Examine long-term changes in Northern Mariana Islands’s age structure and male and female population distribution.
Review the age and gender distribution of Northern Mariana Islands's population and compare demographic changes over time.
As of 2025, Northern Mariana Islands's population stands at approximately 43,541 people. Over the past five years it has declined by -8.39%, and over the past ten years by -15.48%.
Northern Mariana Islands ranks 207th of 217 countries by total population, and 211th by five-year population growth. Growth momentum is currently decelerating (-1.60% → -1.74% per year).
By gender, male residents make up the larger share of the population, at 52.9% (47.1% female vs 52.9% male).
By broad age group, the working-age (15-64) group accounts for the largest share of the population: 21.2% are under 15, 68.0% are aged 15-64, and 10.8% are aged 65 and above.
The share of the population under 15 is currently falling, and peaked at 51.1% in 1964.
The share of the population aged 60 and above has been rising, from 4.7% in 1960 to 18.2% in 2025.
Population of Northern Mariana Islands by Year: Total, Gender and Broad Age Groups
Data source: World Bank, World Development Indicators — Population, total (SP.POP.TOTL); population by gender (SP.POP.TOTL.MA.IN, SP.POP.TOTL.FE.IN); population by broad age group (SP.POP.0014.TO, SP.POP.1564.TO, SP.POP.65UP.TO). License: CC BY-4.0. Retrieved 2026-07-10.
Northern Mariana Islands Population by Five-Year Age Cohorts and Gender
Data source: World Bank, World Development Indicators — Population by five-year age groups and sex (SP.POP.0004.MA … SP.POP.80UP.FE). License: CC BY-4.0. Retrieved 2026-07-10.