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Most professional soccer players by country (2019)
Football players’ production index: measuring nations’ contributions
By: Drs Raffaele Poli, Loïc Ravenel and Roger Besson
View details at CIES Football Observatory
The 55th Monthly Report of the CIES Football Observatory analyses the contribution of national associations worldwide from the point of view of the production of professional players. To do so, we have traced the association of origin of 55,865 footballers having played during the 2019 calendar year in 132 top or second division leagues from 93 countries covering all continents.
Source: 55th Monthly Report of the CIES Football Observatory55th Monthly Report of the CIES Football Observatory
I wonder how the data categorizes players with multiple nationalities. (Diego Costa, Jorginho, etc.)