The CIES Football Observatory is proud to disclose the brand new version of its exclusive Digital Atlas on the composition of squads in 31 top division leagues of UEFA member associations. All the data is available for free.

The Digital Atlas allows football passionate to compare the profile of teams throughout Europe according to six indicators: age, height, stability, expatriates, club-trained players and turnover. The data refers to domestic league matches played during the last six months. It will be updated on a monthly basis.

The CIES Football Observatory website also presents the rankings of the European top division clubs having on average fielded the youngest players, the most stable line-ups and the most club-trained footballers. For more information, please contact us at football.observatory@cies.ch

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Brazil tops the list of countries with the most expatriates in 31 top division championships of UEFA member associations. France heads the table at big-5 league level. All data is available in issue number 167 of the CIES Football Observatory Weekly Post.

In total, 469 Brazilians are currently playing in the 31 leagues surveyed. France is the second biggest exporting country (312 players). Another nation with a very competitive training system ranks third: Spain (201 players). Two other associations have more than 150 expatriate footballers in the 31 top division championships analysed: Serbia (189 players) and Argentina (168).

Issue number 167 of the CIES Football Observatory Weekly Post also presents the rankings of associations exporting the most players to the five major European championships. France (116 players) outranks Brazil (114), Argentina (97), Spain (66), Belgium (48) and Switzerland (48). All these countries are in a favourable position to assemble very competitive national team squads.

Issue number 166 of the CIES Football Observatory Weekly Post ranks European teams according to the average age of line-ups fielded in domestic league matches since July 1st 2016. Danish side Nordsjælland heads the table at the level of 31 top division European leagues (22.1 years), while Toulouse tops the big-5 league rankings (23.4 years).

Based in Farum, 20 km from Copenhagen, Nordsjælland was recently bought by a group of investors also involved in the running of a football academy in Ghana, Right to Dream. They are currently ranked 8th in the Danish Superliga. In the top three of the European rankings also are Lokomotiva Zagreb (CRO) and Senica (SVK).

In the top eleven positions of the big-5 league rankings are only French and German clubs. Among them notably are the two clubs currently heading the Ligue 1 and Bundesliga tables: OGC Nice (2nd) and RB Leipzig (4th). The youngest Italian team, Milan AC, is 12th. Two English Premier League clubs are in the top 20 positions of the rankings: Tottenham (15th) and Liverpool (18th).

Henceforth, the rankings will be updated every month by taking into account domestic league matches played during the six previous months. The data for the 100 top-ranked clubs at European level and the figures for all big-5 league teams are already available on the CIES Football Observatory website. Please spread the word!

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The CIES Football Observatory is happy in announcing the launching of its official Twitter account. @CIES_Football will allow us to share with our followers some exclusive information related to our three main research areas: football players’ labour market, transfer value estimates and technical analysis of player performance.

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Issue number 165 of the CIES Football Observatory Weekly Post analyses the stability of squads in 31 top division leagues of UEFA member associations. The championships surveyed are compared according to the percentage of players who joined the first team squad of their employer team after January 1st 2016.

The record high for new players per club was recorded in Bulgaria: 64% of squad members. At the opposite end of the table, the Austrian top division is the only league where the proportion of players present in the first team squad since less than one year is lower than one third: 31%. At big-5 league level, the figures vary between 36% in Germany and 45% in both Spain and Italy.

Southern and Eastern European leagues are over-represented among those with the most unstable squads. In eleven championships, more than half of players joined the first team squad of their employer club since less than one year. Among these leagues notably are the Portuguese (56% of new players) and Turkish ones (53%).

See also Monthly Report n° 19, Demographic Study of football in Europe

Join us on Twitter: CIES_Football

The presence of club-trained footballers greatly varies throughout Europe. Issue number 164 of the CIES Football Observatory Weekly Post ranks 31 top division championships of UEFA member associations according to the percentage of club-trained players in squads.

In three countries, footballers who have been for at least three seasons between 15 and 21 years of age in their employer club account for less than 10% of squad members: Turkey (6.9%), Portugal (9.6%) and Cyprus (9.6%). At the opposite end of the table, the percentage of club-trained players is over 30% in Slovakia (31.5%) and Ukraine (30.6%).

The lowest proportion among big-5 leagues was recorded in the English Premier League: 10.0%. Since 2012, this percentage has steadily decreased to reach a record low in the current season. Conversely, in the Spanish Liga, club-trained footballers account for almost one quarter of squads: 24.1%. The multiple trophies won by Spanish clubs in European club competitions suggest that the ability to field top level players from the youth academy provides a competitive advantage over rivals.

See also Monthly Report n° 19, Demographic Study of football in Europe

Join us on Twitter: @CIES_Football