The population of Republic of Korea is expected to grow by 141,000 in 2023 and reach 52,540,000 in 2024. Migration (including immigration and emigration) increases population by 40,000 people yearly. The population density of South Korea has changed from 395.2 in 1980 to 531.4 in 2021.
| Current population | 52,462,699 people at present (Monday 5th of June 2023) | |
| Median Age | 43.4 years |
| Population density | 534.4 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2023 | 52,405,000 | 141,000 (0.3%) | 40,000 | 43.4 | 534 | 43,757,000 (83.5%) | |
| 2022 | 52,264,000 | 147,000 (0.3%) | 40,000 | 43.0 | 533 | 43,568,000 (83.4%) | |
| 2021 | 52,117,000 | 155,000 (0.3%) | 40,000 | 42.6 | 531 | 43,375,000 (83.2%) | |
| 2020 | 51,962,000 | 165,000 (0.3%) | 40,000 | 42.2 | 1.36 | 530 | 43,176,000 (83.1%) |
| 2019 | 0 | 0 (0.0%) | 40,000 | 41.8 | 1.34 | 528 | 42,973,000 (83.0%) |
| 2018 | 0 | 0 (0.0%) | 40,000 | 41.4 | 1.31 | 526 | 42,763,000 (82.8%) |
| 2017 | 0 | 0 (0.0%) | 40,000 | 41.0 | 1.29 | 524 | 42,547,000 (82.7%) |
| 2016 | 0 | 0 (0.0%) | 40,000 | 40.6 | 1.26 | 526 | 42,324,854 (82.6%) |
| 2015 | 51,014,947 | 268,288 (0.5%) | 40,000 | 40.1 | 1.24 | 523 | 42,074,067 (82.5%) |
| 2010 | 49,554,112 | 246,277 (0.5%) | 33,927 | 37.9 | 1.23 | 510 | 40,602,657 (81.9%) |
| 2005 | 48,184,561 | 102,042 (0.2%) | -31,307 | 35.5 | 1.08 | 498 | 39,195,731 (81.3%) |
| 2000 | 47,008,111 | 391,434 (0.8%) | 16,258 | 33.1 | 1.47 | 487 | 37,428,328 (79.6%) |
| 1995 | 45,092,991 | 451,451 (1.0%) | 31,868 | 31.2 | 1.63 | 467 | 35,280,305 (78.2%) |
| 1990 | 42,869,283 | 420,245 (1.0%) | 14,301 | 29.5 | 1.57 | 444 | 31,656,393 (73.8%) |
| 1985 | 40,805,744 | 399,788 (1.0%) | 34,125 | 27.5 | 1.66 | 423 | 26,473,134 (64.9%) |
| 1980 | 38,123,775 | 589,539 (1.6%) | 18,607 | 26.1 | 2.82 | 395 | 21,623,805 (56.7%) |
| 1975 | 35,280,725 | 588,459 (1.7%) | -33,029 | 24.7 | 3.43 | 366 | 16,946,391 (48.0%) |
| 1970 | 32,240,827 | 696,561 (2.2%) | -41,981 | 23.9 | 4.53 | 334 | 13,123,306 (40.7%) |
| 1965 | 28,704,674 | 720,519 (2.5%) | -9,729 | 23.3 | 5.13 | 298 | 9,286,249 (32.4%) |
| 1960 | 25,012,374 | 753,299 (2.9%) | 7,967 | 23.2 | 6.10 | 261 | 6,930,929 (27.7%) |
In 2022 the population of South Korea was 52,264,000 and the average age increased from 23.2 in 1960 to 43.0. Urban population has increased from 37,428,328 (79.6%) in 2000 to 43,757,000 (83.5%) in the current year. The population density of South Korea has changed from 395.2 in 1980 to 531.4 in 2021.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | 40,000 | 42.2 | 1.36 | 530 | 43,176,000 (83.1%) |
| 2025 | 52,668,000 | 128,000 (0.2%) | 40,000 | 44.1 | 1.43 | 537 | 44,125,000 (83.8%) |
| 2030 | 53,178,000 | 80,000 (0.2%) | 40,000 | 45.7 | 1.49 | 542 | 44,949,000 (84.5%) |
| 2035 | 53,292,000 | -24,000 (-0.1%) | 40,000 | 47.2 | 1.54 | 543 | 45,466,000 (85.3%) |
| 2040 | 52,793,000 | -149,000 (-0.3%) | 40,000 | 48.6 | 1.59 | 539 | 45,461,000 (86.1%) |
| 2045 | 51,779,000 | -229,000 (-0.4%) | 40,000 | 49.7 | 1.62 | 531 | 44,984,000 (86.9%) |
| 2050 | 50,503,000 | -274,000 (-0.5%) | 40,000 | 50.5 | 1.65 | 519 | 44,243,000 (87.6%) |
The life expectancy at birth should reach 87.4 (84.6 years for male and 90.4 years for females). Population density will go up to 518.9 people per square kilometer.
The demographics of South Korea constitutes of 26,212,000 women and 26,193,000 men, which means there are 999 men per 1000 women. As far as age distribution goes, 17.6% of population (9,233,761) is 19 or younger, 64.3% of population (33,696,415) is between age 20 and 64 and 18.1% of population (9,480,065) is over 65.