Bloc overlap
Which countries belong to which groupings, and where groupings share members.
Source: Membership: the groupings’ own member listsMembers as of 10 Nov 2026
G20: 19 countries, plus the European Union and, since 2023, the African Union. G7: 7 countries, with the European Union taking part as a non-enumerated member since 1977. BRICS: 11 members, including Saudi Arabia, which has not confirmed it. Only countries are counted here. Partners and observers are not counted.
Shared members
NATO and the EU share 23 members; the G7 and the G20 share 7 members.
| Bloc | NATO | EU | G7 | G20 | BRICS | SCO | ASEAN | OPEC | Quad |
|---|---|---|---|---|---|---|---|---|---|
| NATO | 32members | 23 | 6 | 7 | – | – | – | – | 1 |
| EU | 23 | 27members | 3 | 3 | – | – | – | – | – |
| G7 | 6 | 3 | 7members | 7 | – | – | – | – | 2 |
| G20 | 7 | 3 | 7 | 19members | 7 | 3 | 1 | 1 | 4 |
| BRICS | – | – | – | 7 | 11members | 4 | 1 | 2 | 1 |
| SCO | – | – | – | 3 | 4 | 10members | – | 1 | 1 |
| ASEAN | – | – | – | 1 | 1 | – | 11members | – | – |
| OPEC | – | – | – | 1 | 2 | 1 | – | 11members | – |
| Quad | 1 | – | 2 | 4 | 1 | 1 | – | – | 4members |
Number of countries that belong to both blocs. Diagonal: bloc size. Darker cells share more members; every cell shows its number.
BRICS and the SCO share 4 members.
In both 4
Only BRICS 7
Only SCO 6
Bridge countries
India is the only country that is a full member of groupings on both sides: the Quad on one, BRICS and the SCO on the other.
One side is NATO, the EU, the G7 and the Quad; the other is BRICS and the SCO. Full members only. Membership of other groupings, the G20, ASEAN and OPEC among them, is not counted here.
- IndiaQuadBRICS · SCO
Partners and invitees, not counted as members
Source: Membership: the groupings’ own member listsMembers as of 10 Nov 2026
Full membership table
Member: NATO, EU, G7 or QuadMember: BRICS or SCOMember: G20, ASEAN or OPECNot a member
| NATO | EU | G7 | G20 | BRICS | SCO | ASEAN | OPEC | Quad | ||
|---|---|---|---|---|---|---|---|---|---|---|
| France | · | · | · | · | · | 4 | ||||
| Germany | · | · | · | · | · | 4 | ||||
| India | · | · | · | · | · | 4 | ||||
| Italy | · | · | · | · | · | 4 | ||||
| United States | · | · | · | · | · | 4 | ||||
| Canada | · | · | · | · | · | · | 3 | |||
| China | · | · | · | · | · | · | 3 | |||
| Indonesia | · | · | · | · | · | · | 3 | |||
| Iran | · | · | · | · | · | · | 3 | |||
| Japan | · | · | · | · | · | · | 3 | |||
| Russia | · | · | · | · | · | · | 3 | |||
| Saudi Arabia | · | · | · | · | · | · | 3 | |||
| United Kingdom | · | · | · | · | · | · | 3 | |||
| Australia | · | · | · | · | · | · | · | 2 | ||
| Belgium | · | · | · | · | · | · | · | 2 | ||
| Brazil | · | · | · | · | · | · | · | 2 | ||
| Bulgaria | · | · | · | · | · | · | · | 2 | ||
| Croatia | · | · | · | · | · | · | · | 2 | ||
| Czechia | · | · | · | · | · | · | · | 2 | ||
| Denmark | · | · | · | · | · | · | · | 2 | ||
| Estonia | · | · | · | · | · | · | · | 2 | ||
| Finland | · | · | · | · | · | · | · | 2 | ||
| Greece | · | · | · | · | · | · | · | 2 | ||
| Hungary | · | · | · | · | · | · | · | 2 | ||
| Latvia | · | · | · | · | · | · | · | 2 | ||
| Lithuania | · | · | · | · | · | · | · | 2 | ||
| Luxembourg | · | · | · | · | · | · | · | 2 | ||
| Netherlands | · | · | · | · | · | · | · | 2 | ||
| Poland | · | · | · | · | · | · | · | 2 | ||
| Portugal | · | · | · | · | · | · | · | 2 | ||
| Romania | · | · | · | · | · | · | · | 2 | ||
| Slovakia | · | · | · | · | · | · | · | 2 | ||
| Slovenia | · | · | · | · | · | · | · | 2 | ||
| South Africa | · | · | · | · | · | · | · | 2 | ||
| Spain | · | · | · | · | · | · | · | 2 | ||
| Sweden | · | · | · | · | · | · | · | 2 | ||
| Türkiye | · | · | · | · | · | · | · | 2 | ||
| Albania | · | · | · | · | · | · | · | · | 1 | |
| Algeria | · | · | · | · | · | · | · | · | 1 | |
| Argentina | · | · | · | · | · | · | · | · | 1 | |
| Austria | · | · | · | · | · | · | · | · | 1 | |
| Belarus | · | · | · | · | · | · | · | · | 1 | |
| Brunei | · | · | · | · | · | · | · | · | 1 | |
| Cambodia | · | · | · | · | · | · | · | · | 1 | |
| Cyprus | · | · | · | · | · | · | · | · | 1 | |
| Egypt | · | · | · | · | · | · | · | · | 1 | |
| Equatorial Guinea | · | · | · | · | · | · | · | · | 1 | |
| Ethiopia | · | · | · | · | · | · | · | · | 1 | |
| Gabon | · | · | · | · | · | · | · | · | 1 | |
| Iceland | · | · | · | · | · | · | · | · | 1 | |
| Iraq | · | · | · | · | · | · | · | · | 1 | |
| Ireland | · | · | · | · | · | · | · | · | 1 | |
| Kazakhstan | · | · | · | · | · | · | · | · | 1 | |
| Kuwait | · | · | · | · | · | · | · | · | 1 | |
| Kyrgyzstan | · | · | · | · | · | · | · | · | 1 | |
| Laos | · | · | · | · | · | · | · | · | 1 | |
| Libya | · | · | · | · | · | · | · | · | 1 | |
| Malaysia | · | · | · | · | · | · | · | · | 1 | |
| Malta | · | · | · | · | · | · | · | · | 1 | |
| Mexico | · | · | · | · | · | · | · | · | 1 | |
| Montenegro | · | · | · | · | · | · | · | · | 1 | |
| Myanmar | · | · | · | · | · | · | · | · | 1 | |
| Nigeria | · | · | · | · | · | · | · | · | 1 | |
| North Macedonia | · | · | · | · | · | · | · | · | 1 | |
| Norway | · | · | · | · | · | · | · | · | 1 | |
| Pakistan | · | · | · | · | · | · | · | · | 1 | |
| Philippines | · | · | · | · | · | · | · | · | 1 | |
| Republic of the Congo | · | · | · | · | · | · | · | · | 1 | |
| Singapore | · | · | · | · | · | · | · | · | 1 | |
| South Korea | · | · | · | · | · | · | · | · | 1 | |
| Tajikistan | · | · | · | · | · | · | · | · | 1 | |
| Thailand | · | · | · | · | · | · | · | · | 1 | |
| Timor-Leste | · | · | · | · | · | · | · | · | 1 | |
| United Arab Emirates | · | · | · | · | · | · | · | · | 1 | |
| Uzbekistan | · | · | · | · | · | · | · | · | 1 | |
| Venezuela | · | · | · | · | · | · | · | · | 1 | |
| Vietnam | · | · | · | · | · | · | · | · | 1 |
Shapes differ by bloc group, so the table reads without colour. Sorted by number of memberships.
All memberships
Member: BRICS or SCOMember: G20 or OPECNot a member
| BRICS | SCO | G20 | OPEC | ||
|---|---|---|---|---|---|
| China | · | 3 | |||
| India | · | 3 | |||
| Iran | · | 3 | |||
| Russia | · | 3 | |||
| Saudi Arabia | · | 3 | |||
| Brazil | · | · | 2 | ||
| Indonesia | · | · | 2 | ||
| South Africa | · | · | 2 | ||
| Algeria | · | · | · | 1 | |
| Argentina | · | · | · | 1 | |
| Australia | · | · | · | 1 | |
| Belarus | · | · | · | 1 | |
| Canada | · | · | · | 1 | |
| Egypt | · | · | · | 1 |
Shapes differ by bloc group, so the table reads without colour. Sorted by number of memberships.
24 more countries in these blocs.
Source: Membership: the groupings’ own member listsMembers as of 10 Nov 2026