Issue number 181 of the CIES Football Observatory Weekly Post highlights the 100 clubs from 31 top division championships of UEFA member associations having on average fielded the oldest line ups in the domestic league matches played during the last six months. The most represented countries in the rankings are England and Turkey (10 clubs each), followed by Cyprus and Russia (9 teams).

At the top of the table is the Italian side Chievo Verona (32.1 years). The average age on the pitch of five other clubs was higher than 30 years: three from Cyprus (AEK Larnaca, Nea Salamis and Apollon Limassol), one from England (West Bromwich) and one from Greece (Kerkyra). The values per league are freely available online via the CIES Football Observatory Digital Atlas. This tool also allows users to access the data for all clubs in the leagues surveyed.

In addition, the CIES Football Observatory presents the top 100 list of the youngest top division teams from the 31 UEFA member associations taken into account. The most represented country is the Netherlands (12 clubs), followed by Croatia (8), Germany and Slovakia (7 teams each). No English Premier League team is in the top 100 positions. The youngest team overall is the Slovakian side Senica (22.2 years).