Demographic profile
Thailand is the 21st most populous of the 238 countries and territories tracked on this site, home to about 0.86% of everyone alive. Within Southeast Asia, it ranks 4 of 11.
Each day brings roughly 1,708 births and 1,669 deaths, adding about 14,244 people over a year. At the current natural-increase rate of 0.02% annually. 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 Narathiwat, holding an estimated 16.0% of the national population. The full breakdown of all 60 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 94.1% and adult smoking prevalence around 22.1%, with life expectancy at about 68.6 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 Thailand in 2026? Approximately 71,729,783 people (live projection; the counter above updates every second).
How fast is Thailand growing? About 0.02% per year — roughly 1,708 births and 1,669 deaths every day.
What share of the world lives in Thailand? Around 0.86% — ranked 21 worldwide by population.