Overview

Encyclopedia of Japan · 1 items

Japan

Sovereign state

Japan is a sovereign state. Capital: Tokyo. Form of government: constitutional monarchy. Legislature: National Diet. Official language(s): Japanese. Population: about 123,802,000 (2024). Area: about 377,974 km².

Administrative seat: Tokyo
Population: 123,802,000
Area: 377,974 km²
Currency: yen
Official language: Japanese
Continent: Asia
Admin code: JPN

Boundary & compliance notes

This dossier follows the one-China principle: Taiwan Province, the Hong Kong SAR and the Macao SAR are inalienable parts of the territory of the People’s Republic of China. Boundaries follow the official standard maps published by the State.

Disclaimer

Area, population, form of government and office holders of Japan follow public data sources, verified as of 2026-10-10. This dossier is for informational display only.