Research News

2026 2025 2024 2023

Most expensive players: Yamal in a league of his own

100 players in the world with the highest estimated transfer value, as calculated from the CIES Football Observatory’s statistical model.
Leer más
Research
03 junio 2026

Most popular clubs on social media

Clubs worldwide according to their number of followers on the main social media platforms (Facebook, Instagram, TikTok, YouTube and X).
Leer más
Research
27 mayo 2026

Best XIs of the season: 34 leagues

The 547th CIES Football Observatory Weekly Post presents the Team of the Season (4-2-1-3) for 34 leagues reaching their conclusion.
Leer más
Research
20 mayo 2026

Player exports: Brazil ahead of France

50 nations worldwide with the highest number of expatriates* currently playing in 135 professional leagues across the globe.
Leer más
Research
14 mayo 2026

Two-thirds of coaches in the job for less than a year

65.2% of teams across 55 leagues worldwide have changed their head coach at least once over the past year.
Leer más
Research
06 mayo 2026

Highest-rated young goalkeepers

100 goalkeepers who did not yet turn 23 with the highest estimated transfer value calculated using the CIES Football Observatory statistical model.
Leer más
Research
29 abril 2026

Most powerful football agencies: global ranking

The ranking is based on the aggregate transfer value of the players represented by the companies or for whom hold transfer negotiation.
Leer más
Research
24 abril 2026

Top U23 outfield players: 67 leagues

U23 outfield players currently active in 67 leagues worldwide who have performed best over the last six months.
Leer más
Research
15 abril 2026

Top development clubs: use of U21 players

Clubs currently competing in 50 top divisions worldwide where footballers who had not yet turned 21 have played the highest percentage of minutes.
Leer más
Research
08 abril 2026
x