Research News

2026 2025 2024 2023

Breaking open the piggy bank to win (or not)?

Ranking of the teams worldwide according to the financial results of the transfer operations completed over the current season and last five years
Leer más
Research
11 febrero 2026

World ranking of ball-friendliest teams

CIES Football Observatory presents the ball-friendliest teams in the world thanks to the data exclusively produced by our partner Impect.
Leer más
Research
04 febrero 2026

Transfer value of under-contract academy graduates: Barcelona!

100 teams worldwide whose academy graduates still under contract (in the club or out on loan) total the highest aggregate transfer value.
Leer más
Research
28 enero 2026

Best U22 outfield players compared to teammates

The outfield players not yet having turned 22 who most outperformed their teammates during the current or last completed season in 65 world leagues.
Leer más
Research
21 enero 2026

Top training clubs for big-5 league players

CIES Football Observatory presents the clubs having trained* the highest number of footballers who played in the big-5 during the current season.
Leer más
Research
14 enero 2026

Transfer values: global top 100

Lamine Yamal continues to be the most expensive player in the world according to the CIES Football Observatory’s statistical model.
Leer más
Research
07 enero 2026

Best non-big-5 league players born in 2006 or later

100 players worldwide born in 2006 or later who are not yet playing for a big-5 league club having performed best this year.
Leer más
Research
27 diciembre 2025

Most physically robust outfield players

CIES ranks most physically robust outfield players: Júnior Alonso leads; Vanaken, Otamendi follow. Colombia leads overall stats.
Leer más
Research
17 diciembre 2025

Rising values: highest expected increases

Discover the 169 players whose transfer value is projected to rise most over the next six months.
Leer más
Research
10 diciembre 2025
x