The Demographic Atlas is an exclusive tool developed by the CIES Football Observatory allowing anyone to compare the squad make-up of teams in 31 top division leagues of UEFA member associations. All indicators are weighted according to minutes played by footballers in domestic league matches since the start of the current season. The definitions are presented within the tool.

The Atlas of migration is an exclusive tool of the CIES Football Observatory mapping the international flows of footballers. The sample includes the players from 147 leagues worldwide who grew up in a different association from that of the club of employment and who migrated abroad within the framework of their career.