Research News
Clubs’ social media popularity
100 teams in the world with the most subscriptions on the following social networks : X, Instagram, Facebook, TikTok and YouTube.
Transfer values: Yamal takes off
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…
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Most influential players of the season: Salah & co
The 506th CIES Football Observatory Weekly Post presents the most influential footballers of the season in 60 leagues around the world.
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Football expatriates: 100th report!
The top 100 of associations having exported the greatest number of footballers to 135 leagues around the world between 2020 and 2025.
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Top potential capital gains for recent signings
The 504th edition of the Weekly Post presents the 100 players who changed clubs permanently during the last two transfer windows.
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Youth employment: 65 leagues worldwide
Ranking of teams from 65 leagues around the world according to the percentage of domestic league minutes played by footballers aged 21 or under.
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Partnership with Impect: stars in the making
The 502nd Weekly Post presents the best under 20 players from 45 leagues outside the big-5 in terms of Impect PxT.
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Most experienced young players
Thirteen years after the first issue, the CIES Football Observatory research team is very proud to present its 500th Weekly Post !
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Best goalkeepers: Donnarumma leads the way
The 499th Weekly Post presents the 100 best performing goalkeepers in the world over the past year.
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Territorial anchorage: Envigado on the world’s roof
The 498th CIES Football Observatory Weekly Post ranks more than 900 clubs in 55 leagues worldwide according to a territorial anchorage.
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