As of May 2026, the population of Samoa is 235 thousand. The number of inhabitants has increased by 3 thousand in the last year, representing a growth of 1.41%. The median age of the population has increased in recent years, rising from 20 years in 2016 to 20.7 years in 2026. Currently, life expectancy at birth is 73.2 years and population density is 83.2 inhabitants per square kilometer.
The population growth rate of Samoa peaked in 1958, reaching around 3.21% annually, but has since declined to approximately 1.39% in 2026. The annual increase in the number of people has also decreased from a peak of around 3.93 thousand in 2021 to nearly 3.28 thousand in 2026.
In Samoa, life expectancy at birth has been increasing, with the indicator rising from 72 years in 2006 to 73.2 year in 2026, representing an increase of more than 1 year over the past 2 decades.
The cities of Samoa are small, with the 5 most populated adding up to around 56.6 thousand inhabitants. The most populous city is Apia, Tuamasaga, con una diferencia significativa sobre las demás, alcanzando approximately 40.4 thousand inhabitants. It is followed by Asau, Vaisigano with 6.6 thousand and Mulifanua, Aiga-i-le-Tai with 4.5 thousand.
These are the 20 most populous cities in Samoa:
| # | City | Population |
|---|---|---|
| 1 | Apia, Tuamasaga | 40,407 |
| 2 | Asau, Vaisigano | 6,643 |
| 3 | Mulifanua, Aiga-i-le-Tai | 4,508 |
| 4 | Faleula | 2,592 |
| 5 | Vaimoso, Tuamasaga | 2,465 |
| 6 | Siusega, Tuamasaga | 2,226 |
| 7 | Malie, Tuamasaga | 2,189 |
| 8 | Fasito‘outa, A'ana | 2,098 |
| 9 | Vaiusu, Tuamasaga | 2,043 |
| 10 | Afega, Tuamasaga | 1,895 |
| # | City | Population |
|---|---|---|
| 11 | Nofoali‘i, A'ana | 1,828 |
| 12 | Solosolo, Atua | 1,487 |
| 13 | Vailima, Tuamasaga | 1,462 |
| 14 | Leulumoega, A'ana | 1,458 |
| 15 | Satapuala, A'ana | 1,412 |
| 16 | Tuana‘i, Tuamasaga | 1,407 |
| 17 | Falefa, Atua | 1,346 |
| 18 | Matavai, Gaga'ifomauga | 1,308 |
| 19 | Safotu, Gaga'ifomauga | 1,207 |
| 20 | Si’umu, Tuamasaga | 1,183 |