Forbes magazine has published their list of most powerful people in the world for the year 2012. Also known as Forbes power list, it states that US president is the most powerful person in world as he occupies the the number one spot for second time in a row. On the other hand Indian prime minister Manmohan Singh and UPA chaiperson Sonia Gandhi occupy 19th and 12th place respectively.

Indian billionaires, Reliance Industries chairman Mukesh Ambani and Arcelor Mittal CEO Lakshmi Mittal also feature in the list that comprises 71 key people in the world that include heads of state, CEOs, entrepreneurs and philanthropists who according to the magazine"truly run and shape the world of 7.1 billion people."

Forbes also published a list of 'youngest powerful people' where Facebook CEO Mark Zuckerberg occupied the number one spot while North Korean supreme leader Kim Jong-Un came second.

Here is the top ten most powerful people in the world:

1.   Barack Obama

2.   Angela Merkel

3.   Vladimir Putin

4.   Bill Gates

5.   Pope Benedict XVI

6.   Ben Bernanke

7.   Abdullah bin Abdul Aziz al saud

8.   Mario Draghi

9.   Xi Jinping

10. David Cameron