Republic of Korea Population Pyramid 2100
Republic of Korea
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2100
Population:
21,848,791
Summary
Republic of Korea in 2100
United Nations projections (medium variant) put the population of the Republic of Korea at 21,848,791 in 2100. That would be 14.1% less than in 2090 (25,449,094).
The median age is projected at 60.8 years, with 18.7 children under 15 and 97.9 people aged 65 or over for every 100 people of working age (15–64). The narrow base of the pyramid marks a constrictive age structure: fertility below replacement level and a rising share of older people.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Key indicators for Republic of Korea
Population
21,848,791
Median age
60.8
0-14 %
8.6%
65+ %
45.2%
Child dependency
18.7
Old-age dependency
97.9
Region
Pyramid shape
Population 2050
45,143,134
Population 2100
21,848,791
What is driving the change
Births per woman
Total fertility rate, 1960–2023
123456
1960Replacement level (2.1)2023 · 0.72
The fertility rate of the Republic of Korea was 0.72 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 · 83.4
Life expectancy at birth was 83.4 years in 2023: 86.4 for women and 80.6 for men.
Source: World Bank World Development Indicators, latest available year.
People supported per 100 workers
Dependency ratios, 1950–2100
Children
Older adults
306090120
19502100
Migration to and from Republic of Korea
Where immigrants come from (2024)
1,618,971 immigrants live in Republic of Korea, 3.1% of the population.
| China | 756,684 |
| Viet Nam | 260,609 |
| Thailand | 199,861 |
| Uzbekistan | 59,361 |
| United States of America | 53,226 |
Where emigrants live (2024)
2,028,575 people born in Republic of Korea live in other countries.
| United States of America | 1,083,174 |
| Japan | 393,944 |
| Canada | 151,409 |
| Australia | 114,174 |
| China | 65,073 |
Explore
Immigration statistics
Origin of migrant stocks map
Source: United Nations International Migrant Stock 2024.
How Republic of Korea compares with its neighbours
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Republic of Korea | 21,848,791 | 60.8 | |
| Dem. People's Republic of Korea | 19,512,149 | 49.6 | |
| Taiwan | 10,016,995 | 57.8 | |
| Mongolia | 5,519,345 | 42.9 | |
| China, Hong Kong SAR | 2,080,291 | 73.3 |
Frequently asked questions about Republic of Korea's population
What will the population of the Republic of Korea be in 2100?
The Republic of Korea is projected to have a population of 21,848,791 in 2100.
Is the Republic of Korea's population growing or shrinking?
Yes, shrinking: down 14.1% from 2090, with a projected population of 45,143,134 in 2050.
How old is the population of the Republic of Korea?
The Republic of Korea's median age is 60.8 years.
How many children and older people live in the Republic of Korea?
45.2% of the Republic of Korea's population is 65 or older, and 8.6% is under 15.
What shape is the Republic of Korea's population pyramid, and what does it mean?
The Republic of Korea's pyramid is constrictive — narrower at the base than the middle, the signature of sustained low fertility and population ageing.
