Top 10 International Alliances

1 NATO

2 European Union

3 ADB (Asian Development Bank)

4 African Union

5 Arab League

6 BRICS

7 GIS (Commonwealth of Independent States)

8 Latin Union

9 GCC (Gulf Cooperation Council)

10 UNESCO

The Contenders

11 Commonwealth of Nations

12 UN (United Nations)

13 G8 (Group of Eight)

14 WTO (World Trade Organization)

15 OIC (Organization of Islamic Cooperation)

16 USAN (Union of South American Nations)

17 Organization of Turkic States

18 Visegrád Group

19 CELAC (Community of Latin American and Caribbean States)

20 OECD

21 G20 (Developing Nations)

22 G20 (Group of Twenty)

23 G33 (Forum for Developing Countries)

24 G7 Plus (Group of Fragile States)

25 Mashreq