Population of Nauru

As of July 2026, the population of Nauru is 12.1 thousand. The number of inhabitants has increased by 77 in the last year, representing a growth of 0.63%. The median age of the population has decreased in recent years, rising from 20.5 years in 2016 to 20.2 years in 2026. Currently, life expectancy at birth is 62.6 years and population density is 605.1 inhabitants per square kilometer.

Population Growth

The population growth rate of Nauru peaked in 1965, reaching around 5.61% annually, but has since declined to approximately 0.64% in 2026. The annual increase in the number of people has also decreased from a peak of around 327 in 1965 to nearly 77 in 2026.

Life Expectancy

In Nauru, life expectancy at birth has been increasing, with the indicator rising from 59.4 years in 2006 to 62.6 years in 2026, representing an increase of more than 3 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 7.9 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 14 most populous cities in Nauru: