As of April 2025, the population of Niue is 1.9 thousand. The number of inhabitants has decreased by 0 in the last year, representing a decline of 0.00%. The median age of the population has increased in recent years, rising from 35 years in 2015 to 35.5 years in 2025. Currently, life expectancy at birth is 71.6 years and population density is 7.4 inhabitants per square kilometer.
The population growth rate of Niue peaked in 2019, reaching around 2.24% annually, but has since declined to approximately 0% in 2025. The annual increase in the number of people has also decreased from a peak of around 115 in 1964 to nearly 0 in 2025.
In Niue, life expectancy at birth has been increasing, with the indicator rising from 67.3 years in 2005 to 71.6 years in 2025, representing an increase of more than 4 years over the past 2 decades.