Editing Border Collie (section)

===Life span===
[[File:Short Haired Border Collie.jpg|thumb|Smooth coated Border Collie. Young female.]]
[[File:Border Collie Macho Blue Tricolour (Brix, Los Baganes Border Collie).jpg|thumb|Tricolour Border Collie. Young male.]]
A 2022 study in England of veterinary records found a life expectancy of 12.1 years, slightly higher than the 11.82 life expectancy for crossbreed dogs.<ref>{{cite journal | last1=Teng | first1=Kendy Tzu-yun | last2=Brodbelt | first2=Dave C. | last3=Pegram | first3=Camilla | last4=Church | first4=David B. | last5=O’Neill | first5=Dan G. | title=Life tables of annual life expectancy and mortality for companion dogs in the United Kingdom | journal=Scientific Reports | publisher=Springer Science and Business Media LLC | volume=12 | issue=1 | date=2022-04-28 | issn=2045-2322 | doi=10.1038/s41598-022-10341-6 | page=6415| pmid=35484374 | pmc=9050668 | bibcode=2022NatSR..12.6415T }}</ref> A 2024 UK study found a life expectancy of 13.1 years for the breed compared to an average of 12.7 for purebreeds and 12 for [[Mongrel|crossbreeds]].<ref>{{cite journal | last1=McMillan | first1=Kirsten M. | last2=Bielby | first2=Jon | last3=Williams | first3=Carys L. | last4=Upjohn | first4=Melissa M. | last5=Casey | first5=Rachel A. | last6=Christley | first6=Robert M. | title=Longevity of companion dog breeds: those at risk from early death | journal=Scientific Reports | publisher=Springer Science and Business Media LLC | volume=14 | issue=1 | date=2024-02-01 | issn=2045-2322 | doi=10.1038/s41598-023-50458-w | page=531| pmid=38302530 | pmc=10834484 | bibcode=2024NatSR..14..531M }}</ref>

Leading causes of death in a 2004 Kennel Club survey were cancer (23.6%), old age (17.9%) and cerebral vascular afflictions (9.4%).<ref name="KCSurvey">{{cite journal | last1=Adams | first1=V. J. | last2=Evans | first2=K. M. | last3=Sampson | first3=J. | last4=Wood | first4=J. L. N. | title=Methods and mortality results of a health survey of purebred dogs in the UK | journal=Journal of Small Animal Practice | volume=51 | issue=10 | date=2010-10-01 | doi=10.1111/j.1748-5827.2010.00974.x | pages=512–524}}</ref>