Population of Cook Islands

As of August 2026, the population of Cook Islands is 12.8 thousand. The number of inhabitants has decreased by 418 in the last year, representing a decline of 3.29%. The median age of the population has increased in recent years, rising from 31.5 years in 2016 to 38.1 years in 2026. Currently, life expectancy at birth is 75.8 years and population density is 53.4 inhabitants per square kilometer.

Population Growth

The population growth rate of Cook Islands peaked in 2007, reaching around 3.12% annually, but has since declined to approximately -3.26% in 2026. The annual increase in the number of people has also decreased from a peak of around 502 in 2010 to nearly -418 in 2026.

Life Expectancy

In Cook Islands, life expectancy at birth has been increasing, with the indicator rising from 71.4 years in 2006 to 75.8 years in 2026, representing an increase of more than 4 years over the past 2 decades.