Population of American Samoa

As of April 2025, the population of American Samoa is 43.3 thousand. The number of inhabitants has decreased by 396 in the last year, representing a decline of 0.88%. The median age of the population has increased in recent years, rising from 23.6 years in 2015 to 29.7 years in 2025. Currently, life expectancy at birth is 73.1 years and population density is 215.8 inhabitants per square kilometer.

Population Growth

The population growth rate of American Samoa peaked in 1987, reaching around 3.88% annually, but has since declined to approximately -0.92% in 2025. The annual increase in the number of people has also decreased from a peak of around 1.79 thousand in 1989 to nearly -396 in 2025.

Life Expectancy

Life expectancy at birth has increased slightly in American Samoa, with the indicator rising from 72.3 years in 2005 to 73.1 year in 2025, representing an increase of almost 1 year over the past 2 decades.

Most populous cities in American Samoa

The cities of American Samoa are small, with the 5 most populated adding up to around 29.8 thousand inhabitants. The most populous city is Pago Pago, Eastern District, with approximately 11.5 thousand inhabitants. It is followed by Tāfuna, Western District with 8 thousand and Leone, Western District with 4 thousand.

These are the 20 most populous cities in American Samoa: