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

Updated on by Georank

The latest officially reported population of South Sudan was 12,188,788 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current South Sudan's population is 12,565,048 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 5.86 times bigger than South Sudan's.
  • South Sudan is ranked the 80th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 1.04% of the world: 0.15% for South Sudan vs 0.89% for Tanzania.
  • For the last 10 years, South Sudan has had an average growth rate of +0.78% per year vs +3.11% in Tanzania.
  • Since 2006, the population of South Sudan has increased from 7.98M people to 12.6M (57.5% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

South Sudan vs Tanzania: population by year and forecast

South Sudan
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
South Sudan Tanzania
2100 24,078,379 265,471,550
2099 24,072,957 263,137,702
2098 24,054,947 260,784,676
2097 24,056,753 258,387,890
2096 24,045,972 255,972,277
2095 24,037,837 253,543,248
2094 24,039,267 251,095,452
2093 24,030,512 248,605,184
2092 24,010,555 246,083,651
2091 23,991,816 243,533,968
2090 23,970,012 240,979,094
2089 23,929,017 238,393,867
2088 23,883,712 235,775,056
2087 23,848,809 233,145,231
2086 23,794,890 230,474,072
2085 23,750,772 227,778,580
2084 23,678,728 225,090,075
2083 23,609,290 222,400,079
2082 23,532,790 219,697,321
2081 23,458,146 216,974,796
2080 23,383,482 214,235,505
2079 23,286,011 211,466,096
2078 23,188,860 208,688,171
2077 23,078,416 205,898,494
2076 22,979,198 203,086,766
2075 22,860,496 200,278,383
2074 22,718,148 197,449,196
2073 22,575,682 194,624,081
2072 22,431,004 191,805,820
2071 22,280,140 188,974,004
2070 22,143,813 186,134,634
2069 21,995,874 183,293,747
2068 21,822,076 180,458,385
2067 21,654,546 177,622,538
2066 21,489,275 174,786,430
2065 21,309,913 171,897,059
2064 21,134,522 169,048,435
2063 20,957,705 166,202,091
2062 20,777,701 163,354,473
2061 20,601,672 160,521,858
2060 20,423,629 157,707,240
2059 20,227,862 154,905,240
2058 20,041,880 152,106,040
2057 19,846,671 149,311,257
2056 19,652,407 146,505,507
2055 19,457,411 143,722,840
2054 19,250,667 140,970,467
2053 19,053,773 138,249,490
2052 18,833,795 135,540,803
2051 18,626,605 132,838,721
2050 18,427,690 130,145,345
2049 18,224,430 127,483,126
2048 18,014,650 124,809,212
2047 17,799,982 122,146,647
2046 17,572,953 119,511,124
2045 17,348,901 116,903,642
2044 17,115,914 114,318,843
2043 16,882,303 111,765,580
2042 16,639,465 109,231,423
2041 16,390,966 106,738,458
2040 16,137,104 104,262,479
2039 15,884,330 101,804,600
2038 15,622,514 99,370,760
2037 15,358,539 96,974,485
2036 15,085,936 94,592,848
2035 14,810,066 92,248,476
2034 14,538,365 89,920,872
2033 14,273,128 87,646,627
2032 14,002,178 85,401,853
2031 13,725,779 83,172,579
2030 13,460,850 80,989,443
2029 13,201,804 78,830,947
2028 12,942,501 76,723,335
2027 12,688,278 74,639,948
2026 12,434,895 72,582,361
2025 12,188,788 70,545,865
2024 11,943,408 68,560,157
2023 11,483,374 66,617,606
2022 11,021,177 64,711,821
2021 10,865,780 62,830,412
2020 10,698,467 60,972,798
2019 10,423,384 59,174,891
2018 10,122,977 57,437,145
2017 10,259,154 55,652,890
2016 10,830,102 53,824,013
2015 11,107,561 52,020,962
2014 11,235,073 50,351,512
2013 11,166,275 48,824,128
2012 10,756,240 47,374,260
2011 10,288,109 46,029,367
2010 9,745,953 44,758,488
2009 9,243,556 43,633,982
2008 8,817,647 42,570,728
2007 8,388,788 41,435,512
2006 7,976,526 40,294,902
2005 7,590,143 39,182,076
2004 7,233,041 38,109,668
2003 6,903,127 37,089,555
2002 6,596,806 36,121,304
2001 6,308,391 35,198,299
2000 6,032,267 34,260,139
1999 5,771,628 33,300,330
1998 5,620,068 32,420,458
1997 5,509,136 31,578,089
1996 5,356,925 30,945,762
1995 5,225,836 30,383,497
1994 5,071,184 29,442,356
1993 4,956,002 28,332,692
1992 4,909,749 27,457,588
1991 4,836,677 26,780,436
1990 4,737,633 26,110,207
1989 4,713,229 25,438,759
1988 4,848,029 24,769,686
1987 4,962,395 24,030,378
1986 4,921,240 23,258,959
1985 4,834,296 22,501,693
1984 4,750,627 21,779,066
1983 4,661,574 21,079,874
1982 4,557,686 20,398,571
1981 4,447,272 19,784,703
1980 4,339,030 19,189,769
1979 4,232,605 18,592,038
1978 4,127,657 17,976,566
1977 4,024,032 17,352,929
1976 3,921,910 16,736,211
1975 3,821,494 16,138,361
1974 3,723,259 15,561,630
1973 3,627,383 15,010,101
1972 3,542,497 14,479,308
1971 3,468,646 13,971,451
1970 3,409,614 13,492,677
1969 3,365,533 13,036,700
1968 3,321,528 12,602,076
1967 3,277,648 12,200,109
1966 3,236,423 11,827,459
1965 3,189,835 11,470,728
1964 3,129,918 11,127,826
1963 3,072,669 10,799,528
1962 3,024,308 10,487,756
1961 2,976,724 10,187,886
1960 2,931,559 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-sudan/tanzania | CC BY

From 2006 to 2016, the population of South Sudan increased by 2,853,576 people (a 35.8% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, South Sudan gained 1,734,946 people (a 16% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

South Sudan was ranked 92nd most populous country in 2006 and is 80th 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 Sudan's population will grow by 46.7% to 18,427,690 people with a rank change from 80th to 78th. The population of Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

South Sudan is projected to reach its peak in 2100 at 24.1M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

South Sudan
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
South Sudan Tanzania
2100 0.02% 0.89%
2099 0.07% 0.9%
2098 -0.008% 0.93%
2097 0.04% 0.94%
2096 0.03% 0.96%
2095 -0.006% 0.97%
2094 0.04% 1%
2093 0.08% 1.02%
2092 0.08% 1.05%
2091 0.09% 1.06%
2090 0.17% 1.08%
2089 0.19% 1.11%
2088 0.15% 1.13%
2087 0.23% 1.16%
2086 0.19% 1.18%
2085 0.3% 1.19%
2084 0.29% 1.21%
2083 0.33% 1.23%
2082 0.32% 1.25%
2081 0.32% 1.28%
2080 0.42% 1.31%
2079 0.42% 1.33%
2078 0.48% 1.35%
2077 0.43% 1.38%
2076 0.52% 1.4%
2075 0.63% 1.43%
2074 0.63% 1.45%
2073 0.64% 1.47%
2072 0.68% 1.5%
2071 0.62% 1.53%
2070 0.67% 1.55%
2069 0.8% 1.57%
2068 0.77% 1.6%
2067 0.77% 1.62%
2066 0.84% 1.68%
2065 0.83% 1.69%
2064 0.84% 1.71%
2063 0.87% 1.74%
2062 0.85% 1.76%
2061 0.87% 1.78%
2060 0.97% 1.81%
2059 0.93% 1.84%
2058 0.98% 1.87%
2057 0.99% 1.92%
2056 1% 1.94%
2055 1.07% 1.95%
2054 1.03% 1.97%
2053 1.17% 2%
2052 1.11% 2.03%
2051 1.08% 2.07%
2050 1.12% 2.09%
2049 1.16% 2.14%
2048 1.21% 2.18%
2047 1.29% 2.21%
2046 1.29% 2.23%
2045 1.36% 2.26%
2044 1.38% 2.28%
2043 1.46% 2.32%
2042 1.52% 2.34%
2041 1.57% 2.37%
2040 1.59% 2.41%
2039 1.68% 2.45%
2038 1.72% 2.47%
2037 1.81% 2.52%
2036 1.86% 2.54%
2035 1.87% 2.59%
2034 1.86% 2.59%
2033 1.94% 2.63%
2032 2.01% 2.68%
2031 1.97% 2.7%
2030 1.96% 2.74%
2029 2% 2.75%
2028 2% 2.79%
2027 2.04% 2.83%
2026 2.02% 2.89%
2025 2.05% 2.9%
2024 4.01% 2.92%
2023 4.19% 2.95%
2022 1.43% 2.99%
2021 1.56% 3.05%
2020 2.64% 3.04%
2019 2.97% 3.03%
2018 -1.33% 3.21%
2017 -5.27% 3.4%
2016 -2.5% 3.47%
2015 -1.13% 3.32%
2014 0.62% 3.13%
2013 3.81% 3.06%
2012 4.55% 2.92%
2011 5.56% 2.84%
2010 5.44% 2.58%
2009 4.83% 2.5%
2008 5.11% 2.74%
2007 5.17% 2.83%
2006 5.09% 2.84%
2005 4.94% 2.81%
2004 4.78% 2.75%
2003 4.64% 2.68%
2002 4.57% 2.62%
2001 4.58% 2.74%
2000 4.52% 2.88%
1999 2.7% 2.71%
1998 2.01% 2.67%
1997 2.84% 2.04%
1996 2.51% 1.85%
1995 3.05% 3.2%
1994 2.32% 3.92%
1993 0.94% 3.19%
1992 1.51% 2.53%
1991 2.09% 2.57%
1990 0.52% 2.64%
1989 -2.78% 2.7%
1988 -2.3% 3.08%
1987 0.84% 3.32%
1986 1.8% 3.37%
1985 1.76% 3.32%
1984 1.91% 3.32%
1983 2.28% 3.34%
1982 2.48% 3.1%
1981 2.49% 3.1%
1980 2.51% 3.21%
1979 2.54% 3.42%
1978 2.58% 3.59%
1977 2.6% 3.68%
1976 2.63% 3.7%
1975 2.64% 3.71%
1974 2.64% 3.67%
1973 2.4% 3.67%
1972 2.13% 3.63%
1971 1.73% 3.55%
1970 1.31% 3.5%
1969 1.32% 3.45%
1968 1.34% 3.29%
1967 1.27% 3.15%
1966 1.46% 3.11%
1965 1.91% 3.08%
1964 1.86% 3.04%
1963 1.6% 2.97%
1962 1.6% 2.94%
1961 1.54% 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-sudan/tanzania | CC BY

In 2025, the population of South Sudan grew by 2.05%, while Tanzania's population grew by 2.9%.

Live population counters

South Sudan Tanzania
Current population
12565048
73639263
Population rank 80/197 20/197
Percent of world population 0.15% 0.89%
One net population change
2.15 minutes
15.9 seconds
One birth every
1.51 minutes
13.2 seconds
One death every
4.48 minutes
1.34 minutes
Daily growth/decline +672 +5,440
Annual growth/decline +245,380 +1,985,708
Annual growth/decline rate +2.05% +2.9%
Population growth rate rank 48/197 16/197
One migration net change every
1.43 hours
41.4 minutes
Annual migration change +6,145 -12,730
Net migration rank 50/196 139/196
Foreign-born residents 914,001 462,371
Foreign-born residents rank 62/195 83/195
Foreign-born share of population 7.7% 0.7%
Foreign-born share rank 77/195 167/195

Natural population change vs migration

South Sudan
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
South Sudan Tanzania
Natural Migration Natural Migration
2025 - 6,145 - -12,730
2024 231,714 15,374 1,993,730 -29,865
2023 217,966 455,000 1,960,623 -39,388
2022 211,166 40,259 1,927,960 -37,557
2021 213,567 -154,359 1,880,137 -7,704
2020 212,332 62,935 1,861,377 -18,587
2019 209,708 65,198 1,816,669 -63,602
2018 168,497 157,408 1,777,852 -55,444
2017 72,193 -670,477 1,726,909 119,142
2016 110,553 -654,225 1,659,502 152,194
2015 148,542 -159,822 1,592,882 201,495
2014 227,611 -471,523 1,565,630 -21,083
2013 315,983 65,337 1,509,008 1,241
2012 312,974 125,771 1,439,325 -49,875
2011 303,181 194,325 1,384,886 -84,546
2010 287,409 299,402 1,363,477 -122,020
2009 278,859 139,129 1,332,015 -324,478
2008 268,268 165,557 1,303,728 -184,816
2007 256,546 167,350 1,278,285 -126,793
2006 246,706 153,926 1,257,927 -128,231
2005 239,272 132,869 1,224,165 -128,251
2004 231,877 110,182 1,175,379 -126,490
2003 225,822 91,951 1,118,435 -127,101
2002 212,014 82,847 1,063,195 -118,047
2001 204,108 77,856 1,026,242 -125,375
2000 196,055 74,227 985,185 -9,701
1999 180,721 70,271 948,659 -4,489
1998 -12,157 64,285 920,806 -105,184
1997 121,454 48,280 882,544 -13,400
1996 116,728 17,953 868,524 -473,007
1995 110,417 17,077 838,980 -109,971
1994 165,407 16,407 803,953 349,348
1993 32,779 15,772 778,044 288,004
1992 28,874 15,077 767,961 -83,825
1991 87,873 14,327 762,011 -91,851
1990 82,900 12,988 750,825 -80,529
1989 83,735 -130,821 743,854 -71,268
1988 -125,447 -97,065 736,551 -71,012
1987 5,756 -11,976 718,580 94,498
1986 99,502 -10,973 705,677 24,101
1985 95,342 -9,986 697,867 86,864
1984 90,970 -8,984 687,435 -26,938
1983 104,107 -7,986 679,720 58,161
1982 118,641 -6,983 662,627 -37,883
1981 115,163 -5,994 645,496 -42,485
1980 112,307 -4,997 629,444 -42,588
1979 109,540 -3,997 613,388 -4,792
1978 107,352 -2,998 595,024 27,307
1977 104,886 -1,997 574,938 49,997
1976 102,346 -995 553,617 54,875
1975 99,882 -395 533,906 53,290
1974 97,181 -192 515,152 51,127
1973 94,765 0 488,429 48,363
1972 74,803 193 467,305 57,489
1971 72,308 394 449,014 41,900
1970 44,776 587 427,988 38,635
1969 42,015 786 408,322 37,006
1968 44,213 995 389,467 34,455
1967 41,357 1,194 374,763 5,265
1966 38,523 1,386 360,229 5,049
1965 51,682 1,591 343,456 4,742
1964 64,786 1,785 328,527 9,090
1963 46,333 1,591 314,644 4,333
1962 47,406 1,386 300,663 3,916
1961 45,186 1,194 286,839 8,338
1960 42,945 995 275,814 1,946

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

GeoRank.org/population/south-sudan/tanzania | CC BY

Over the last 10 years, 68.1% of the population change in South Sudan is from natural causes (a gain of 1,796,238 people) and 31.9% is from migration (a loss of 842,709 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, 914,001 residents or 7.7% of the population were not native-born in South Sudan, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K
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-sudan/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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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