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Population in South Korea compared to Tanzania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of South Korea was 51,684,564 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current South Korea's population is 51,624,449 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 1.43 times bigger than South Korea's.
  • South Korea is ranked the 31st most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 1.51% of the world: 0.62% for South Korea vs 0.89% for Tanzania.
  • For the last 10 years, South Korea has had an average growth rate of +0.17% per year vs +3.11% in Tanzania.
  • Since 2006, the population of South Korea has increased from 48.4M people to 51.6M (6.58% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

South Korea vs Tanzania: population by year and forecast

South Korea
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
South Korea Tanzania
2100 22,001,649 265,471,550
2099 22,324,514 263,137,702
2098 22,657,541 260,784,676
2097 22,998,315 258,387,890
2096 23,348,632 255,972,277
2095 23,711,049 253,543,248
2094 24,081,510 251,095,452
2093 24,460,970 248,605,184
2092 24,848,715 246,083,651
2091 25,242,926 243,533,968
2090 25,642,926 240,979,094
2089 26,048,094 238,393,867
2088 26,457,020 235,775,056
2087 26,871,556 233,145,231
2086 27,288,450 230,474,072
2085 27,710,065 227,778,580
2084 28,133,600 225,090,075
2083 28,564,090 222,400,079
2082 28,998,646 219,697,321
2081 29,441,497 216,974,796
2080 29,887,135 214,235,505
2079 30,337,095 211,466,096
2078 30,793,984 208,688,171
2077 31,258,278 205,898,494
2076 31,728,826 203,086,766
2075 32,205,338 200,278,383
2074 32,689,892 197,449,196
2073 33,180,187 194,624,081
2072 33,679,874 191,805,820
2071 34,187,068 188,974,004
2070 34,702,204 186,134,634
2069 35,224,472 183,293,747
2068 35,745,164 180,458,385
2067 36,274,411 177,622,538
2066 36,808,495 174,786,430
2065 37,349,660 171,897,059
2064 37,897,742 169,048,435
2063 38,450,082 166,202,091
2062 39,009,227 163,354,473
2061 39,565,102 160,521,858
2060 40,130,032 157,707,240
2059 40,692,438 154,905,240
2058 41,256,780 152,106,040
2057 41,813,259 149,311,257
2056 42,356,530 146,505,507
2055 42,888,143 143,722,840
2054 43,405,840 140,970,467
2053 43,917,075 138,249,490
2052 44,419,192 135,540,803
2051 44,901,452 132,838,721
2050 45,362,931 130,145,345
2049 45,809,553 127,483,126
2048 46,235,718 124,809,212
2047 46,645,885 122,146,647
2046 47,033,200 119,511,124
2045 47,409,815 116,903,642
2044 47,773,842 114,318,843
2043 48,120,989 111,765,580
2042 48,455,085 109,231,423
2041 48,782,206 106,738,458
2040 49,091,438 104,262,479
2039 49,388,464 101,804,600
2038 49,669,835 99,370,760
2037 49,932,869 96,974,485
2036 50,175,947 94,592,848
2035 50,401,135 92,248,476
2034 50,607,994 89,920,872
2033 50,796,030 87,646,627
2032 50,961,878 85,401,853
2031 51,109,725 83,172,579
2030 51,242,628 80,989,443
2029 51,360,529 78,830,947
2028 51,461,403 76,723,335
2027 51,551,313 74,639,948
2026 51,624,449 72,582,361
2025 51,684,564 70,545,865
2024 51,751,065 68,560,157
2023 51,712,619 66,617,606
2022 51,672,569 64,711,821
2021 51,769,539 62,830,412
2020 51,836,239 60,972,798
2019 51,764,822 59,174,891
2018 51,585,058 57,437,145
2017 51,361,911 55,652,890
2016 51,217,803 53,824,013
2015 51,014,947 52,020,962
2014 50,746,659 50,351,512
2013 50,428,893 48,824,128
2012 50,199,853 47,374,260
2011 49,936,638 46,029,367
2010 49,554,112 44,758,488
2009 49,307,835 43,633,982
2008 49,054,708 42,570,728
2007 48,683,638 41,435,512
2006 48,438,292 40,294,902
2005 48,184,561 39,182,076
2004 48,082,519 38,109,668
2003 47,892,330 37,089,555
2002 47,644,736 36,121,304
2001 47,370,164 35,198,299
2000 47,008,111 34,260,139
1999 46,616,677 33,300,330
1998 46,286,503 32,420,458
1997 45,953,580 31,578,089
1996 45,524,681 30,945,762
1995 45,092,991 30,383,497
1994 44,641,540 29,442,356
1993 44,194,628 28,332,692
1992 43,747,962 27,457,588
1991 43,295,704 26,780,436
1990 42,869,283 26,110,207
1989 42,449,038 25,438,759
1988 42,031,247 24,769,686
1987 41,621,690 24,030,378
1986 41,213,674 23,258,959
1985 40,805,744 22,501,693
1984 40,405,956 21,779,066
1983 39,910,403 21,079,874
1982 39,326,352 20,398,571
1981 38,723,248 19,784,703
1980 38,123,775 19,189,769
1979 37,534,236 18,592,038
1978 36,969,185 17,976,566
1977 36,411,795 17,352,929
1976 35,848,523 16,736,211
1975 35,280,725 16,138,361
1974 34,692,266 15,561,630
1973 34,103,149 15,010,101
1972 33,505,406 14,479,308
1971 32,882,704 13,971,451
1970 32,240,827 13,492,677
1969 31,544,266 13,036,700
1968 30,838,302 12,602,076
1967 30,130,983 12,200,109
1966 29,435,571 11,827,459
1965 28,704,674 11,470,728
1964 27,984,155 11,127,826
1963 27,261,747 10,799,528
1962 26,513,030 10,487,756
1961 25,765,673 10,187,886
1960 25,012,374 9,901,419

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/tanzania | CC BY

From 2006 to 2016, the population of South Korea increased by 2,779,511 people (a 5.74% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, South Korea gained 406,646 people (a 0.79% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

South Korea was ranked 25th most populous country in 2006 and is 31st in 2026. Tanzania was ranked 30th in 2006 and ranked 20th 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 Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Tanzania is projected to reach its peak in 2100 at 265M 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
Tanzania
Factual

Projection
1x
Year Growth rate
South Korea Tanzania
2100 -1.45% 0.89%
2099 -1.47% 0.9%
2098 -1.48% 0.93%
2097 -1.5% 0.94%
2096 -1.53% 0.96%
2095 -1.54% 0.97%
2094 -1.55% 1%
2093 -1.56% 1.02%
2092 -1.56% 1.05%
2091 -1.56% 1.06%
2090 -1.56% 1.08%
2089 -1.55% 1.11%
2088 -1.54% 1.13%
2087 -1.53% 1.16%
2086 -1.52% 1.18%
2085 -1.51% 1.19%
2084 -1.51% 1.21%
2083 -1.5% 1.23%
2082 -1.5% 1.25%
2081 -1.49% 1.28%
2080 -1.48% 1.31%
2079 -1.48% 1.33%
2078 -1.49% 1.35%
2077 -1.48% 1.38%
2076 -1.48% 1.4%
2075 -1.48% 1.43%
2074 -1.48% 1.45%
2073 -1.48% 1.47%
2072 -1.48% 1.5%
2071 -1.48% 1.53%
2070 -1.48% 1.55%
2069 -1.46% 1.57%
2068 -1.46% 1.6%
2067 -1.45% 1.62%
2066 -1.45% 1.68%
2065 -1.45% 1.69%
2064 -1.44% 1.71%
2063 -1.43% 1.74%
2062 -1.4% 1.76%
2061 -1.41% 1.78%
2060 -1.38% 1.81%
2059 -1.37% 1.84%
2058 -1.33% 1.87%
2057 -1.28% 1.92%
2056 -1.24% 1.94%
2055 -1.19% 1.95%
2054 -1.16% 1.97%
2053 -1.13% 2%
2052 -1.07% 2.03%
2051 -1.02% 2.07%
2050 -0.97% 2.09%
2049 -0.92% 2.14%
2048 -0.88% 2.18%
2047 -0.82% 2.21%
2046 -0.79% 2.23%
2045 -0.76% 2.26%
2044 -0.72% 2.28%
2043 -0.69% 2.32%
2042 -0.67% 2.34%
2041 -0.63% 2.37%
2040 -0.6% 2.41%
2039 -0.57% 2.45%
2038 -0.53% 2.47%
2037 -0.48% 2.52%
2036 -0.45% 2.54%
2035 -0.41% 2.59%
2034 -0.37% 2.59%
2033 -0.33% 2.63%
2032 -0.29% 2.68%
2031 -0.26% 2.7%
2030 -0.23% 2.74%
2029 -0.2% 2.75%
2028 -0.17% 2.79%
2027 -0.14% 2.83%
2026 -0.12% 2.89%
2025 -0.13% 2.9%
2024 0.07% 2.92%
2023 0.08% 2.95%
2022 -0.19% 2.99%
2021 -0.13% 3.05%
2020 0.14% 3.04%
2019 0.35% 3.03%
2018 0.43% 3.21%
2017 0.28% 3.4%
2016 0.4% 3.47%
2015 0.53% 3.32%
2014 0.63% 3.13%
2013 0.46% 3.06%
2012 0.53% 2.92%
2011 0.77% 2.84%
2010 0.5% 2.58%
2009 0.52% 2.5%
2008 0.76% 2.74%
2007 0.51% 2.83%
2006 0.53% 2.84%
2005 0.21% 2.81%
2004 0.4% 2.75%
2003 0.52% 2.68%
2002 0.58% 2.62%
2001 0.77% 2.74%
2000 0.84% 2.88%
1999 0.71% 2.71%
1998 0.72% 2.67%
1997 0.94% 2.04%
1996 0.96% 1.85%
1995 1.01% 3.2%
1994 1.01% 3.92%
1993 1.02% 3.19%
1992 1.04% 2.53%
1991 0.99% 2.57%
1990 0.99% 2.64%
1989 0.99% 2.7%
1988 0.98% 3.08%
1987 0.99% 3.32%
1986 1% 3.37%
1985 0.99% 3.32%
1984 1.24% 3.32%
1983 1.49% 3.34%
1982 1.56% 3.1%
1981 1.57% 3.1%
1980 1.57% 3.21%
1979 1.53% 3.42%
1978 1.53% 3.59%
1977 1.57% 3.68%
1976 1.61% 3.7%
1975 1.7% 3.71%
1974 1.73% 3.67%
1973 1.78% 3.67%
1972 1.89% 3.63%
1971 1.99% 3.55%
1970 2.21% 3.5%
1969 2.29% 3.45%
1968 2.35% 3.29%
1967 2.36% 3.15%
1966 2.55% 3.11%
1965 2.57% 3.08%
1964 2.65% 3.04%
1963 2.82% 2.97%
1962 2.9% 2.94%
1961 3.01% 2.89%

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/tanzania | CC BY

In 2025, the population of South Korea declined by 0.13%, while Tanzania's population grew by 2.9%.

Live population counters

South Korea Tanzania
Current population
51624449
73639263
Population rank 31/197 20/197
Percent of world population 0.62% 0.89%
One net population change
7.93 minutes
15.9 seconds
One birth every
2.16 minutes
13.2 seconds
One death every
1.45 minutes
1.34 minutes
Daily growth/decline -182 +5,440
Annual growth/decline -66,501 +1,985,708
Annual growth/decline rate -0.13% +2.9%
Population growth rate rank 169/197 16/197
One migration net change every
8.02 minutes
41.4 minutes
Annual migration change +65,731 -12,730
Net migration rank 20/196 139/196
Foreign-born residents 1,811,507 462,371
Foreign-born residents rank 40/195 83/195
Foreign-born share of population 3.5% 0.7%
Foreign-born share rank 111/195 167/195

Natural population change vs migration

South Korea
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
South Korea Tanzania
Natural Migration Natural Migration
2025 - 65,731 - -12,730
2024 -119,027 75,963 1,993,730 -29,865
2023 -124,111 87,800 1,960,623 -39,388
2022 -124,014 87,800 1,927,960 -37,557
2021 -56,947 -16,778 1,880,137 -7,704
2020 -31,101 112,631 1,861,377 -18,587
2019 10,353 128,622 1,816,669 -63,602
2018 30,951 118,220 1,777,852 -55,444
2017 71,907 104,029 1,726,909 119,142
2016 122,923 91,568 1,659,502 152,194
2015 163,248 276,427 1,592,882 201,495
2014 167,464 308,037 1,565,630 -21,083
2013 166,415 301,926 1,509,008 1,241
2012 215,859 281,866 1,439,325 -49,875
2011 214,728 269,958 1,384,886 -84,546
2010 213,083 52,042 1,363,477 -122,020
2009 197,231 5,308 1,332,015 -324,478
2008 215,841 -19,630 1,303,728 -184,816
2007 248,286 -42,293 1,278,285 -126,793
2006 203,441 -28,434 1,257,927 -128,231
2005 187,920 -47,821 1,224,165 -128,251
2004 225,988 -42,549 1,175,379 -126,490
2003 244,251 -31,994 1,118,435 -127,101
2002 247,752 -18,105 1,063,195 -118,047
2001 312,643 -28,006 1,026,242 -125,375
2000 390,167 -84,960 985,185 -9,701
1999 368,272 -107,448 948,659 -4,489
1998 393,436 -98,044 920,806 -105,184
1997 422,773 -109,130 882,544 -13,400
1996 446,142 -115,705 868,524 -473,007
1995 468,967 -208,491 838,980 -109,971
1994 473,200 -208,309 803,953 349,348
1993 477,302 -222,802 778,044 288,004
1992 494,352 -265,849 767,961 -83,825
1991 467,594 -270,754 762,011 -91,851
1990 411,546 79,294 750,825 -80,529
1989 403,266 186,120 743,854 -71,268
1988 399,297 192,534 736,551 -71,012
1987 378,758 198,057 718,580 94,498
1986 395,651 189,782 705,677 24,101
1985 416,219 97,949 697,867 86,864
1984 436,384 101,394 687,435 -26,938
1983 514,844 102,167 679,720 58,161
1982 605,626 48,638 662,627 -37,883
1981 631,189 18,442 645,496 -42,485
1980 583,294 -148,341 629,444 -42,588
1979 623,068 -139,566 613,388 -4,792
1978 499,084 -85,721 595,024 27,307
1977 578,947 -90,737 574,938 49,997
1976 530,558 -92,314 553,617 54,875
1975 603,300 -52,332 533,906 53,290
1974 673,030 27,005 515,152 51,127
1973 699,115 35,779 488,429 48,363
1972 740,469 25,382 467,305 57,489
1971 789,185 -6,326 449,014 41,900
1970 747,987 -27,999 427,988 38,635
1969 694,227 -21,175 408,322 37,006
1968 684,487 -16,868 389,467 34,455
1967 692,169 -16,484 374,763 5,265
1966 623,534 -16,688 360,229 5,049
1965 641,090 -146,386 343,456 4,742
1964 655,501 -102,284 328,527 9,090
1963 685,824 -80,226 314,644 4,333
1962 712,590 -94,606 300,663 3,916
1961 730,173 -93,179 286,839 8,338
1960 728,010 47,245 275,814 1,946

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

GeoRank.org/population/south-korea/tanzania | 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 Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 1,811,507 residents or 3.5% of the population were not native-born in South Korea, compared to 462,371 people or 0.7% in Tanzania.

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
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/tanzania | CC BY

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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)

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