| year | 1901 | 1911 | 1921 | 1926 | 1931 | 1936 | 1939 | 1943 | 1951 | 1955 | 1960 |
| Population (millions) | 13.0 | 14.7 | 15.6 | 16.3 | 17.7 | 19.0 | 19.6 | 22.2 | 23.1 | 25.1 | 30.2 |
| Growth rate (%) | | | 1.2 | 0.6 | 0.9 | 1.7 | 1.4 | 1.0 | 3.2 | 0.5 | 2.1 | 3.8 |
Sources: Indochina Statistical Yearbooks, Vietnam Statistical Yearbooks, United Nations