Barack Obama (6)

Nicolas Sarkozy (6)

Yoshihiko Noda (6)

Muammar Gaddafi (5)

Ronald Reagan (4)

Ban Ki Moon (4)

Jay Carney (4)

Naoto Kan (4)

Hosni Mubarak (4)

Hillary Rodham Clinton (3)

Ali Al-Naimi (3)

Angela Merkel (3)

Patrick Fuller (3)

Yukio Edano (3)

Vladimir Putin (3)

Jun Azumi (3)

Yukiya Amano (3)

Recep Tayyip Erdogan (3)

Masaaki Shirakawa (3)

Hiromichi Shirakawa (3)

Yuri Kageyama (3)

Song Seng Wun (3)

Mile Island (3)

Silvio Berlusconi (3)

Erica Hill (3)

William Hague (3)

Zhu Guangyao (2)

Daniel Woolls (2)

Jaime Flor (2)

Pope Benedict XVI (2)

Igor Sechin (2)

Koetsu Aizawa (0.3)

Naoki Kumagai (0.3)

Natsuno Asanuma (0.3)

Hery Harjono (0.3)

Shigekazu Omukai (0.3)

James Walsh (0.2)

Ira Helfand (0.2)

Patrick Fuller (0.1)

John Large (0.1)

Mike Wittner (0.1)

Shinji Kinjo (0.1)

Hiromichi Shirakawa (0.1)

Stan Grant (0.1)

Jaime Flor (0.1)

Song Seng Wun (0.1)

Tom Byrne (0.1)

Malcolm Grimston (0.1)

Ryohei Shiomi (0.1)

Masamichi Adachi (0.1)

Jeff Davis (0.1)

Hajimi Motujuku (0.1)

Yuri Kageyama (0.1)

Daniel Woolls (0.1)

Edwin Lyman (0.1)

Celia Hatton (0.1)

Hideyuki Ishiguro (0.0)

Eric Talmadge (0.0)

Erica Hill (0.0)

Noriyuki Shikata (0.0)

Capital Economics (16)

European Union (11)

Xinhua News Agency (8)

New York Times (6)

White House (6)

Wall Street (6)

Bank of Japan (6)

OPEC (5)

Goldman Sachs (5)

Member States (5)

United States Navy (5)

Facebook (5)

G8 (5)

Dow Jones (5)

Nikkei (5)

New York Mercantile Exchange (5)

Société Générale (5)

UN Security Council (4)

The Washington Times (4)

State Department (4)

European Central Bank (4)

Sky News (4)

Toyota Motor (4)

Federal Reserve System (4)

United Nations (4)

Al-Jazira (4)

Barclays Capital (4)

Matsushita Electric Industrial Co (4)

Honda Motor Co (4)

The Times (4)

Chatham House (4)

Foreign Office (4)

Hang Seng (4)

European Commission (4)

Lehman Brothers (4)

International Atomic Energy Agency (4)

Fukushima Prefecture (3)

International Energy Agency (3)

The Pentagon (3)

Canon Inc (3)

Sony Corporation (3)

Miyagi Prefecture (3)

National Police (3)

Nuclear Regulatory Commission (3)

Meteorological Agency (3)

Crédit Agricole (3)

Credit Suisse (3)

Tokyo Stock Exchange (3)

People's Daily (3)

Morgan Stanley (3)

Arab League (3)

Boeing (3)

General Electric (3)

Sony Corp (3)

Red Cross (3)

Getty Images (3)

Mitsubishi UFJ (3)

Petroleum Exporting Countries (3)

West Texas Intermediate (3)

American Electric Power Co (3)

European Parliament (3)

Tokyo Electric Power (3)

Gazprom (3)

U.S. Geological Survey (3)

Air Force (2)

Merrill Lynch (2)

Carnegie Endowment for International Peace (2)

Isuzu Motors (2)