Skip to content

Population in South Korea compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of South Korea was 51,684,564 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current South Korea's population is 51,624,449 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 1.36 times bigger than South Korea's.
  • South Korea is ranked the 31st most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 1.46% of the world: 0.62% for South Korea vs 0.84% for the United Kingdom.
  • For the last 10 years, South Korea has had an average growth rate of +0.17% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of South Korea has increased from 48.4M people to 51.6M (6.58% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

South Korea vs United Kingdom: population by year and forecast

South Korea
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
South Korea United Kingdom
2100 22,001,649 74,517,005
2099 22,324,514 74,647,273
2098 22,657,541 74,766,073
2097 22,998,315 74,879,923
2096 23,348,632 74,991,940
2095 23,711,049 75,102,041
2094 24,081,510 75,198,597
2093 24,460,970 75,296,704
2092 24,848,715 75,390,038
2091 25,242,926 75,480,137
2090 25,642,926 75,566,962
2089 26,048,094 75,649,353
2088 26,457,020 75,721,067
2087 26,871,556 75,791,990
2086 27,288,450 75,859,854
2085 27,710,065 75,918,647
2084 28,133,600 75,969,065
2083 28,564,090 76,018,614
2082 28,998,646 76,059,464
2081 29,441,497 76,086,593
2080 29,887,135 76,118,679
2079 30,337,095 76,147,352
2078 30,793,984 76,165,841
2077 31,258,278 76,183,437
2076 31,728,826 76,185,828
2075 32,205,338 76,198,349
2074 32,689,892 76,209,676
2073 33,180,187 76,218,781
2072 33,679,874 76,211,187
2071 34,187,068 76,200,495
2070 34,702,204 76,190,801
2069 35,224,472 76,184,140
2068 35,745,164 76,183,288
2067 36,274,411 76,175,881
2066 36,808,495 76,168,987
2065 37,349,660 76,168,193
2064 37,897,742 76,165,129
2063 38,450,082 76,165,534
2062 39,009,227 76,158,910
2061 39,565,102 76,156,587
2060 40,130,032 76,157,104
2059 40,692,438 76,157,593
2058 41,256,780 76,139,384
2057 41,813,259 76,119,478
2056 42,356,530 76,086,799
2055 42,888,143 76,047,952
2054 43,405,840 75,980,524
2053 43,917,075 75,907,047
2052 44,419,192 75,815,200
2051 44,901,452 75,709,173
2050 45,362,931 75,591,218
2049 45,809,553 75,460,140
2048 46,235,718 75,313,837
2047 46,645,885 75,153,802
2046 47,033,200 74,986,563
2045 47,409,815 74,808,886
2044 47,773,842 74,623,687
2043 48,120,989 74,424,133
2042 48,455,085 74,224,922
2041 48,782,206 74,020,934
2040 49,091,438 73,812,680
2039 49,388,464 73,600,788
2038 49,669,835 73,378,310
2037 49,932,869 73,155,497
2036 50,175,947 72,921,995
2035 50,401,135 72,671,687
2034 50,607,994 72,418,766
2033 50,796,030 72,145,065
2032 50,961,878 71,869,259
2031 51,109,725 71,581,519
2030 51,242,628 71,267,237
2029 51,360,529 70,948,992
2028 51,461,403 70,609,246
2027 51,551,313 70,248,858
2026 51,624,449 69,883,746
2025 51,684,564 69,487,000
2024 51,751,065 69,281,000
2023 51,712,619 68,526,000
2022 51,672,569 67,636,000
2021 51,769,539 66,978,000
2020 51,836,239 66,740,000
2019 51,764,822 66,628,000
2018 51,585,058 66,287,000
2017 51,361,911 65,964,000
2016 51,217,803 65,606,000
2015 51,014,947 65,087,000
2014 50,746,659 64,619,000
2013 50,428,893 64,138,000
2012 50,199,853 63,711,000
2011 49,936,638 63,258,810
2010 49,554,112 62,766,365
2009 49,307,835 62,276,270
2008 49,054,708 61,806,995
2007 48,683,638 61,322,463
2006 48,438,292 60,846,820
2005 48,184,561 60,401,206
2004 48,082,519 59,987,905
2003 47,892,330 59,647,577
2002 47,644,736 59,370,479
2001 47,370,164 59,119,673
2000 47,008,111 58,892,514
1999 46,616,677 58,682,466
1998 46,286,503 58,487,141
1997 45,953,580 58,316,954
1996 45,524,681 58,166,950
1995 45,092,991 58,019,030
1994 44,641,540 57,865,745
1993 44,194,628 57,718,614
1992 43,747,962 57,580,402
1991 43,295,704 57,424,897
1990 42,869,283 57,247,586
1989 42,449,038 57,076,711
1988 42,031,247 56,928,327
1987 41,621,690 56,802,050
1986 41,213,674 56,681,396
1985 40,805,744 56,550,268
1984 40,405,956 56,422,072
1983 39,910,403 56,332,848
1982 39,326,352 56,313,641
1981 38,723,248 56,333,829
1980 38,123,775 56,314,216
1979 37,534,236 56,246,951
1978 36,969,185 56,196,504
1977 36,411,795 56,193,492
1976 35,848,523 56,211,968
1975 35,280,725 56,225,800
1974 34,692,266 56,229,974
1973 34,103,149 56,194,527
1972 33,505,406 56,086,065
1971 32,882,704 55,896,223
1970 32,240,827 55,663,250
1969 31,544,266 55,441,750
1968 30,838,302 55,211,700
1967 30,130,983 54,943,600
1966 29,435,571 54,648,500
1965 28,704,674 54,348,050
1964 27,984,155 54,000,000
1963 27,261,747 53,650,000
1962 26,513,030 53,250,000
1961 25,765,673 52,800,000
1960 25,012,374 52,400,000

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/south-korea/united-kingdom | CC BY

From 2006 to 2016, the population of South Korea increased by 2,779,511 people (a 5.74% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, South Korea gained 406,646 people (a 0.79% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

South Korea was ranked 25th most populous country in 2006 and is 31st in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) South Korea's population will shrink by 12.1% to 45,362,931 people with a rank change from 31st to 48th. The population of the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

The United Kingdom is projected to reach its peak in 2073 at 76.2M people, while South Korea's population already peaked in 2020 at 51.8M people and is projected to decrease to 22M people by 2100.

Population growth rate by year

South Korea
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
South Korea United Kingdom
2100 -1.45% -0.17%
2099 -1.47% -0.16%
2098 -1.48% -0.15%
2097 -1.5% -0.15%
2096 -1.53% -0.15%
2095 -1.54% -0.13%
2094 -1.55% -0.13%
2093 -1.56% -0.12%
2092 -1.56% -0.12%
2091 -1.56% -0.11%
2090 -1.56% -0.11%
2089 -1.55% -0.09%
2088 -1.54% -0.09%
2087 -1.53% -0.09%
2086 -1.52% -0.08%
2085 -1.51% -0.07%
2084 -1.51% -0.07%
2083 -1.5% -0.05%
2082 -1.5% -0.04%
2081 -1.49% -0.04%
2080 -1.48% -0.04%
2079 -1.48% -0.02%
2078 -1.49% -0.02%
2077 -1.48% -0.003%
2076 -1.48% -0.02%
2075 -1.48% -0.01%
2074 -1.48% -0.01%
2073 -1.48% 0.01%
2072 -1.48% 0.01%
2071 -1.48% 0.01%
2070 -1.48% 0.009%
2069 -1.46% 0.001%
2068 -1.46% 0.01%
2067 -1.45% 0.009%
2066 -1.45% 0.001%
2065 -1.45% 0.004%
2064 -1.44% -0%
2063 -1.43% 0.009%
2062 -1.4% 0.003%
2061 -1.41% -0.001%
2060 -1.38% -0.001%
2059 -1.37% 0.02%
2058 -1.33% 0.03%
2057 -1.28% 0.04%
2056 -1.24% 0.05%
2055 -1.19% 0.09%
2054 -1.16% 0.1%
2053 -1.13% 0.12%
2052 -1.07% 0.14%
2051 -1.02% 0.16%
2050 -0.97% 0.17%
2049 -0.92% 0.19%
2048 -0.88% 0.21%
2047 -0.82% 0.22%
2046 -0.79% 0.24%
2045 -0.76% 0.25%
2044 -0.72% 0.27%
2043 -0.69% 0.27%
2042 -0.67% 0.28%
2041 -0.63% 0.28%
2040 -0.6% 0.29%
2039 -0.57% 0.3%
2038 -0.53% 0.3%
2037 -0.48% 0.32%
2036 -0.45% 0.34%
2035 -0.41% 0.35%
2034 -0.37% 0.38%
2033 -0.33% 0.38%
2032 -0.29% 0.4%
2031 -0.26% 0.44%
2030 -0.23% 0.45%
2029 -0.2% 0.48%
2028 -0.17% 0.51%
2027 -0.14% 0.52%
2026 -0.12% 0.57%
2025 -0.13% 0.3%
2024 0.07% 1.1%
2023 0.08% 1.32%
2022 -0.19% 0.98%
2021 -0.13% 0.36%
2020 0.14% 0.17%
2019 0.35% 0.51%
2018 0.43% 0.49%
2017 0.28% 0.55%
2016 0.4% 0.8%
2015 0.53% 0.72%
2014 0.63% 0.75%
2013 0.46% 0.67%
2012 0.53% 0.71%
2011 0.77% 0.78%
2010 0.5% 0.79%
2009 0.52% 0.76%
2008 0.76% 0.79%
2007 0.51% 0.78%
2006 0.53% 0.74%
2005 0.21% 0.69%
2004 0.4% 0.57%
2003 0.52% 0.47%
2002 0.58% 0.42%
2001 0.77% 0.39%
2000 0.84% 0.36%
1999 0.71% 0.33%
1998 0.72% 0.29%
1997 0.94% 0.26%
1996 0.96% 0.25%
1995 1.01% 0.26%
1994 1.01% 0.25%
1993 1.02% 0.24%
1992 1.04% 0.27%
1991 0.99% 0.31%
1990 0.99% 0.3%
1989 0.99% 0.26%
1988 0.98% 0.22%
1987 0.99% 0.21%
1986 1% 0.23%
1985 0.99% 0.23%
1984 1.24% 0.16%
1983 1.49% 0.03%
1982 1.56% -0.04%
1981 1.57% 0.03%
1980 1.57% 0.12%
1979 1.53% 0.09%
1978 1.53% 0.005%
1977 1.57% -0.03%
1976 1.61% -0.02%
1975 1.7% -0.007%
1974 1.73% 0.06%
1973 1.78% 0.19%
1972 1.89% 0.34%
1971 1.99% 0.42%
1970 2.21% 0.4%
1969 2.29% 0.42%
1968 2.35% 0.49%
1967 2.36% 0.54%
1966 2.55% 0.55%
1965 2.57% 0.64%
1964 2.65% 0.65%
1963 2.82% 0.75%
1962 2.9% 0.85%
1961 3.01% 0.76%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/south-korea/united-kingdom | CC BY

In 2025, the population of South Korea declined by 0.13%, while the United Kingdom's population grew by 0.3%.

Live population counters

South Korea United Kingdom
Current population
51624449
70071289
Population rank 31/197 22/197
Percent of world population 0.62% 0.84%
One net population change
7.93 minutes
2.56 minutes
One birth every
2.16 minutes
46 seconds
One death every
1.45 minutes
46.9 seconds
Daily growth/decline -182 +564
Annual growth/decline -66,501 +206,000
Annual growth/decline rate -0.13% +0.3%
Population growth rate rank 169/197 145/197
One migration net change every
8.02 minutes
1.35 minutes
Annual migration change +65,731 +389,911
Net migration rank 20/196 4/196
Foreign-born residents 1,811,507 11,845,479
Foreign-born residents rank 40/195 4/195
Foreign-born share of population 3.5% 17.1%
Foreign-born share rank 111/195 36/195

Natural population change vs migration

South Korea
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
South Korea United Kingdom
Natural Migration Natural Migration
2025 - 65,731 - 389,911
2024 -119,027 75,963 13,233 417,114
2023 -124,111 87,800 34,606 445,523
2022 -124,014 87,800 39,770 487,029
2021 -56,947 -16,778 30,609 462,967
2020 -31,101 112,631 -4,272 144,221
2019 10,353 128,622 108,338 232,727
2018 30,951 118,220 119,317 259,744
2017 71,907 104,029 145,121 272,311
2016 122,923 91,568 177,136 324,649
2015 163,248 276,427 175,735 347,839
2014 167,464 308,037 206,781 306,091
2013 166,415 301,926 198,827 237,272
2012 215,859 281,866 248,473 172,088
2011 214,728 269,958 259,361 228,773
2010 213,083 52,042 251,066 274,811
2009 197,231 5,308 230,422 249,639
2008 215,841 -19,630 216,325 263,390
2007 248,286 -42,293 196,232 309,385
2006 203,441 -28,434 176,455 288,923
2005 187,920 -47,821 144,963 308,279
2004 225,988 -42,549 131,974 276,077
2003 244,251 -31,994 89,471 211,846
2002 247,752 -18,105 65,308 203,577
2001 312,643 -28,006 65,032 175,133
2000 390,167 -84,960 70,671 153,917
1999 368,272 -107,448 64,551 152,653
1998 393,436 -98,044 87,730 125,541
1997 422,773 -109,130 99,138 59,723
1996 446,142 -115,705 98,884 54,964
1995 468,967 -208,491 87,028 61,385
1994 473,200 -208,309 127,304 45,339
1993 477,302 -222,802 103,893 27,403
1992 494,352 -265,849 149,709 17,846
1991 467,594 -270,754 143,562 27,601
1990 411,546 79,294 154,569 57,132
1989 403,266 186,120 119,861 49,586
1988 399,297 192,534 136,628 13,952
1987 378,758 198,057 136,325 8,266
1986 395,651 189,782 90,690 41,836
1985 416,219 97,949 79,170 83,164
1984 436,384 101,394 84,633 71,107
1983 514,844 102,167 61,966 27,063
1982 605,626 48,638 56,314 -61,152
1981 631,189 18,442 73,234 -83,876
1980 583,294 -148,341 95,734 -25,187
1979 623,068 -139,566 61,872 11,255
1978 499,084 -85,721 16,859 3,783
1977 578,947 -90,737 0 -21,636
1976 530,558 -92,314 -5,621 -19,135
1975 603,300 -52,332 33,735 -40,241
1974 673,030 27,005 67,476 -65,710
1973 699,115 35,779 112,389 -33,840
1972 740,469 25,382 162,650 -1,406
1971 789,185 -6,326 257,123 1,175
1970 747,987 -27,999 244,918 -15,254
1969 694,227 -21,175 260,577 -60,655
1968 684,487 -16,868 292,622 -38,852
1967 692,169 -16,484 346,145 -39,659
1966 623,534 -16,688 333,356 -27,935
1965 641,090 -146,386 364,132 -24,955
1964 655,501 -102,284 405,000 -23,885
1963 685,824 -80,226 337,995 8,271
1962 712,590 -94,606 340,800 76,443
1961 730,173 -93,179 311,519 52,295
1960 728,010 47,245 314,400 19,953

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/south-korea/united-kingdom | CC BY

Over the last 10 years, 4.97% of the population change in South Korea is from natural causes (a loss of 55,818 people) and 95% is from migration (a gain of 1,066,282 people). In the United Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 people).

As of 2024, 1,811,507 residents or 3.5% of the population were not native-born in South Korea, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

South Korea
City Population
Seoul 9.67M
Busan 3.45M
Incheon 3.05M
Daegu 2.38M
Daejeon 1.48M
Gwangju 1.41M
Suwon 1.23M
Ulsan 1.13M
Yongin 1.08M
Goyang 1.06M
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/south-korea/united-kingdom | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.