Population Pyramids of the World from 1950 to 2100

Thailand Population Pyramid 2099

Thailand
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2099
Population: 45,898,054

Year

-5 -1   2099  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Thailand in 2099

By 2099, the population of Thailand is expected to reach 45,898,054. Ten years before, in 2089, the projected population is still 49,580,990 — a ten-year decline of 7.4%.

Half of the population would be younger than 52.9 years, with 11.4% children under 15 and 35.5% aged 65 or older. The narrow base of the pyramid marks a constrictive age structure: fertility below replacement level and a rising share of older people.

Ranks #50 of 201 by population Ranks #35 of 201 by median age Ranks #167 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Thailand
Population
45,898,054
Median age
52.9
0-14 %
11.4%
65+ %
35.5%
Child dependency
21.4
Old-age dependency
66.8
Region
ASIA
Pyramid shape
Constrictive
Population 2050
66,382,735
Population 2100
45,555,065
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 1.21

The fertility rate of Thailand was 1.21 births per woman in 2023, under the 2.1 needed to replace each generation.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
405060708090
19602023 · 76.4

Life expectancy at birth was 76.4 years in 2023: 80.9 for women and 72.2 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
22456890
19502100
Migration to and from Thailand
Where immigrants come from (2024)

2,906,155 immigrants live in Thailand, 4.1% of the population.

Myanmar1,708,695
Cambodia375,635
Laos285,819
United Kingdom116,582
Japan104,515
Where emigrants live (2024)

1,178,284 people born in Thailand live in other countries.

United States of America307,741
Republic of Korea199,861
Australia109,845
Taiwan80,032
Malaysia70,718
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Thailand compares with its neighbours
Country Population Median age Relative size
Thailand 45,898,055 52.9
Malaysia 44,143,976 48.3
Myanmar 49,908,690 44.7
Cambodia 22,797,224 43.6
Laos 9,303,187 45.8
Frequently asked questions about Thailand's population
How many people are projected to live in Thailand in 2099?
UN projections put Thailand's population at 45,898,054 in 2099.
Is Thailand's population growing or shrinking?
Thailand's population declined 7.4% over the previous ten years, and is projected to reach 66,382,735 by 2050.
What is the median age in Thailand?
The median age in Thailand is 52.9 years — half the population is younger, half older.
How many children and older people live in Thailand?
35.5% of Thailand's population is 65 or older, and 11.4% is under 15.
What shape is Thailand's population pyramid, and what does it mean?
Thailand's pyramid is constrictive — narrower at the base than the middle, the signature of sustained low fertility and population ageing.

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