4) Xi Jinping

Xi Jinping is the most powerful man in China. He holds all the three offices required to be the undisputed leader in China. He is rightly called the most powerful Chinese ruler since Mao Zedong. He has an assertive public profile. He is in favor of economic and security alliances.

3) Barack Obama

The first African American to hold the Office of the President of the United States of America. His term comes to an end in 2016. Obama’s influence is shrinking; he is currently struggling to get things done. At home his approval rating is less than 50 percent. Abroad leaders like Putin and Merkel are outshining him.