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Monthly Report 36

Demographic analysis of five major women’s football leagues

The 36th CIES Football Observatory Monthly Report analyses the composition of squads in five major women’s leagues: four European (Germany, Sweden, France and England), as well as the Women’s National Soccer League in the United States. The study notably highlights the increases in the average age of players. The number of expatriate footballers goes also up both on the pitch and in squads.

Monthly Report 35

World football expatriates: global study 2018

The 35th edition of the CIES Football Observatory Monthly Report analyses the presence of expatriate players in the world. The sample is composed of 12,425 expatriate footballers present on the 1st of May 2018 in 2,235 teams from 142 leagues of 93 national associations. Brazil is the most represented country (1,236 expatriates), followed by France (821) and Argentina (760). The nationals from these three associations make up 22.7% of the total number of expatriates.

Monthly Report 34

The importance of squad stability: evidence from European football


The first CIES Football Observatory Monthly Report published in January 2015 studied club stability across Europe. Three years later, the thirty-fourth edition develops this issue by illustrating the value of long-term planning for football clubs. The indicator selected is the percentage of players recruited by their employer club since less than one year.

Monthly Report 33

A comparative analysis of club-trained players in Europe

The analysis of the presence of club-trained players in squads across Europe is particularly interesting when it comes to comparing football cultures and strategies on an international level. The report covers first team squad members of clubs from 31 top division European leagues. It relies on the annual census carried out by the CIES Football Observatory on the 1st of October of every year since 2009.

Monthly Report 32

Is there an optimum squad age to win in football?

The demographic analysis of squads is a key research area of the CIES Football Observatory. The 32nd edition of the Monthly Report analyses the age structure of teams in 31 top division European leagues. This allows us to show discrepancies on an international level, while also investigating the links between the age structure of teams and success.

Monthly Report 31

The transfer of footballers: a network analysis

The 31st CIES Football Observatory Monthly Report analyses transfer networks from different angles. Firstly, it studies the destinations of expatriates from the three main exporting countries: Brazil, Argentina and France. It then analyses from a historical perspective the recruitment areas of big-5 league teams. The same study is carried out at club level for Real Madrid, Manchester United, AS Rome, Bayern Munich and Paris St-Germain.

Monthly Report 30

2018 FIFA World Cup™: profile of qualified teams


The thirtieth Monthly Report of the CIES Football Observatory analyses the profile of the 32 teams that have qualified for the final phase of the 2018 FIFA World Cup™. The study covers the thematics of age, height, country of birth and employer association of players fielded by each squad during the qualifying matches.

Monthly Report 29

Demographic study of European football (2009-2017)

This Monthly Report analyses the evolution of the demographics of the European football players’ labour market since 2009. The study covers the thematics of training (club-trained players), internationalisation (expatriate footballers) and stability (players recruited during the year). The statistical indicators that have been reviewed allow to compare policies pursued by clubs in composing their squads on both a temporal and spatial level.

Monthly Report 28

Performance and playing styles in 35 European football leagues

The analysis of pitch performances at both individual and collective level is one of the three principle fields of research of the CIES Football Observatory. The 28th edition of our Monthly Report compares 35 national competitions across Europe using the database made available by the InStat company. The sample comprises 19,544 matches played between the 1st September 2015 and the 31st August 2017.

Monthly Report 27

Transfer market analysis: tracking the money (2010-2017)

The study of the transfer market constitutes one of the key areas of research of the CIES Football Observatory. This report analyses the paying fee transfers having taken place since 2010 which involved teams of the five major European championships: the English Premier League, the Spanish Liga, the German Bundesliga, the Italian Serie A and the French Ligue 1.

Monthly Report 26

Women’s football analysis : a comparison of five major leagues


Women’s football is currently undergoing a welcome development. At the elite level, the process of professionalisation is well underway in several countries worldwide. Following in the footsteps of the CIES Football Observatory studies, this report analyses the composition of squads in five of the world’s most developed leagues (Frauen Bundesliga, Damallsvenskan, Division 1 féminine, Women’s Super League and National Women’s Soccer League). The study investigates the criteria of age, origin and international status of players.

Monthly Report 25

World expatriate footballers


The 25th edition of the CIES Football Observatory Monthly Report analyses the presence of expatriate footballers in 137 leagues of 93 national associations worldwide. In total, 174 national associations have at least one representative active abroad in a club included in the sample. Brazil is the most represented country in absolute terms (1,202 expatriates), followed by France (781) and Argentina (753).

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