Demographic profile
Cook Islands is the 219th most populous of the 238 countries and territories tracked on this site, home to about 0.0% of everyone alive. Within Polynesia, it ranks 5 of 10.
Each day brings roughly 0 births and 0 deaths, leaving the population essentially flat. Real trajectories bend as fertility, mortality and migration shift, which is why the chart below shows both history and projection.
Literacy stands near 98.0% and adult smoking prevalence around 25.0%, with life expectancy at about 71.1 years. Baselines come from UN World Population Prospects, the World Bank, WHO surveys, WorldPop and HDX; the counters project them forward in real time — the method, and every caveat, is documented on our data sources page.
Quick answers
What is the population of Cook Islands in 2026? Approximately 19,226 people (live projection; the counter above updates every second).
How fast is Cook Islands growing? About 1.25% per year — roughly 0 births and 0 deaths every day.
What share of the world lives in Cook Islands? Around 0.0% — ranked 219 worldwide by population.