The information utilized successful this investigation covers the 536 players who person been selected for England, Scotland, Wales and Northern Ireland squads astatine men's World Cups since 1950.
This includes each players successful squad lists submitted to FIFA earlier each World Cup. In immoderate cases, peculiarly successful the 1950s and 1960s, reserve players did not question to the tournament.
World Cup squad lists and subordinate stats were initially gathered from the Fjelstul World Cup Database, external and past checked against different sources specified arsenic FIFA and nationalist Football Associations.
Players' birthplaces are based connected wherever they were calved (if known), oregon alternatively wherever they grew up.
Facts astir 2026 squad members are drawn from past media interviews with the players, oregon radical connected to them oregon their section area.
Player photos wherever disposable are taken from Getty Images.
Some players were calved overseas but moved to the UK arsenic children, successful which lawsuit their birthplace is listed arsenic their UK puerility home.
Six players – England's Owen Hargreaves, Graeme Le Saux and Tony Dorigo, positive Scotland's Lyndon Dykes, Richard Gough and John Hewie – spent their full childhoods overseas and are excluded from the analysis.
Reporting by Phil Leake, Yazmina Garcia, Libby Rogers, Deirdre Finnerty, Marie Jackson and Lauren Woodhead. Design by Jess Carr.
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