Alliance & Treaty Finder
See who's allied with who, which blocs a country belongs to, and how alliances have shifted over time.
NATO
MilitaryNorth Atlantic Treaty Organization · Founded 1949
32
members
The most powerful military alliance in history, bringing together 32 countries under a collective defense pact. An attack on one member is treated as an attack on all.
BRICS
EconomicBrazil, Russia, India, China, South Africa · Founded 2009
10
members
An economic bloc representing the world's leading emerging economies. Expanded in 2024 to include five new members as a counterweight to G7 dominance.
G7
PoliticalGroup of 7 · Founded 1975
7
members
An informal bloc of the world's seven largest advanced economies, accounting for about 40% of global GDP. Coordinates on economic and foreign policy.
G20
EconomicGroup of 20 · Founded 1999
20
members
The premier forum for international economic cooperation, representing 85% of global GDP and two-thirds of the world's population.
SCO
PoliticalShanghai Cooperation Organisation · Founded 2001
10
members
A Eurasian political, economic, and security organization often seen as a counterbalance to Western alliances. Covers 40% of humanity.
ASEAN
RegionalAssociation of Southeast Asian Nations · Founded 1967
10
members
Southeast Asia's primary regional forum for economic integration, political cooperation, and security dialogue.