EC 6 (1957/1958)
EC 9 (1973)
EC 10 (1981)
EC 12 (1986)
EC 12 (1990)
EU 12 (1992/93)
EU 15 (1995)
Eurozone (1999/2002)
EU 25 (2004)
EU 27 (2007)
EU 27 (inc. Kosovo)
EU 27 as a single entity
EU 27 as a single entity (world)
EU 27 on a globe
Candidate countries
Further enlargement