During their career, the players in the census took part in, on average, 114 championship matches in professional leagues in Europe. With more than 700 matches to his name, Graham Alexander (Burnley, ENG) is the most experienced footballer. Top league clubs employ footballers who have on average played many more matches as professionals compared to their counterparts in teams from the lower leagues. There is a strong correlation between the percentage of footballers having played more than 200 matches in professional championships of UEFA member countries and the sporting and economic level of leagues.