Thailand Population Pyramid (2026)
Thailand has a population of 71,559,615 in 2026, according to the UN World Population Prospects 2024 (projection for 1 July). That is the 21st-largest population in the world and 0.86% of the global total of 8.30 billion. Children under 15 make up 14.1% of the population and people aged 65 and over 16.7%, with 94.5 males for every 100 females.
Thailand Demographics
Thailand has 71.6 million people in 2026, up 99.0% from 36.0 million in 1970.
Deaths outnumber births by 95,794 (UN projection for 2026).
Under-15 share 14.1% — the 18th-lowest of 194 countries.
Median age 41.0 — the 37th-highest of 194 countries.
Largest generation: Gen X — 23.5% (16,804,642)
All generations in Thailand →
Population pyramid, 1950 to 2026
Watch how Thailand's population structure evolved from 1950 to 2026
Page Navigation(Quick jump to sections)
Sex Ratio & Gender Distribution
Thailand has 94.5 males per 100 females (sex ratio)
Women outnumber men by 2,013,477 (2.8% of the population).
Male Statistics
- Population:34,773,069
- Percentage:48.6%
Female Statistics
- Population:36,786,546
- Percentage:51.4%
- Ratio Format:1:1.058
Sex Ratio Analysis
The sex ratio of Thailand indicates more females than males.
Birth Statistics & Natality Data
Estimated births today
Simulated from the UN WPP 2024 projection of 566,113 births in 2026.
Current Birth Metrics (2026)
Temporal Distribution
Averages from the UN annual births, 2026 projection
Historical Birth Rate Trends, 1950 to 2026
Birth Statistics, 2021 to 2026
| Year | Births | Birth Rate (per 1,000) | TFR (children/woman) | Type |
|---|---|---|---|---|
| 2021 | 612,870 | 8.5 | 1.23 | estimate |
| 2022 | 601,151 | 8.4 | 1.22 | estimate |
| 2023 | 591,200 | 8.2 | 1.21 | estimate |
| 2024 | 581,635 | 8.1 | 1.20 | projection |
| 2025 | 572,371 | 8.0 | 1.20 | projection |
| 2026 | 566,113 | 7.9 | 1.19 | projection |
Historical Analysis
Global Context (2026)
Source: UN WPP 2024: births, birth rate and fertility for 2024 and later are medium-variant projections; 1950–2023 are estimates. The live counter is a uniform simulation of the 2026 projection (566,113 births), not a real-time feed.
Median Age Analysis
Thailand's median age is 41.0 years
Half the population is younger than 41.0 years, half is older — indicating a middle-aged society
Complete Age Distribution & Youth Demographics
| Age Group | Population | % | Category |
|---|---|---|---|
| 0-4 | 2,919,931 | 4.1% | Youth |
| 5-9 | 3,285,893 | 4.6% | Youth |
| 10-14 | 3,868,224 | 5.4% | Youth |
| 15-19 | 4,205,757 | 5.9% | Young Adult |
| 20-24 | 4,659,596 | 6.5% | Young Adult |
| 25-29 | 4,850,509 | 6.8% | Working Age |
| 30-34 | 5,049,562 | 7.1% | Working Age |
| 35-39 | 4,972,116 | 6.9% | Working Age |
| 40-44 | 5,121,780 | 7.2% | Working Age |
| 45-49 | 5,257,201 | 7.3% | Working Age |
| 50-54 | 5,256,878 | 7.3% | Working Age |
| 55-59 | 5,305,674 | 7.4% | Working Age |
| 60-64 | 4,868,624 | 6.8% | Working Age |
| 65-69 | 4,140,329 | 5.8% | Senior |
| 70-74 | 3,128,304 | 4.4% | Senior |
| 75-79 | 2,157,423 | 3.0% | Senior |
| 80-84 | 1,279,067 | 1.8% | Senior |
| 85-89 | 762,421 | 1.1% | Senior |
| 90-94 | 350,880 | 0.5% | Senior |
| 95-99 | 101,688 | 0.1% | Senior |
| 100+ | 17,754 | 0.0% | Senior |
Demographic Transition Model (DTM) Stage
Stage 5 (natural decrease): deaths outnumber births — 7.9 births and 9.3 deaths per 1,000 people in 2026. Read more about Stage 5 of the Demographic Transition Model.
Fertility Rate & Birth Statistics
Thailand Total Fertility Rate: 1.19 children per woman
Below the replacement level of 2.1
Fertility Rate Trends
Historical data (solid line) and future projections (dashed line)
Historical Fertility Trends
| Year | Total Fertility Rate | Birth Rate | Change |
|---|---|---|---|
| 2021 | 1.23 | 8.5 | |
| 2022 | 1.22 | 8.4 | ↓0.01 |
| 2023 | 1.21 | 8.2 | ↓0.01 |
| 2024 | 1.20 | 8.1 | ↓0.01 |
| 2025 | 1.20 | 8.0 | 0.00 |
| 2026 | 1.19 | 7.9 | ↓0.01 |
Global Context
- • World Average: 2.23 children per woman
- • Comparison: Below global average
- • UN projection for 2030: 1.20
Thailand's total fertility rate is 1.19 children per woman in 2026 (very low (lowest-low) fertility), below the replacement level of 2.1. Thailand ranks 186 of 194 for fertility rate (1 = highest), in the lowest third of countries. The fertility rate has changed by −81.3% since 1950.
Historical Demographic Changes
Between 1950 and 2026, Thailand's population has increased by 250.3%.
The median age has increased from 17.5 in 1950 to 41.0 in 2026, indicating population aging.
Understanding Thailand's Demographics
Thailand has a constrictive population pyramid — a base narrower than the middle, so younger cohorts are smaller than the ones above them.
Children under 15 make up 14.1% of the population and people aged 65 and over 16.7%.
The largest five-year age band is 55–59, at 7.4% of the population, compared with 4.1% in the 0–4 band.
Demographic Analysis: Thailand's Population Structure
Demographic Dividend Window
Thailand's working-age share peaked in 2013 at 71.7% and is 69.2% in 2026.
Fertility Transition Stage
Thailand is in a period of very low (lowest-low) fertility, with a total fertility rate of 1.19 children per woman (2026, UN WPP 2024).
Population Aging Speed
Thailand's median age changed by +4.7 years from 2016 to 2026, faster than the world average (+2.6 years).
Key Demographics
| Total Population | 71,559,615 |
| Male Population | 34,773,069(48.6%) |
| Female Population | 36,786,546(51.4%) |
| Median Age | 41.0 years |
| Sex Ratio | 94.5 males per 100 females |
| Youth (0-14) | 10,074,048(14.1%) |
| Working Age (15-64) | 49,547,701(69.2%) |
| Elderly (65+) | 11,937,866(16.7%) |
| Total Dependency Ratio | 44.4 |
| Youth Dependency Ratio | 20.3 |
| Old Age Dependency Ratio | 24.1 |
| Pyramid Type | Constrictive |
Dependency Ratios: Number of dependents per 100 working-age individuals.
Demographic Data Visualizations
Total population, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Median age, 1950–2026 (UN WPP 2024; 2024 onward are projections).
Youth, working-age and elderly shares, 1950 vs 2026 (UN WPP 2024).
Age distribution in 2026: youth, working-age and elderly shares (UN WPP 2024; projection).
Life Expectancy in Thailand
How long the average person in Thailand is expected to live · sourced from UN WPP 2024
Historical Trend, 1950 → 2026 (plus UN projection to 2100)
Solid: actual · Dashed: medium-variant projectionFuture Demographic Trends
Thailand is projected to shrink to 66.4 million people by 2050 (−7.2% from 2026).
The median age rises from 41.0 in 2026 to 48.6 by 2050.
Thailand's Demographic Evolution by Decade
The population increased by 27.0%, growing from 36.0 million in 1970 to 45.7 million by 1980
The median age increased by 2.6 years, indicating population aging during this period
The youth population share contracted by 6.1 percentage points.
Key Demographic Highlights
- • Population changed from 36.0M to 45.7M
- • Growth rate of 27% over the decade
- • Median age shifted from 16.3 to 18.9 years (+2.6y)
- • 65+ share changed by +0.4 points; under-15 share by −6.1 points
How Does Thailand Compare to Its Neighbors?
Thailand has an older population than Myanmar, Laos, Cambodia, Malaysia. Thailand has a larger population than Myanmar, Laos, Cambodia, Malaysia.
Thailand
Myanmar
Laos
Cambodia
Malaysia
Frequently Asked Questions About Thailand
How does Thailand rank globally by population?
Thailand ranks 21st in the world by population with 71.6 million people as of 2026, representing 0.86% of the global total of 8.30 billion.
What does Thailand's age structure reveal about its development?
Thailand's age structure — 14.1% under 15, 69.2% working-age (15–64) and 16.7% aged 65+ — is that of a country in Stage 5 of the demographic transition, with a constrictive population pyramid. The median age is 41.0 years.
What is the dependency ratio in Thailand?
Thailand has 44.4 people under 15 or aged 65+ per 100 people aged 15–64 in 2026.
Is Thailand experiencing a demographic dividend?
Thailand has moved past its demographic-dividend window. Thailand's working-age share peaked in 2013 at 71.7% and is 69.2% in 2026. The demographic dividend occurs when falling fertility creates a bulge in the working-age population while dependency ratios stay manageable.
What are the gender dynamics in Thailand's population?
Thailand has more females than males, with 94.5 males per 100 females.
Compare with Other Countries
Data Sources & Methodology
All population data is sourced from the United Nations Department of Economic and Social Affairs, Population Division. The data represents UN medium-variant projections.
Cite this page: Population Pyramids. (2026). Thailand Population Pyramid and Demographic Analysis. Retrieved from https://www.populationpyramids.org/thailand
View UN World Population Prospects Data →