1. Chancellor, 57, Germany

2. Secretary of State, 63, United States

3. President, 63, Brazil

4. Chief Executive, PepsiCo, 55, United States

5. COO, Facebook, 41, United States

6. Cofounder, Bill & Melinda Gates Foundation, 47, United States

7. President, Indian National Congress Party, 64, India

8. First Lady, 47, United States

9. Managing Director, International Monetary Fund, 55, France

10. CEO, Kraft Foods, 58, United States