Population of Nauru

As of April 2025, the population of Nauru is 13 thousand. The number of inhabitants has increased by 87 in the last year, representing a growth of 0.74%. The median age of the population has decreased in recent years, rising from 20.2 years in 2015 to 20 years in 2025. Currently, life expectancy at birth is 64.5 years and population density is 648.9 inhabitants per square kilometer.

Population Growth

The population growth rate of Nauru peaked in 1965, reaching around 5.82% annually, but has since declined to approximately 0.67% in 2025. The annual increase in the number of people has also decreased from a peak of around 419 in 1983 to nearly 87 in 2025.

Life Expectancy

In Nauru, life expectancy at birth has been increasing, with the indicator rising from 58.2 years in 2005 to 64.5 years in 2025, representing an increase of more than 6 years over the past 2 decades.

Most populous cities in Nauru

The cities of Nauru are small, with the 5 most populated adding up to around 7.6 thousand inhabitants. The most populous city is Arijejen, Aiwo District, with approximately 2.4 thousand inhabitants. It is followed by Denigomodu, Denigomodu District with 1.8 thousand and Menen, Meneng District with 1.4 thousand.

These are the 11 most populous cities in Nauru: