A reference for international country groupings

Explore 90 groups — from the EU and G20 to BRICS, OECD, NATO and beyond. Membership data, GDP, population, and CO2 emissions.

90
Groups
232
Countries

Featured Groups

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Major international organizations and alliances

EU

27 countries

European Union

EuropeUNGA

G20

20 countries

G20

AsiaAfricaEuropeLatin America and the CaribbeanOceania

BRICS

5 countries

BRICS

AfricaAsia

OECD

37 countries

The Organisation for Economic Co-operation and Development

EuropeAsiaLatin America and the CaribbeanNorth AmericaOceania

NATO

28 countries

North Atlantic Treaty Organization

EuropeNorth AmericaPeace and Security

UN

193 countries

United Nations

UNGA

ASEAN

10 countries

Association of Southeast Asian Nations

UNGA

AU

55 countries

African Union

UNGAAfrica

MERCOSUR

4 countries

Southern Common Market

Latin America and the Caribbean