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
View all →Major international organizations and alliances
EU
27 countriesEuropean Union
EuropeUNGA
G20
20 countriesG20
AsiaAfricaEuropeLatin America and the CaribbeanOceania
BRICS
5 countriesBRICS
AfricaAsia
OECD
37 countriesThe Organisation for Economic Co-operation and Development
EuropeAsiaLatin America and the CaribbeanNorth AmericaOceania
NATO
28 countriesNorth Atlantic Treaty Organization
EuropeNorth AmericaPeace and Security
UN
193 countriesUnited Nations
UNGA
ASEAN
10 countriesAssociation of Southeast Asian Nations
UNGA
AU
55 countriesAfrican Union
UNGAAfrica
MERCOSUR
4 countriesSouthern Common Market
Latin America and the Caribbean