The top 10 most powerful people, according to the magazine:
1. Hu Jintao, president of China
2. Barack Obama, president of the United States.
3. Abdullah bin Abdul Aziz al Saud, the king of Saudi Arabia
4. Vladimir Putin, the prime minister of Russia
5. Pope Benedict XVI
6. Angela Merkel, the chancellor of Germany
7. David Cameron, prime minister of the United Kingdom
8. Ben Bernanke, chairman of the Federal Reserve
9. Sonia Gandhi, president of the Indian National Congress
10. Bill Gates, founder of Microsoft and co-chair of the Bill and Melinda Gates Foundation.