Editing Census tract (section)

===United Kingdom===
{{See also|ONS coding system}}
British census tracts were first developed in the city of [[Oxford]]. The Inter-University Census Tract Committee was formed in 1955<ref name="Longley">{{cite book|last=Longley|first=Paul|author2=Clarke, Graham|title=GIS for Business and Service Planning|publisher=John Wiley & Sons|location=New York|year=1996|pages=[https://archive.org/details/gisforbusinessse0000unse/page/80 80–81]|isbn=0-470-23510-1|url=https://archive.org/details/gisforbusinessse0000unse/page/80}}</ref> and Oxford was divided into 48 tracts with an average population of 2,645 each.<ref name="Robson">{{cite book|last=Robson|first=Brian Turnbull|title=Urban Analysis: A Study of City Structure with Special Reference to Sunderland|publisher=Cambridge University Press|location=Cambridge|year=1969|pages=[https://archive.org/details/urbananalysisstu0000robs/page/44 44]|isbn=0-521-07272-7|url-access=registration|url=https://archive.org/details/urbananalysisstu0000robs/page/44}}</ref> The [[Registrar General]], however, opted for enumeration districts containing less than 1,000 people on average, rather than adopting census tracts.<ref name="Longley"/> While tracts composed of enumeration districts were later developed, these were not extensively used.<ref name="Exeter">{{cite journal|last=Exeter|first=Daniel J.|author2=Boyle, Paul|author3=Feng, Zhiqiang|author4=Flowerdew, Robin|author5=Schierloh, Nick|year=2005|journal=Population Trends|volume=119|pages=28–36|title=The creation of 'Consistent Areas Through Time' (CATTs) in Scotland, 1981–2001|url=http://www.statistics.gov.uk/articles/population_trends/PT119TheCreationofConsistent.pdf|access-date=2009-10-25|archive-url=https://web.archive.org/web/20110605092702/http://www.statistics.gov.uk/articles/population_trends/PT119TheCreationofConsistent.pdf|archive-date=2011-06-05|url-status=dead}}</ref> Census tracts have, however, been constructed and used by British demographers.<ref>{{cite web|url=http://sasi.group.shef.ac.uk/tracts/|title=Tracts – Information page|publisher=Social and Spatial Inequalities Group, Department of Geography, [[University of Sheffield]]|access-date=2009-10-25|archive-url=https://web.archive.org/web/20090225185636/http://sasi.group.shef.ac.uk/tracts/|archive-date=2009-02-25|url-status=dead}}</ref> The [[Office for National Statistics]] now uses enumeration districts only for the collection of data, with output areas used as the base unit in census releases.<ref name="ONS">{{cite web|url=http://www.statistics.gov.uk/geography/census_geog.asp |title=Beginners' guide to UK geography: Census geography |date=2007-10-30 |publisher=Office for National Statistics |access-date=2009-10-25 |url-status=dead |archive-url=https://web.archive.org/web/20110604093106/http://www.statistics.gov.uk/geography/census_geog.asp |archive-date=2011-06-04 }}</ref>