The World’s Leading Biography Database

Top 20 Most Powerful World Leaders in History

Barack Obama

Politician

44th President of the United States

John F. Kennedy

Politician, Statesman

The youngest elected U.S. president

Genghis Khan

Military Commander, Emperor

Founder and Supreme Ruler of the Mongol Empire

Xi Jinping

Politician, Statesman, Head of State

Alexander the Great

Military Commander

The Legendary Conqueror of the Ancient World

Donald Trump

Politician

45th President of United States

George Washington

Former President, Military Commander, Statesman, Politician

Former President of the United States of America

Nelson Mandela

Politician, Lawyer

A global symbol of freedom, reconciliation, and human rights

Theodore Roosevelt

Politician, Statesman, Historian, Writer

26th President of the United States

Vladimir Putin

Politician, , Head of State

Russian president

Abraham Lincoln

Politician

United States' 16th President in 1861

Angela Merkel

Politician, Physicist

Franklin D. Roosevelt

Politician, Lawyer, Statesman, Former President

Iconic Leader of the New Deal and World War II America

Julius Caesar

Statesman, Writer

Margaret Thatcher

Politician, Former Head of State

The Iron Lady | Prime Minister of the United Kingdom

Mustafa Kemal ATATÜRK

Statesman, Military Commander

Founder of the Republic of Turkey and a visionary reformer

Napoleon Bonaparte

Statesman, Military Commander

Otto von Bismarck

Statesman, Politician, Diplomat

The Iron Chancellor – Architect of German Unity

Thomas Jefferson

Former President, Statesman, Lawyer, Philosopher

Primary Author of the Declaration of Independence · Third President of the United States (1801–1809)

Winston Churchill

Statesman, Writer, Historian

Former Prime Minister of the United Kingdom