{{flag|Miyazaki}}
|1.49
|-
|{{flag|Okinawa}}
|1.60
|}

=== Total fertility rate===
====Fertility before 1873====
Source: <ref>{{Cite web |date=2022-12-11 |title=Fertility rate: children per woman - Our World in Data |url=https://web.archive.org/web/20221211183757/https://ourworldindata.org/grapher/children-born-per-woman?tab=chart&country=~JPN |access-date=2025-05-16 |website=web.archive.org}}</ref>

{| class="wikitable " style="text-align:right"
|-
! Years !! 1800!!1801!!1802!!1803!!1804!!1805!!1806!!1807!!1808!!1809!!1810
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.08|| style="text-align:right; color:blue;" |4.11 || style="text-align:right; color:blue;" |4.14|| style="text-align:right; color:blue;" |4.17|| style="text-align:right; color:blue;" |4.20|| style="text-align:right; color:blue;" |4.22|| style="text-align:right; color:blue;" |4.25|| style="text-align:right; color:blue;" |4.28|| style="text-align:right; color:blue;" |4.31|| style="text-align:right; color:blue;" |4.34|| style="text-align:right; color:blue;" |4.37
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1811!!1812!!1813!!1814!!1815!!1816!!1817!!1818!!1819!!1820
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.00|| style="text-align:right; color:blue;" |4.43 || style="text-align:right; color:blue;" |4.43|| style="text-align:right; color:blue;" |4.44|| style="text-align:right; color:blue;" |4.44|| style="text-align:right; color:blue;" |4.45|| style="text-align:right; color:blue;" |4.45|| style="text-align:right; color:blue;" |4.45|| style="text-align:right; color:blue;" |4.46|| style="text-align:right; color:blue;" |4.46
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1821!!1822!!1823!!1824!!1825!!1826!!1827!!1828!!1829!!1830
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.47|| style="text-align:right; color:blue;" |4.47 || style="text-align:right; color:blue;" |4.48|| style="text-align:right; color:blue;" |4.48|| style="text-align:right; color:blue;" |4.48|| style="text-align:right; color:blue;" |4.49|| style="text-align:right; color:blue;" |4.49|| style="text-align:right; color:blue;" |4.50|| style="text-align:right; color:blue;" |4.50|| style="text-align:right; color:blue;" |4.51
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1831!!1832!!1833!!1834!!1835!!1836!!1837!!1838!!1839!!1840
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.51|| style="text-align:right; color:blue;" |4.51 || style="text-align:right; color:blue;" |4.52|| style="text-align:right; color:blue;" |4.52|| style="text-align:right; color:blue;" |4.53|| style="text-align:right; color:blue;" |4.53|| style="text-align:right; color:blue;" |4.54|| style="text-align:right; color:blue;" |4.54|| style="text-align:right; color:blue;" |4.55|| style="text-align:right; color:blue;" |4.56
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1841!!1842!!1843!!1844!!1845!!1846!!1847!!1848!!1849!!1850
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.58|| style="text-align:right; color:blue;" |4.59 || style="text-align:right; color:blue;" |4.60|| style="text-align:right; color:blue;" |4.61|| style="text-align:right; color:blue;" |4.62|| style="text-align:right; color:blue;" |4.64|| style="text-align:right; color:blue;" |4.65|| style="text-align:right; color:blue;" |4.66|| style="text-align:right; color:blue;" |4.67|| style="text-align:right; color:blue;" |4.68
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1851!!1852!!1853!!1854!!1855!!1856!!1857!!1858!!1859!!1860
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |4.70|| style="text-align:right; color:blue;" |4.71 || style="text-align:right; color:blue;" |4.72|| style="text-align:right; color:blue;" |4.73|| style="text-align:right; color:blue;" |4.74|| style="text-align:right; color:blue;" |4.76|| style="text-align:right; color:blue;" |4.77|| style="text-align:right; color:blue;" |4.78|| style="text-align:right; color:blue;" |4.79|| style="text-align:right; color:blue;" |4.80
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1861!!1862!!1863!!1864!!1865!!1866!!1867!!1868!!1869!!1870
|-
| align="left" |[[Total Fertility Rate]] in Japan|| style="text-align:right; color:blue;" |4.82|| style="text-align:right; color:blue;" |4.83 || style="text-align:right; color:blue;" |4.84|| style="text-align:right; color:blue;" |4.70|| style="text-align:right; color:blue;" |4.55|| style="text-align:right; color:blue;" |4.41|| style="text-align:right; color:blue;" |4.27|| style="text-align:right; color:blue;" |4.13|| style="text-align:right; color:blue;" |3.98|| style="text-align:right; color:blue;" |3.84
|}
{| class="wikitable " style="text-align:right"
|-
! Years !! 1871!!1872!!1873
|-
| align="left" |Total Fertility Rate in Japan|| style="text-align:right; color:blue;" |3.70|| style="text-align:right; color:blue;" |3.56 || style="text-align:right; color:blue;" |3.41
|}
In 2023, Japan's total fertility rate was 1.20, among the lowest in the world and far below the replacement rate of 2.1.<ref>{{Cite web |date=2024-06-12 |title=Japan's Fertility Rate Drops to New Record Low |url=https://www.nippon.com/en/japan-data/h02015/ |access-date=2024-12-17 |website=nippon.com |language=en}}</ref> In January 2023, Japanese Prime Minister [[Fumio Kishida]] pledged to take urgent steps to tackle the country's declining birth rate, calling it "now or never" for Japan's aging society; he had planned to double the budget for child-related policies by June 2023 and to set up a new government agency in April.<ref>{{Cite web |date=2023-01-23 |title=Japan PM Kishida: it's 'now or never' to stop shrinking population |url=https://www.reuters.com/world/asia-pacific/japan-pm-kishida-its-now-or-never-stop-shrinking-population-2023-01-23/ |access-date=2024-12-17 |website=Reuters}}</ref>

{{Wide image|File:Births and Total fertility rate of Japan.svg|600px|Births and total fertility rate of Japan}}

<gallery widths=300px heights=260px>
File:Number of births by age groups in Japan.svg|Number of births by age groups in Japan
File:Map of East Asia by TFR in 2021.png|Map of East Asia by [[total fertility rate]] (TFR) in 2021. Japan's TFR in 2012 was estimated at 1.41 children per woman, increasing slightly from 1.32 in the 2001–05 period. In 2012, the highest TFR was 1.90, in [[Okinawa Prefecture|Okinawa]], and the lowest was 1.09, in [[Tokyo]]. TFR by [[Prefectures of Japan|prefecture]] for 2000–05, as well as future estimates, have been released.<ref>{{cite web |title=Archived copy |url=http://www.ipss.go.jp/webj-ad/webjournal.files/population/2011_Vol.9/Web%20Journal_Vol.9_01.pdf |url-status=dead |archive-url=https://web.archive.org/web/20120420060214/http://www.ipss.go.jp/webj-ad/WebJournal.files/population/2011_Vol.9/Web%20Journal_Vol.9_01.pdf |archive-date=2012-04-20 |access-date=2012-03-09}}</ref>
File:Total fertility rate of Japan overtime to 2016.svg|TFR of Japan over time to 2016
File:Percentage of birth to unmarried women, selected countries, 1980 and 2007.png|The percentage of births to unmarried women in selected countries, 1980 and 2007.<ref name="non_mar1">{{cite web |date=May 13, 2009 |title=Changing Patterns of Nonmarital Childbearing in the United States |url=https://www.cdc.gov/nchs/data/databriefs/db18.pdf |access-date=July 9, 2022 |work=CDC/National Center for Health Statistics |archive-date=July 22, 2022 |archive-url=https://web.archive.org/web/20220722153939/https://www.cdc.gov/nchs/data/databriefs/db18.pdf |url-status=live }}</ref> As can be seen in the figure, Japan has not followed the trend of other industrialized countries of children born outside of marriage to the same degree.
</gallery>

=== Life expectancy ===
Sources: [[Our World In Data]] and the [[United Nations]].

;1865–1949
{| class="wikitable" style="font-size:95%"
!Years
!1865
!1870
!1875
!1880
!1885
!1890
!1895
!1900
!1905
!1910
!1915
!1920
!1922
!1927
!1935
!1945
!1947
!1948
!1949
!1950<ref>{{Cite web |title=Life expectancy |url=https://ourworldindata.org/grapher/life-expectancy?year=1810 |access-date=2018-08-28 |website=Our World in Data |archive-date=2018-08-29 |archive-url=https://web.archive.org/web/20180829072115/https://ourworldindata.org/grapher/life-expectancy?year=1810 |url-status=live }}</ref>
|-
|Life expectancy in Japan
|36.4
|36.6
|36.8
|37.0
|37.3
|37.7
|38.1
|38.6
|39.2
|40.0
|40.9
|42.0
|42.6
|45.7
|48.2
|30.5
|51.7
|56.8
|57.7
|59.2
|}

;1950–2020
[[File:Life expectancy in Japan.svg|thumb|309px|Life expectancy in Japan since 1865]]
[[File:Life expectancy by WBG -Japan -diff.png|thumb|309px|Life expectancy in Japan since 1960 by gender]]

{| class="wikitable" style="text-align:center"
!Period
!Life expectancy in<br />years
!Period
!Life expectancy in<br />years
|-
|1950–1955
|62.8
|1985–1990
|78.5
|-
|1955–1960
|66.4
|1990–1995
|79.4
|-
|1960–1965
|69.2
|1995–2000
|80.5
|-
|1965–1970
|71.4
|2000–2005
|81.8
|-
|1970–1975
|73.3
|2005–2010
|82.7
|-
|1975–1980
|75.4
|2010–2015
|83.3
|-
|1980–1985
|77.0
|2015–2020
|84.4
|}
Source: ''UN World Population Prospects''
{{Clear}}

=== Marriages and divorce ===
Many Japanese lead a sexless marriage. Japan has the lowest level of couples having sex at 45 times per year, well below the global average of 103 times. With reasons of "tired" and "bored with intercourse" usually given as an answer.<ref>{{Cite web |date=2008-03-30 |title=No sex, thank you ... we're Japanese |url=http://www.theguardian.com/world/2008/mar/30/japan |access-date=2022-06-29 |website=The Guardian |language=en}}</ref> Despite this, Japan ranks as number two globally on the amount spent on pornography, after South Korea.<ref>{{Cite web |date=2018-02-16 |title=The Japanese Porn Industry: 5 Things We Learned at Japan Adult Expo |url=https://www.tokyoweekender.com/2018/02/the-japanese-porn-industry-5-things-we-learned-at-japan-adult-expo/ |access-date=2022-06-29 |website=Tokyo Weekender |language=en-US |archive-date=2022-01-22 |archive-url=https://web.archive.org/web/20220122135259/https://www.tokyoweekender.com/2018/02/the-japanese-porn-industry-5-things-we-learned-at-japan-adult-expo/ |url-status=live }}</ref><ref>{{Cite web |date=2011-02-07 |title=Koreas per capita porn spending highest in world |url=https://www.koreatimes.co.kr/www/nation/2022/06/113_80964.html |access-date=2022-06-29 |website=koreatimes |language=en |archive-date=2022-06-29 |archive-url=https://web.archive.org/web/20220629194825/https://www.koreatimes.co.kr/www/nation/2022/06/113_80964.html |url-status=live }}</ref>

<gallery caption="Marriage and divorce statistics">
File:Marriages in Japan over time.svg|Marriages in Japan over time
File:Marriage rate per 1000 people in Japan.svg|Marriage rate per 1000 people in Japan
File:Average age of first marriage in Japan.svg|Average age of first marriage in Japan
File:Number of divorces in Japan over time.svg|Number of divorces in Japan over time
File:Divorce rates per 1000 of total population in Japan.svg|Divorce rates per 1000 of total population
</gallery>