Population Pyramids of the World from 1950 to 2100

Republic of Korea Population Pyramid 2021

Republic of Korea
Afghanistan Africa Albania Algeria Angola Antigua and Barbuda Argentina Armenia Aruba Asia Australia Australia/New Zealand Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia (Plurinational State of) Bosnia and Herzegovina Botswana Brazil Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Caribbean Central African Republic Central America Central Asia Chad Channel Islands Chile China China, Hong Kong SAR China, Macao SAR Colombia Comoros Congo Costa Rica Croatia Cuba Curaçao Cyprus Czech Republic Côte d'Ivoire Dem. People's Republic of Korea Democratic Republic of the Congo Denmark Djibouti Dominican Republic Eastern Africa Eastern Asia Eastern Europe Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Europe Fiji Finland France French Guiana French Polynesia Gabon Gambia Georgia Germany Ghana Greece Grenada Guadeloupe Guam Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyzstan Lao People's Democratic Republic Latin America and the Caribbean Latvia Least developed countries Lebanon Lesotho Less developed regions Less developed regions, excluding China Less developed regions, excluding least developed countries Liberia Libya Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Martinique Mauritania Mauritius Mayotte Melanesia Mexico Micronesia Micronesia (Fed. States of) Middle Africa Mongolia Montenegro More developed regions Morocco Mozambique Myanmar Namibia Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Northern Africa Northern America Northern Europe Norway Oceania Oman Other non-specified areas Pakistan Panama Papua New Guinea Paraguay Peru Philippines Poland Polynesia Portugal Puerto Rico Qatar Republic of Korea Republic of Moldova Romania Russian Federation Rwanda Réunion Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South America South Sudan South-Central Asia South-Eastern Asia Southern Africa Southern Asia Southern Europe Spain Sri Lanka State of Palestine Sub-Saharan Africa Sudan Suriname Swaziland Sweden Switzerland Syrian Arab Republic TFYR Macedonia Tajikistan Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine United Arab Emirates United Kingdom United Republic of Tanzania United States Virgin Islands United States of America Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Viet Nam Western Africa Western Asia Western Europe Western Sahara World Yemen Zambia Zimbabwe
2021
Population: 51,848,397

Year

-5 -1   2021  +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

Republic of Korea in 2021

The population of the Republic of Korea in 2021 was 51,848,397. A decade earlier, in 2011, the population was 49,127,644; it has grown by 5.5% since.

Half of the population was younger than 44.4 years; 11.8% were children under 15 and 16.7% were 65 or older. The pyramid is constrictive: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.

Ranks #28 of 201 by population Ranks #17 of 201 by median age Ranks #141 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 Republic of Korea
Population
51,848,397
Median age
44.4
0-14 %
11.8%
65+ %
16.7%
Child dependency
16.5
Old-age dependency
23.3
Region
ASIA
Pyramid shape
Constrictive
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.

China756,684
Viet Nam260,609
Thailand199,861
Uzbekistan59,361
United States of America53,226
Where emigrants live (2024)

2,028,575 people born in Republic of Korea live in other countries.

United States of America1,083,174
Japan393,944
Canada151,409
Australia114,174
China65,073
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 51,848,398 44.4
Dem. People's Republic of Korea 26,232,534 36.6
Taiwan 23,558,333 43.4
China, Hong Kong SAR 7,484,602 46.0
Mongolia 3,339,674 27.4
Frequently asked questions about Republic of Korea's population
How many people lived in the Republic of Korea in 2021?
In 2021, the Republic of Korea's population was 51,848,397.
Is the population of the Republic of Korea increasing or decreasing?
The Republic of Korea's population grew 5.5% over the previous ten years, and is projected to reach 45,143,134 by 2050.
How old is the population of the Republic of Korea?
The median age in the Republic of Korea is 44.4 years — half the population is younger, half older.
What share of the Republic of Korea's population is over 65 or under 15?
16.7% of the Republic of Korea's population is 65 or older, and 11.8% 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.

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