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

Updated on by Georank team

The latest officially reported population of South Korea was 51,751,065 in 2024 vs 341,784,857 people in the United States in 2025. In 2026, based on the adjusted UN estimation, the current South Korea's population is 51,649,918 people compared to 344,023,146 in the United States.

Population statistics:

  • The United States' population is 6.66 times bigger than South Korea's.
  • South Korea is ranked the 31st most populous country in the world, while the United States is the 3rd.
  • The countries together account for 4.77% of the world: 0.62% for South Korea vs 4.15% for the United States.
  • For the last 10 years, South Korea has had an average growth rate of +0.24% per year vs +0.65% in the United States.
  • Since 2006, the population of South Korea has increased from 48.4M people to 51.6M (6.63% growth), while the United States has grown from 298M to 344M (15.3% growth).

South Korea vs United States: population by year and forecast

South Korea
Factual

Projection
United States
Factual

Projection
1x
Year Population
South Korea United States
2100 22,012,503 415,429,771
2099 22,335,528 414,829,167
2098 22,668,719 414,231,720
2097 23,009,661 413,576,381
2096 23,360,151 412,927,393
2095 23,722,747 412,225,379
2094 24,093,391 411,498,749
2093 24,473,038 410,785,729
2092 24,860,975 410,051,921
2091 25,255,379 409,320,183
2090 25,655,577 408,613,732
2089 26,060,945 407,885,645
2088 26,470,073 407,129,733
2087 26,884,813 406,421,298
2086 27,301,913 405,715,343
2085 27,723,736 405,059,379
2084 28,147,480 404,343,130
2083 28,578,182 403,612,785
2082 29,012,953 402,871,293
2081 29,456,022 402,054,554
2080 29,901,880 401,319,194
2079 30,352,062 400,554,914
2078 30,809,176 399,737,968
2077 31,273,700 398,906,565
2076 31,744,480 398,035,750
2075 32,221,226 397,109,170
2074 32,706,020 396,226,412
2073 33,196,556 395,307,725
2072 33,696,490 394,393,561
2071 34,203,935 393,415,363
2070 34,719,324 392,469,727
2069 35,241,850 391,479,981
2068 35,762,799 390,517,695
2067 36,292,307 389,543,856
2066 36,826,655 388,597,719
2065 37,368,086 387,685,327
2064 37,916,439 386,805,026
2063 38,469,051 385,911,917
2062 39,028,473 385,032,627
2061 39,584,621 384,170,837
2060 40,149,830 383,361,269
2059 40,712,514 382,542,030
2058 41,277,134 381,704,804
2057 41,833,887 380,907,023
2056 42,377,427 380,159,777
2055 42,909,302 379,430,756
2054 43,427,254 378,682,851
2053 43,938,741 377,878,421
2052 44,441,106 377,073,303
2051 44,923,604 376,229,840
2050 45,385,311 375,373,155
2049 45,832,153 374,493,150
2048 46,258,529 373,590,762
2047 46,668,898 372,626,259
2046 47,056,404 371,644,809
2045 47,433,205 370,602,914
2044 47,797,411 369,518,897
2043 48,144,730 368,375,680
2042 48,478,991 367,158,772
2041 48,806,273 365,937,822
2040 49,115,658 364,671,837
2039 49,412,830 363,367,337
2038 49,694,340 361,997,023
2037 49,957,504 360,606,236
2036 50,200,702 359,193,245
2035 50,426,000 357,750,686
2034 50,632,962 356,266,726
2033 50,821,090 354,775,032
2032 50,987,020 353,259,037
2031 51,134,940 351,721,511
2030 51,267,908 350,155,042
2029 51,385,868 348,564,667
2028 51,486,791 346,906,294
2027 51,576,746 345,257,605
2026 51,649,918 343,565,426
2025 51,710,062 341,784,857
2024 51,751,065 340,110,988
2023 51,712,619 334,914,895
2022 51,672,569 333,271,411
2021 51,769,539 331,893,745
2020 51,836,239 331,526,933
2019 51,764,822 328,329,953
2018 51,585,058 326,838,199
2017 51,361,911 325,122,128
2016 51,217,803 323,071,755
2015 51,014,947 320,738,994
2014 50,746,659 318,386,329
2013 50,428,893 316,059,947
2012 50,199,853 313,877,662
2011 49,936,638 311,583,481
2010 49,554,112 309,327,143
2009 49,307,835 306,771,529
2008 49,054,708 304,093,966
2007 48,683,638 301,231,207
2006 48,438,292 298,379,912
2005 48,184,561 295,516,599
2004 48,082,519 292,805,298
2003 47,892,330 290,107,933
2002 47,644,736 287,625,193
2001 47,370,164 284,968,955
2000 47,008,111 282,162,411
1999 46,616,677 279,294,713
1998 46,286,503 276,115,288
1997 45,953,580 272,911,760
1996 45,524,681 269,667,391
1995 45,092,991 266,557,091
1994 44,641,540 263,435,673
1993 44,194,628 260,255,352
1992 43,747,962 256,894,189
1991 43,295,704 253,492,503
1990 42,869,283 250,131,894
1989 42,449,038 246,819,222
1988 42,031,247 244,499,004
1987 41,621,690 242,288,936
1986 41,213,674 240,132,831
1985 40,805,744 237,923,734
1984 40,405,956 235,824,908
1983 39,910,403 233,792,014
1982 39,326,352 231,664,432
1981 38,723,248 229,465,744
1980 38,123,775 226,542,250
1979 37,534,236 225,055,487
1978 36,969,185 222,584,545
1977 36,411,795 220,239,425
1976 35,848,523 218,035,164
1975 35,280,725 215,973,199
1974 34,692,266 213,853,928
1973 34,103,149 211,908,788
1972 33,505,406 209,896,021
1971 32,882,704 207,660,677
1970 32,240,827 205,052,174
1969 31,544,266 202,676,946
1968 30,838,302 200,706,052
1967 30,130,983 198,712,056
1966 29,435,571 196,560,338
1965 28,704,674 194,302,963
1964 27,984,155 191,888,791
1963 27,261,747 189,241,798
1962 26,513,030 186,537,737
1961 25,765,673 183,691,481
1960 25,012,374 180,671,158

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); World Bank | Health (1960–2024, retrieved 2026-04-06).

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

From 2006 to 2016, the population of South Korea increased by 2,779,511 people (a 5.74% growth), while the United States gained 24,691,843 people (a 8.28% growth).

For the next 10 years, from 2016 to 2026, South Korea gained 432,115 people (a 0.84% growth), while the United States' population increased by 20,951,391 people (a 6.49% growth).

South Korea was ranked 25th most populous country in 2006 and is 31st in 2026. The United States was ranked 3rd in 2006 and still ranked 3rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) South Korea's population will shrink by 12.1% to 45,385,311 people with a rank change from 31st to 48th. The population of the United States will increase by 9.11% to 375,373,155 people and will still be ranked 3rd.

The United States is projected to reach its peak in 2100 at 415M 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 States
Factual

Projection
1x
Year Growth rate
South Korea United States
2100 -1.45% 0.14%
2099 -1.47% 0.14%
2098 -1.48% 0.16%
2097 -1.5% 0.16%
2096 -1.53% 0.17%
2095 -1.54% 0.18%
2094 -1.55% 0.17%
2093 -1.56% 0.18%
2092 -1.56% 0.18%
2091 -1.56% 0.17%
2090 -1.56% 0.18%
2089 -1.55% 0.19%
2088 -1.54% 0.17%
2087 -1.53% 0.17%
2086 -1.52% 0.16%
2085 -1.51% 0.18%
2084 -1.51% 0.18%
2083 -1.5% 0.18%
2082 -1.5% 0.2%
2081 -1.49% 0.18%
2080 -1.48% 0.19%
2079 -1.48% 0.2%
2078 -1.49% 0.21%
2077 -1.48% 0.22%
2076 -1.48% 0.23%
2075 -1.48% 0.22%
2074 -1.48% 0.23%
2073 -1.48% 0.23%
2072 -1.48% 0.25%
2071 -1.48% 0.24%
2070 -1.48% 0.25%
2069 -1.46% 0.25%
2068 -1.46% 0.25%
2067 -1.45% 0.24%
2066 -1.45% 0.24%
2065 -1.45% 0.23%
2064 -1.44% 0.23%
2063 -1.43% 0.23%
2062 -1.4% 0.22%
2061 -1.41% 0.21%
2060 -1.38% 0.21%
2059 -1.37% 0.22%
2058 -1.33% 0.21%
2057 -1.28% 0.2%
2056 -1.24% 0.19%
2055 -1.19% 0.2%
2054 -1.16% 0.21%
2053 -1.13% 0.21%
2052 -1.07% 0.22%
2051 -1.02% 0.23%
2050 -0.97% 0.23%
2049 -0.92% 0.24%
2048 -0.88% 0.26%
2047 -0.82% 0.26%
2046 -0.79% 0.28%
2045 -0.76% 0.29%
2044 -0.72% 0.31%
2043 -0.69% 0.33%
2042 -0.67% 0.33%
2041 -0.63% 0.35%
2040 -0.6% 0.36%
2039 -0.57% 0.38%
2038 -0.53% 0.39%
2037 -0.48% 0.39%
2036 -0.45% 0.4%
2035 -0.41% 0.42%
2034 -0.37% 0.42%
2033 -0.33% 0.43%
2032 -0.29% 0.44%
2031 -0.26% 0.45%
2030 -0.23% 0.46%
2029 -0.2% 0.48%
2028 -0.17% 0.48%
2027 -0.14% 0.49%
2026 -0.12% 0.52%
2025 -0.08% 0.49%
2024 0.07% 1.55%
2023 0.08% 0.49%
2022 -0.19% 0.42%
2021 -0.13% 0.11%
2020 0.14% 0.97%
2019 0.35% 0.46%
2018 0.43% 0.53%
2017 0.28% 0.63%
2016 0.4% 0.73%
2015 0.53% 0.74%
2014 0.63% 0.74%
2013 0.46% 0.7%
2012 0.53% 0.74%
2011 0.77% 0.73%
2010 0.5% 0.83%
2009 0.52% 0.88%
2008 0.76% 0.95%
2007 0.51% 0.96%
2006 0.53% 0.97%
2005 0.21% 0.93%
2004 0.4% 0.93%
2003 0.52% 0.86%
2002 0.58% 0.93%
2001 0.77% 0.99%
2000 0.84% 1.03%
1999 0.71% 1.15%
1998 0.72% 1.17%
1997 0.94% 1.2%
1996 0.96% 1.17%
1995 1.01% 1.18%
1994 1.01% 1.22%
1993 1.02% 1.31%
1992 1.04% 1.34%
1991 0.99% 1.34%
1990 0.99% 1.34%
1989 0.99% 0.95%
1988 0.98% 0.91%
1987 0.99% 0.9%
1986 1% 0.93%
1985 0.99% 0.89%
1984 1.24% 0.87%
1983 1.49% 0.92%
1982 1.56% 0.96%
1981 1.57% 1.29%
1980 1.57% 0.66%
1979 1.53% 1.11%
1978 1.53% 1.06%
1977 1.57% 1.01%
1976 1.61% 0.95%
1975 1.7% 0.99%
1974 1.73% 0.92%
1973 1.78% 0.96%
1972 1.89% 1.08%
1971 1.99% 1.27%
1970 2.21% 1.17%
1969 2.29% 0.98%
1968 2.35% 1%
1967 2.36% 1.09%
1966 2.55% 1.16%
1965 2.57% 1.26%
1964 2.65% 1.4%
1963 2.82% 1.45%
1962 2.9% 1.55%
1961 3.01% 1.67%
1960 - 1.6%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); World Bank | Health (1961–2024, retrieved 2026-04-06).

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

In 2025, the population of South Korea grew by 0.07%, while the United States' population grew by 0.49%.

Live population counters

South Korea United States
Current population
51649918
344023146
Population rank 31/197 3/197
Percent of world population 0.62% 4.15%
One net population change
13.7 minutes
18.9 seconds
One birth every
2.26 minutes
8.8 seconds
One death every
1.69 minutes
10.2 seconds
Daily growth/decline +105 +4,586
Annual growth/decline +38,446 +1,673,869
Annual growth/decline rate +0.07% +0.49%
Population growth rate rank 160/197 134/197
One migration net change every
8.02 minutes
25.7 seconds
Annual migration change +65,731 +1,230,663
Net migration rank 20/196 2/196
Foreign-born residents 1,811,507 52,375,047
Foreign-born residents rank 40/195 1/195
Foreign-born share of population 3.5% 15.2%
Foreign-born share rank 111/195 41/195

Natural population change vs migration

South Korea
Natural

Migration
United States
Natural

Migration
1x
Year Population change
South Korea United States
Natural Migration Natural Migration
2025 - 65,731 - 1,230,663
2024 - 75,963 - 1,286,132
2023 -77,569 87,800 502,372 1,322,668
2022 -124,014 87,800 399,926 1,319,009
2021 -56,947 -16,778 199,137 674,787
2020 -31,101 112,631 208,862 329,769
2019 10,353 128,622 887,476 1,774,500
2018 30,951 118,220 955,022 1,764,961
2017 71,907 104,029 1,028,037 1,864,738
2016 122,923 91,568 1,197,627 1,889,129
2015 163,248 276,427 1,270,126 1,722,127
2014 167,464 308,037 1,357,281 1,672,598
2013 166,415 301,926 1,322,711 1,663,885
2012 215,859 281,866 1,411,822 1,632,007
2011 214,728 269,958 1,441,697 1,624,033
2010 213,083 52,042 1,548,182 1,594,453
2009 197,231 5,308 1,717,920 1,387,306
2008 215,841 -19,630 1,794,154 1,416,841
2007 248,286 -42,293 1,897,757 1,371,353
2006 203,441 -28,434 1,849,955 1,347,750
2005 187,920 -47,821 1,684,445 1,369,224
2004 225,988 -42,549 1,698,271 1,313,467
2003 244,251 -31,994 1,653,615 1,331,376
2002 247,752 -18,105 1,581,938 1,336,518
2001 312,643 -28,006 1,595,826 1,312,455
2000 390,167 -84,960 1,664,758 1,248,392
1999 368,272 -107,448 1,564,050 1,156,311
1998 393,436 -98,044 1,573,857 1,225,134
1997 422,773 -109,130 1,501,014 1,116,922
1996 446,142 -115,705 1,510,137 1,141,648
1995 468,967 -208,491 1,546,031 1,173,016
1994 473,200 -208,309 1,633,302 1,179,309
1993 477,302 -222,802 1,717,685 1,228,478
1992 494,352 -265,849 1,875,328 1,304,880
1991 467,594 -270,754 1,926,543 1,202,426
1990 411,546 79,294 2,026,068 1,084,720
1989 403,266 186,120 1,875,826 400,998
1988 399,297 192,534 1,735,943 460,778
1987 378,758 198,057 1,720,252 480,815
1986 395,651 189,782 1,656,917 493,082
1985 416,219 97,949 1,689,258 598,777
1984 436,384 101,394 1,627,192 622,793
1983 514,844 102,167 1,636,544 662,840
1982 605,626 48,638 1,714,317 600,149
1981 631,189 18,442 1,652,153 583,070
1980 583,294 -148,341 1,608,450 595,916
1979 623,068 -139,566 1,597,894 503,559
1978 499,084 -85,721 1,402,283 556,521
1977 578,947 -90,737 1,431,556 577,060
1976 530,558 -92,314 1,264,604 635,590
1975 603,300 -52,332 1,252,644 655,078
1974 673,030 27,005 1,218,968 706,978
1973 699,115 35,779 1,165,499 783,163
1972 740,469 25,382 1,301,355 833,543
1971 789,185 -6,326 1,640,519 833,549
1970 747,987 -27,999 1,824,965 744,902
1969 694,227 -21,175 1,702,487 523,740
1968 684,487 -16,868 1,565,507 594,514
1967 692,169 -16,484 1,669,181 585,410
1966 623,534 -16,688 1,749,387 637,692
1965 641,090 -146,386 1,943,030 644,902
1964 655,501 -102,284 2,245,099 618,635
1963 685,824 -80,226 2,289,826 639,495
1962 712,590 -94,606 2,406,337 625,617
1961 730,173 -93,179 2,571,681 580,333
1960 728,010 47,245 2,565,530 422,708

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06); U.S. Census Bureau (1960–2023, retrieved 2026-02-08).

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

Over the last 10 years, 17.6% of the population change in South Korea is from natural causes (a gain of 277,215 people) and 82.4% is from migration (a gain of 1,298,356 people). In the United States 35.8% is from natural causes (a gain of 8,005,866 people) and 64.2% is from migration (a gain of 14,334,286 people).

As of 2024, 1,811,507 residents or 3.5% of the population were not native-born in South Korea, compared to 52,375,047 people or 15.2% in the United States.

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 States
City Population
New York 8.8M
Los Angeles 3.9M
Chicago 2.75M
Houston 2.3M
Phoenix 1.61M
Philadelphia 1.6M
San Antonio 1.43M
San Diego 1.39M
Dallas 1.3M
San Jose 1.01M

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

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

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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