The 511th CIES Football Observatory Weekly Post analyses the financial results of transfer operations carried out in 2025. In total, clubs around the world invested approximately €14.2 billion, 14% more than the previous record set in 2023. This Post presents the balance sheets for the 121 teams worldwide involved in incoming or outgoing transactions totalling more than €50 million overall.

The 510th Football Observatory’s Weekly Post presents the 200 footballers worldwide who have not yet turned 20 with the best CIES ratings for matches played in 2025. The score is the average of two values : a performance index calculated from the data exclusively collected by our partners Impect, and an experience index taking into account minutes played, weighted by the sporting level of the matches.

Issue number 509 of the CIES Football Observatory Weekly Post ranks the agencies representing Europe’s big-5 league players according to the aggregate transfer value of their clients as per our exclusive statistical model.

The 508th Football Observatory Weekly Post presents the 100 teams in the world with the most subscriptions on the following social networks : X, Instagram, Facebook, TikTok and YouTube. The Spanish side of Real Madrid tops the list with over 470 million subscriptions, just ahead of their great rivals Barcelona (424 million).

Following the extension of his contract until 2031, FC Barcelona’s prodigy Lamine Yamal has become the player with the highest value on the transfer market according to the CIES Football Observatory statistical model : €402.3 million. This extraordinary figure is linked to equally extraordinary performances achieved at an age - 18 in July - when most players, even the best, are just starting out at professional level.

The 506th CIES Football Observatory Weekly Post presents the most influential footballers of the season in 60 leagues around the world. The index used to rank the players is calculated on the basis of their performances in six areas of the game thanks to the data exclusively produced by our partners Impect, the minutes played and the results obtained.