- 1830
- 557,000 km (215,000 sq mi)
- 1858
- 12,031,000
- 1890
- 14,752,000
- 1942
- 25,552,000
- 1945
- Trần Trọng Kim
- Status
- Internal imperial system within Chinese tributary (1802–1883) , French protectorate (1883–1945) , Puppet state of the Empire of Japan (1945)
- Capital
- Phú Xuân (now part of Huế ), 16°28′N 107°36′E / 16.467°N 107.600°E / 16.467; 107.600
- Official languages
- Literary Chinese (written, 1802–1884) , French (from 1884)
- Common languages
- Vietnamese
- Religion
- State ideology : , Ruism , Minority: , Mahayana Buddhism , Caodaism , Christianity , Folk religion , Hòa Hảo , Hinduism , Islam , and Taoism
- Demonym
- Vietnamese