The 533rd CIES Football Observatory Weekly Post presents the outfield players who have not yet turned 21 and are playing outside Europe’s big-5 having performed best over the past year, based on a score out of 100 calculated from their statistics across eight game areas (Impect data), the number of official minutes played, and the competitive level of these matches.
Weekly Post 552
Costliest squads: Liverpool takes the lead
The 552nd CIES Football Observatory Weekly Post ranks the teams worldwide having invested the most on transfer fees (including add-ons, regardless of effective payment) to sign the players currently in their squads. Liverpool FC (€1.226 billion) has moved up three places compared with the same date last year and now tops the table, replacing Chelsea FC.
Weekly Post 551
Top development clubs worldwide
The first CIES Football Observatory Weekly Post for what promises to be an exciting new season ranks teams from 50 top division leagues around the world according to the percentage of domestic league minutes in 2026 by players who had not yet turned 21 at the time of the matches.
Weekly Post 550
Top-valued teams: three main favourites
Based on the estimated transfer values* of the selected players, three national teams look like the main favourites to win the 2026 World Cup. England top the ranking with a total squad value of €1.454 billion. They are followed by France (€1.436 billion) and Spain (€1.407 billion).
Weekly Post 549
Most expensive players: Yamal in a league of his own
The 549th Weekly Post presents the 100 players in the world with the highest estimated transfer value, as calculated from the CIES Football Observatory’s statistical model. FC Barcelona’s young Spanish prodigy, Lamine Yamal, crushes the competition with a valuation of €358 million. Ahead of Manchester City’s Norwegian striker Erling Haaland (€227 million).
Weekly Post 548
Most popular clubs on social media
The 548th Weekly Post from the CIES Football Observatory ranks clubs worldwide according to their number of followers on the main social media platforms (Facebook, Instagram, TikTok, YouTube et X). Two clubs stand out : Real Madrid (488 million followers) et Barcelona (442 million). England’s Manchester United complete the top three (239 million), ahead of Paris Saint-Germain (208 million).
Weekly Post 547
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. The selection was made by taking into account players’ performances (eight game areas for outfield players and the difference between goals expected goals and conceded for goalkeepers ; Impect data), the results of matches in which players’ participated, and playing time.
Weekly Post 546
Player exports: Brazil ahead of France
The 546th CIES Football Observatory Weekly Post presents the 50 nations worldwide with the highest number of expatriates currently playing in 135 professional leagues across the globe. As last year, Brazil remains the leading exporter (1,455 players abroad, +37), but is being hotly pursued by France (1,275, +86), with reigning world champions Argentina in third place (1,016, +27).
Weekly Post 545
Two-thirds of coaches in the job for less than a year
The 545th CIES Football Observatory Weekly Post shows that 65.2% of teams across 55 leagues worldwide have changed their head coach at least once over the past year. This proportion is close to that recorded on the same date last year (see here). This finding reflects chronic instability in most clubs.
Weekly Post 544
Highest-rated young goalkeepers
The 544th Weekly Post lists the 100 goalkeepers who did not yet turn 23 with the highest estimated transfer value, as calculated using the CIES Football Observatory statistical model. Topping the list with a value of €47 million is Mike Penders, the Belgian goalkeeper on loan from Chelsea to RC Strasbourg.
Weekly Post 543
Most powerful football agencies: global ranking
The 543rd CIES Football Observatory Weekly Post presents the world’s most powerful football agencies. The ranking is based on the aggregate transfer value of the players represented by the companies or for whom the latter hold transfer negotiation rights, according to publicly available information.
Weekly Post 542
Top U23 outfield players: 67 leagues
The 542nd CIES Football Observatory Weekly Post presents the U23 outfield players currently active in 67 leagues worldwide who have performed best over the last six months. The rankings have been compiled based on players’ performances across eight game areas (Impect data), the sporting level of matches played, results and playing time.













