Republic of Korea Population clock (live)

51,612,828
Current population
25,726,815
Current male population (49.8%)
25,886,013
Current female population (50.2%)
222,223
Births year to date
1,236
Births today
134,159
Deaths year to date
746
Deaths today
29,355
Net migration year to date
163
Net migration today
117,419
Population growth year to date
653
Population growth today

21-06-2021 21:56:46

Source : United Nations Department of Economic and Social Affairs: Population Division external link .

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Please note that the population clock above does not reflect actual migration situation due to movement restrictions.



Quick facts about the population of Republic of Korea

Current population (as of Monday, June 21, 2021)
51,612,175
Population rank
28 (0.65% of world population)
Total area
99,720 km2 (38,502 mi2)
Population density
517.6 per km2 (1,340.5 people/mi2)
Sex ratio
0.99 (25,726,815 men to 25,886,013 women)
Median age
40.8 years
Life expectancy
79.1 years (75.8 - men, 82.5 - women)

(Population figures are estimates by Countrymeters based on the latest United Nations data)

Republic of Korea population 2021

During 2021 Republic of Korea population is projected to increase by 249,238 people and reach 51,744,647 in the beginning of 2022. The natural increase is expected to be positive, as the number of births will exceed the number of deaths by 186,928. If external migration will remain on the previous year level, the population will be increased by 62,309 due to the migration reasons. It means that the number of people who move into Republic of Korea (to which they are not native) in order to settle there as permanent residents (immigrants) will prevail over the number of people who leave the country to settle permanently in another country (emigrants).

Population change rates in 2021

According to our estimations, daily change rates of Republic of Korea population in 2021 will be the following:

The population of Republic of Korea will be increasing by 683 persons daily in 2021.

Demographics of Republic of Korea 2020

As of 1 January 2021, the population of Republic of Korea was estimated to be 51,495,409 people. This is an increase of 0.48 % (248,037 people) compared to population of 51,247,372 the year before. In 2020 the natural increase was positive, as the number of births exceeded the number of deaths by 186,028. Due to external migration, the population increased by 62,009. The sex ratio of the total population was 0.994 (994 males per 1,000 females) which is lower than global sex ratio. The global sex ratio in the world was approximately 1,016 males to 1,000 females as of 2020.

Below are the key figures for Republic of Korea population in 2020:

Growth Rate 1952 - 2021

Republic of Korea population density

Republic of Korea population density is 516.4 people per square kilometer (1,337.5/mi2) as of June 2021. Density of population is calculated as permanently settled population of Republic of Korea divided by total area of the country. Total area is the sum of land and water areas within international boundaries and coastlines of Republic of Korea. The total area of Republic of Korea is 99,720 km2 (38,502 mi2) according to the United Nations Statistics Division external link.

Religion in Republic of Korea

Religion Number of followers Percentage of
total population
Religiously Unaffiliated23,948,04946.4 %
Christianity15,173,97929.4 %
Buddhism11,819,18822.9 %
Folk or traditional religions412,8970.8 %
Other154,8370.3 %
Islam103,2240.2 %

Source: Pew Research Center. The Global Religious Landscape external link.

Number of followers estimated by Countrymeters external link (Monday, June 21 2021).

Republic of Korea age structure

As of the beginning of 2021 according to our estimates Republic of Korea had the following population age distribution:

15.7 72.9 11.4

- percentage of population under 15
- percentage of population between 15 and 64 years old
- percentage of population 65+

In absolute figures (estimate):

We prepared a simplified model of the population distribution pyramid which is broken down into 3 main age groups. The groups are the same as we used above: population under 15, between 15 and 64 and population which is over 65 year old.

65+
15-64
0-14
male female

Note: The pyramid provided is not corresponding to data given above because the age groups have different number of years.

As we can see the Republic of Korea population pyramid has a contracting type. This type of pyramid is more common for highly developed countries with low birth and death rates. Usually countries with such kind of population age distribution model have long life expectancy, high level of education and good health care.

Source: The estimation data for section "Republic of Korea age structure" is based on the latest demographic and social statistics by United Nations Statistics Division external link.

Age dependency ratio

Dependency ratio of population is a ratio of people who are generally not in the labor force (the dependents) to workforce of a country (the productive part of population). The dependent part includes the population under 15 years old and people aged 65 and over. The productive part of population accordingly consists of population between 15 and 64 years.

This ratio shows the pressure on productive population produced by the dependent part of population.

The total dependency ratio of population in Republic of Korea is 37.1 %.

The value of 37.1 % is relatively low. It shows that the dependent part of population is less than a half of the working part. In other words the working population (labor force) in Republic of Korea must provide goods for itself and cover expenditure on children and aged persons. And this part of population is less than 50% of working population. The value of less than 50% means that the pressure on productive population in Republic of Korea is relatively low.

Child dependency ratio

Child dependency ratio is a ratio of people below working age (under 15) to workforce of a country.

Child dependency ratio in Republic of Korea is 21.5 %.

Aged dependency ratio

Aged dependency ratio is a ratio of people above working age (65+) to workforce of a country.

Aged dependency ratio in Republic of Korea is 15.7 %.

Source: The estimation data for section "Republic of Korea age dependency ratio" is based on the latest demographic and social statistics by United Nations Statistics Division external link.

Life expectancy

Life expectancy at birth is one of the most important demographic indicator. It shows the number of years a newborn infant would live assuming that birth and death rates will remain at the same level during the whole lifetime.

Total life expectancy (both sexes) at birth for Republic of Korea is 79.1 years.
This is above the average life expectancy at birth of the global population which is about 71 years (according to Population Division of the Department of Economic and Social Affairs of the United Nations). external link

Male life expectancy at birth is 75.8 years.
Female life expectancy at birth is 82.5 years.

Republic of Korea historical population (1951 - 2021)

The data is given as of 1st of January of an year.

Republic of Korea population history

YearPopulationGrowth Rate
195119,333,005N/A %
195219,636,2051.57 %
195320,057,4412.15 %
195420,580,9982.61 %
195521,192,0072.97 %
195621,872,8993.21 %
195722,608,7843.36 %
195823,377,9673.40 %
195924,162,4093.36 %
196024,943,3063.23 %
196125,709,8743.07 %
196226,451,0472.88 %
196327,167,7112.71 %
196427,865,5302.57 %
196528,555,4652.48 %
196629,236,8382.39 %
196729,907,3522.29 %
196830,566,1202.20 %
196931,220,5782.14 %
197031,872,4342.09 %
197132,525,8942.05 %
197233,180,4152.01 %
197333,832,9681.97 %
197434,470,0641.88 %
197535,082,2281.78 %
197635,661,8841.65 %
197736,210,9211.54 %
197836,735,9301.45 %
197937,253,8791.41 %
198037,779,9141.41 %
198138,326,2341.45 %
198238,891,1091.47 %
198339,463,8611.47 %
198440,023,5101.42 %
198540,552,4061.32 %
198641,036,6581.19 %
198741,477,5761.07 %
198841,887,7100.99 %
198942,290,5960.96 %
199042,706,5640.98 %
199143,147,6511.03 %
199243,611,9841.08 %
199344,093,6311.10 %
199444,579,5471.10 %
199545,058,2371.07 %
199645,523,0251.03 %
199745,975,3680.99 %
199846,410,1220.95 %
199946,820,4530.88 %
200047,199,0840.81 %
200147,544,0750.73 %
200247,854,0940.65 %
200348,131,3000.58 %
200448,377,8030.51 %
200548,598,1050.46 %
200648,791,4960.40 %
200748,958,2650.34 %
200849,109,0390.31 %
200949,265,6320.32 %
201049,447,3580.37 %
201149,666,8840.44 %
201249,924,1460.52 %
201350,204,3510.56 %
201450,477,8890.54 %
201550,716,3800.47 %
201650,903,7050.37 %
201751,040,3910.27 %
201851,134,3630.18 %
201951,198,7310.13 %
202051,247,3720.10 %
202151,495,4090.48 %

The data is given as of 1st of January of an year.

Population projection (2020-2100)

YearPopulationGrowth Rate
202051,506,981N/A %
202552,219,3391.38 %
203052,701,8180.92 %
203552,805,8490.20 %
204052,409,404-0.75 %
204551,586,188-1.57 %
205050,456,831-2.19 %
205549,131,719-2.63 %
206047,720,982-2.87 %
206546,314,887-2.95 %
207044,924,618-3.00 %
207543,565,648-3.03 %
208042,294,440-2.92 %
208541,145,387-2.72 %
209040,174,642-2.36 %
209539,356,818-2.04 %
210038,707,133-1.65 %

The data is given as of 1st of July of an year (medium fertility variant).

Source : United Nations Department of Economic and Social Affairs: Population Division external link