Countries with the Highest Biological Diversity (in descending order):

Countries with the Highest Biological Diversity (in descending order):

1. Brazil

2. Colombia

3. Indonesia

4. China

5. Mexico

6. South Africa

7. Venezuela

8. Ecuador

9. Peru

10. United States

11. Papua New Guinea

12. India

13. Australia

14. Malaysia

15. Madagascar

16. Democratic Republic of Congo (Zaire)

17. the Philippines

Counting Hawaii as part of the US, sixteen of the seventeen most biodiverse counties on earth have tropical rainforests.