American Samoa, an unincorporated territory of the United States located in the South Pacific, has experienced a unique demographic journey. Unlike many countries that have seen consistent growth, American Samoa’s population rose steadily in the 20th century but has entered a period of decline in the 21st century.
American Samoa’s Historical Population Growth (1950–2024)
The demographic trends in American Samoa reflect migration, fertility shifts, and economic changes:
- 1950–1970: Population nearly doubled, growing from 19,000 in 1950 to 27,000 in 1970.
- 1980s–1990s: Rapid growth occurred, with the population reaching 56,000 by 1999.
- 2000–2010: The peak population of about 57,000 was reached, after which growth slowed.
- 2010–2024: Outmigration and declining fertility led to a steady population decrease, falling to 47,000 in 2024.
Table: American Samoa Population 1950–2024 (selected years)
| Year | Population (‘000) |
|---|---|
| 1950 | 19 |
| 1970 | 27 |
| 1990 | 47 |
| 2000 | 57 |
| 2010 | 55 |
| 2020 | 50 |
| 2024 | 47 |
American Samoa’s Future Population Projections (2025–2100)
Projections show a continued decline, with the population stabilizing at around 32,000 by 2100.
- 2030: 43,000
- 2050: 38,000
- 2075: 34,000
- 2100: 32,000
📊 Table: American Samoa Population Projections
| Year | Projected Population (‘000) |
|---|---|
| 2030 | 43 |
| 2050 | 38 |
| 2075 | 34 |
| 2100 | 32 |
FAQ
The population of American Samoa in 2024 is about 47,000.
American Samoa’s peak population was around 57,000 in the year 2000.
The decline is due to outmigration to the U.S. mainland and lower fertility rates.
By 2050, the population is projected to fall to around 38,000.
Yes, projections show a gradual decrease, stabilizing at about 32,000 by 2100.
Source:
United Nations. World Population Prospects 2024.

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