Top 20 Non-U.S. Think Tanks

1. 

   Chatham House

   Location: London

   Budget: $12.4 million

   Specialties: International economics, regional studies

2. 

   International Institute for Strategic Studies

   Location: London

   Budget: $15.3 million

   Specialties: Nonproliferation, counterterrorism

3. 

   Stockholm International Peace Research Institute

   Location: Solna, Sweden

   Budget: $5.3 million

   Specialties: Arms control, conflict management

4. 

   Overseas Development Institute

   Location: London

   Budget: $25.9 million

   Specialties: International development, humanitarian issues

5. 

   Centre for European Policy Studies

   Location: Brussels

   Budget: $8.6 million

   Specialty: EU affairs

6. 

   Transparency International

   Location: Berlin

   Budget: $13.3 million

   Specialty: Anticorruption

7. 

   German Council on Foreign Relations

   Location: Berlin

   Budget: $6.4 million

   Specialties: German foreign policy, international relations

8. 

   German Institute for International and Security Affairs

   Location: Berlin

   Budget: $16.4 million

   Specialties: German foreign policy and security

9. 

   French Institute of International Relations

   Location: Paris

   Budget: $8.1 million

   Specialties: Trans-Atlantic relations, European affairs

10. 

    Adam Smith Institute

    Location: London

    Budget: $500,000

    Specialties: Free-market and social policies

11. Fraser Institute (Canada)

12. European Council on Foreign Relations (multiple)

13. Centre for Policy Studies (Britain)

14. Institute of Development Studies (Britain)

15. Centre for Economic Policy Research (Britain)

16. Centre for European Reform (Britain)

17. International Crisis Group (Belgium)

18. International Institute for Democracy and Electoral Assistance (Sweden)

19. Kiel Institute for the World Economy (Germany)

20. Canadian International Council (Canada)