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Snapshot 7:Wed, Aug 26, 2026 11:07:42 AM GMT last edited by Joshua

UK: Labour Considers Banning First-Cousin Marriage

UK: Labour Considers Banning First-Cousin Marriage

Above: The Ministry of Justice in London, England on April 5, 2026. Image credit: Mike Kemp/In Pictures/Getty Images

The Spin


Banning first-cousin marriage is bad medicine dressed up as policy — 94% of children born to first cousins have no genetic problems, and the absolute risk increase is comparable to factors like obesity or older maternal age. A ban wouldn't save any existing child from harm;, itbut wouldinstead just prevent certainthe peoplebirth fromof beingtargeted born,minority whichdemographics isin textbookthe eugenicsU.K. Better genetic screening and culturally sensitive education are the ethical path forward.

The data on first-cousin marriage is damning: children of first cousins are nearly three times more likely to die by age 10 and 90% more likely to have learning difficulties, yet NHSwe guidanceare triedrepeatedly totold spinthat this as a cultural trade-off worth tolerating. Societies built on prohibitions against kin marriage developed the individualism and openness that define Western success., Allowingand thisits continued practice toin gothe unchallengedU.K. blocksdegrades assimilationits andcultural puts identity politics above children's healthnorms.


Metaculus Prediction

There is a 34% chance that the U.K. will have a Labour prime minister on Jan. 1, 2030, according to the Metaculus prediction community.


Go Deeper

© 2026 Improve the News Foundation. All rights reserved.Version 7.4.1

© 2026 Improve the News Foundation.

All rights reserved.

Version 7.4.1