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Principles, countries, history

Principles and values

The common principles and values that underlie life in the EU: freedom, democracy, equality and the rule of law, promoting peace and stability.

Key facts and figures

Statistics on EU countries and populations, economy and employment, transport and energy and the EU institutions.

Country profiles

Information on EU countries, government and society, countries using the euro, members of border-free travel area.

History of the EU

The major events in the history of the EU, how the EU has developed over the decades, the men and women who have played a key role in the EU.


The symbols that convey the EU and its values: the EU flag, anthem and motto, Europe Day.


Learn about the 24 EU official languages, EU minority languages, and EU language learning programmes.

Joining the EU

Becoming a member of the EU is a complex procedure which does not happen overnight. Once an applicant country meets the conditions for membership.