Football Ajax produce most among 31 European championships

While Ajax are the club that produces most players from their youth system with 71 who play in the 31 main European leagues, Real Madrid have the most players in the five 'big' leagues, with 41.

The study, by CIES, takes into account the players who have been at a club for at least three seasons between the ages of 15 and 21, in the 31 major national league championships throughout Europe.

In all of them, according to this study, the best European academy is Ajax who are followed by Dinamo Zagreb (67 players), Partizan Belgrade (61) and Real Madrid (58). In this classification, Barcelona (50) hold the eleventh spot.

In relation to the five 'big' leagues (England, Germany, Spain, Italy, France), the European football academy that produces most players is Real Madrid, with 41, Athletic Club (29), Manchester United (28), Inter and Real Sociedad (23), Rennes, AC Milan and Valencia (22).