Research News
Player trading champions: Eintracht at the top
The world’s smartest clubs on the transfer market since January 2021 in terms of the financial balance sheets of players recruited as professionals.
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2025 Migration Report highlights ongoing surge in International Transfers
FIBA/CIES 2025 report shows global basketball transfers surging to 13,555, setting new records in men’s and women’s moves.
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Best development leagues for young domestic players
The 522nd CIES Football Observatory Weekly Post ranks 50 top divisions worldwide according to the percentage of minutes played.
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Projected merit-based salary: Mbappé!
The 521st CIES Football Observatory Weekly Post presents the 100 players in the world who should earn the highest salaries.
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Table ronde: «Football et littérature» (held in French)
CIES, in collaboration with the Centre Dürrenmatt Neuchâtel (CDN), co-organised a round table titled “Football and Literature” on 8 November 2025 at…
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Top valued teenagers: Yamal & co
The 520th CIES Football Observatory Weekly Post presents the players who have not yet celebrated their 20th birthday with the highest transfer value.
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International training product: France at the top
CIES Football Observatory presents the 50 nations whose clubs have generated the most revenue over the last ten years from the international transfer…
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Best football academies: Benfica at the top
As every year, the CIES Football Observatory has identified the clubs having trained* the players currently active in 49 leagues around the world.
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Best players of the last semester: eight areas
Thanks to the collaboration with Impect, the CIES Football Observatory has developed performance indices on a 100 basis in eight areas of play.
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