Forbes' rankings come from the Association of Foreign Investors in Real Estate, a research association that tracks where member investors are finding the best opportunities around the world. Its 200 members, who collectively hold $700 billion in real estate, have provided the following list of cities worldwide with the best investment opportunities:
1. Washington
2. London
3. New York
4. Tokyo
5. Shangai
6. San Francisco
7. Los Angeles
8. Paris
9. Houston (from 32nd last year)
10. Sinapore
Read more here.