Population 127,433,494 Official Language Japanese National Anthem Kimi ga Yo - Imperial Reign Capital Tokyo Currency Yen Government Constitutional Monarchy Chief of State - Emperor Akihito Head of Government/Prime Minister - Shinzo Abe Major Airports Narita International Kansai International Miscellaneous Facts Recovered after its defeat in WW II to become an economic power and a staunch ally of the US Total Size - 377,873 square kilometers / 374,744 square miles Country Code - +81 Internet Extension - .jp Work Force 66.44 million Work Force by Occupation Agriculture - 4.6% Industry - 27.8% Services - 67.7% Unemployment 4.1% Economy 2nd most technologically powerful economy in the world after the US 3rd largest economy in the world after the US and China Industries motor vehicles electronic equipment machine tools steel and nonferrous metals ships chemicals textiles processed foods Exports transport equipment motor vehicles semiconductors electrical machinery chemicals Imports machinery and equipment fuels foodstuffs chemicals textiles raw materials Political parties Democratic Party of Japan Japan Communist Party Komeito Liberal Democratic Party Social Democratic Party