Demographic profile
Guam is the 192nd most populous of the 238 countries and territories tracked on this site, home to about 0.0% of everyone alive. Within Micronesia, it ranks 1 of 7.
Each day brings roughly 9 births and 3 deaths, adding about 2,191 people over a year. At the current natural-increase rate of 1.25% annually, the population would double in roughly 56 years if the rate held. Real trajectories bend as fertility, mortality and migration shift, which is why the chart below shows both history and projection.
Among its first-level divisions, the largest by our modelled allocation is Sinajana, holding an estimated 23.2% of the national population. The full breakdown of all 19 states and regions is in the table below — regional figures outside Sudan are modelled estimates built on real region names, and are flagged as such.
Literacy stands near 92.0% and adult smoking prevalence around 28.0%, with life expectancy at about 77.8 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 Guam in 2026? Approximately 183,381 people (live projection; the counter above updates every second).
How fast is Guam growing? About 1.25% per year — roughly 9 births and 3 deaths every day.
What share of the world lives in Guam? Around 0.0% — ranked 192 worldwide by population.