| Total population | 218,000 peopleUN DESA WPP [2024] 218,000 people·World Bank WDI [2024] 218,000 people |
| Median age | 19.8 yearsUN DESA WPP [2024] |
| Life expectancy | 71.7–71.8 yearsWorld Bank WDI [2024] 71.83 years·UNDP HDI [2023] 71.7 years |
| Ethnic groups | Samoan 96%, Samoan/New Zealander 2%, other 1.9% (2011 est.); note: data represent the population by country of citizenshipCIA World Factbook [2025] · 2026 archive |
| Languages | Samoan (Polynesian) (official) 91.1%, Samoan/English 6.7%, English (official) 0.5%, other 0.2%, unspecified 1.6% (2006 est.)CIA World Factbook [2025] · 2026 archive |
| Religions | Protestant 54.9% (Congregationalist 29%, Methodist 12.4%, Assembly of God 6.8%, Seventh Day Adventist 4.4%, other Protestant 2.3%), Roman Catholic 18.8%, Church of Jesus Christ 16.9%, Worship Centre 2.8%, other Christian 3.6%, other 2.9% (includes Baha'i, Muslim), none 0.2% (2016 est.)CIA World Factbook [2025] · 2026 archive |
| Urbanization | 17.5% of total population (2023)CIA World Factbook [2025] · 2026 archive |
| Population growth | 0.624 %World Bank WDI [2024] |
| Birth rate | 25 per 1,000World Bank WDI [2024] |
| Death rate | 6.16 per 1,000World Bank WDI [2024] |
| Urban population | 17.5 %World Bank WDI [2024] |
| Languages (structured) | Samoan / Samoan Plantation PidginGlottolog [2026] |