Skip to content

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

Updated on by Georank team

The latest officially reported population of South Sudan was 11,943,408 in 2024 vs 104,175 people in Tonga in 2024. In 2026, based on the adjusted UN estimation, the current South Sudan's population is 12,507,858 people compared to 103,309 in Tonga.

Population statistics:

  • South Sudan's population is 121.1 times bigger than Tonga's.
  • South Sudan is ranked the 80th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.15% of the world: 0.15% for South Sudan vs 0.001% for Tonga.
  • For the last 10 years, South Sudan has had an average growth rate of +0.65% per year vs -0.25% in Tonga.
  • Since 2006, the population of South Sudan has increased from 7.98M people to 12.5M (56.8% growth), while Tonga has declined from 106K to 103K (2.77% decline).

South Sudan vs Tonga: population by year and forecast

South Sudan
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
South Sudan Tonga
2100 24,086,901 117,647
2099 24,081,477 117,615
2098 24,063,461 117,560
2097 24,065,268 117,522
2096 24,054,483 117,491
2095 24,046,345 117,414
2094 24,047,776 117,321
2093 24,039,017 117,237
2092 24,019,054 117,127
2091 24,000,308 117,013
2090 23,978,496 116,869
2089 23,937,487 116,712
2088 23,892,166 116,511
2087 23,857,250 116,307
2086 23,803,312 116,118
2085 23,759,178 115,902
2084 23,687,109 115,658
2083 23,617,646 115,366
2082 23,541,119 115,071
2081 23,466,449 114,782
2080 23,391,758 114,453
2079 23,294,252 114,103
2078 23,197,067 113,740
2077 23,086,584 113,378
2076 22,987,331 112,974
2075 22,868,587 112,594
2074 22,726,189 112,208
2073 22,583,672 111,819
2072 22,438,943 111,405
2071 22,288,026 110,992
2070 22,151,650 110,605
2069 22,003,659 110,238
2068 21,829,800 109,853
2067 21,662,211 109,474
2066 21,496,881 109,090
2065 21,317,455 108,765
2064 21,142,002 108,405
2063 20,965,122 108,061
2062 20,785,055 107,738
2061 20,608,964 107,424
2060 20,430,857 107,145
2059 20,235,022 106,869
2058 20,048,974 106,617
2057 19,853,696 106,372
2056 19,659,362 106,158
2055 19,464,297 105,942
2054 19,257,481 105,725
2053 19,060,517 105,513
2052 18,840,461 105,313
2051 18,633,198 105,106
2050 18,434,212 104,871
2049 18,230,881 104,663
2048 18,021,026 104,414
2047 17,806,282 104,180
2046 17,579,173 103,879
2045 17,355,041 103,575
2044 17,121,972 103,241
2043 16,888,278 102,961
2042 16,645,354 102,718
2041 16,396,768 102,474
2040 16,142,816 102,254
2039 15,889,952 102,088
2038 15,628,043 101,861
2037 15,363,975 101,733
2036 15,091,275 101,653
2035 14,815,307 101,607
2034 14,543,511 101,598
2033 14,278,180 101,618
2032 14,007,134 101,659
2031 13,730,637 101,790
2030 13,465,615 101,954
2029 13,206,477 102,207
2028 12,947,082 102,521
2027 12,692,769 102,868
2026 12,439,296 103,309
2025 12,193,102 103,768
2024 11,943,408 104,175
2023 11,483,374 104,597
2022 11,021,177 105,042
2021 10,865,780 105,490
2020 10,698,467 105,704
2019 10,423,384 105,669
2018 10,122,977 105,567
2017 10,259,154 105,356
2016 10,830,102 105,524
2015 11,107,561 106,095
2014 11,235,073 106,609
2013 11,166,275 107,078
2012 10,756,240 107,460
2011 10,288,109 107,570
2010 9,745,953 107,400
2009 9,243,556 107,203
2008 8,817,647 107,020
2007 8,388,788 106,726
2006 7,976,526 106,253
2005 7,590,143 105,671
2004 7,233,041 105,071
2003 6,903,127 104,464
2002 6,596,806 103,874
2001 6,308,391 103,288
2000 6,032,267 102,677
1999 5,771,628 102,046
1998 5,620,068 101,388
1997 5,509,136 100,674
1996 5,356,925 100,275
1995 5,225,836 100,225
1994 5,071,184 100,166
1993 4,956,002 100,103
1992 4,909,749 100,022
1991 4,836,677 99,895
1990 4,737,633 99,700
1989 4,713,229 99,403
1988 4,848,029 98,969
1987 4,962,395 98,376
1986 4,921,240 98,010
1985 4,834,296 97,984
1984 4,750,627 97,990
1983 4,661,574 97,998
1982 4,557,686 97,980
1981 4,447,272 97,909
1980 4,339,030 97,769
1979 4,232,605 97,544
1978 4,127,657 97,204
1977 4,024,032 96,725
1976 3,921,910 95,325
1975 3,821,494 93,017
1974 3,723,259 90,683
1973 3,627,383 88,805
1972 3,542,497 87,356
1971 3,468,646 85,896
1970 3,409,614 84,401
1969 3,365,533 82,885
1968 3,321,528 81,353
1967 3,277,648 79,814
1966 3,236,423 78,002
1965 3,189,835 75,924
1964 3,129,918 73,879
1963 3,072,669 71,885
1962 3,024,308 69,940
1961 2,976,724 68,037
1960 2,931,559 66,170

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

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

From 2006 to 2016, the population of South Sudan increased by 2,853,576 people (a 35.8% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, South Sudan gained 1,677,756 people (a 15.5% growth), while Tonga's population decreased by 2,215 people (a 2.1% decline).

South Sudan was ranked 92nd most populous country in 2006 and is 80th in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) South Sudan's population will grow by 47.4% to 18,434,212 people with a rank change from 80th to 78th. The population of Tonga will increase by 1.51% to 104,871 people and will still be ranked 183rd.

South Sudan is projected to reach its peak in 2100 at 24.1M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

South Sudan
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
South Sudan Tonga
2100 0.02% 0.03%
2099 0.07% 0.05%
2098 -0.008% 0.03%
2097 0.04% 0.03%
2096 0.03% 0.07%
2095 -0.006% 0.08%
2094 0.04% 0.07%
2093 0.08% 0.09%
2092 0.08% 0.1%
2091 0.09% 0.12%
2090 0.17% 0.13%
2089 0.19% 0.17%
2088 0.15% 0.18%
2087 0.23% 0.16%
2086 0.19% 0.19%
2085 0.3% 0.21%
2084 0.29% 0.25%
2083 0.33% 0.26%
2082 0.32% 0.25%
2081 0.32% 0.29%
2080 0.42% 0.31%
2079 0.42% 0.32%
2078 0.48% 0.32%
2077 0.43% 0.36%
2076 0.52% 0.34%
2075 0.63% 0.34%
2074 0.63% 0.35%
2073 0.64% 0.37%
2072 0.68% 0.37%
2071 0.62% 0.35%
2070 0.67% 0.33%
2069 0.8% 0.35%
2068 0.77% 0.35%
2067 0.77% 0.35%
2066 0.84% 0.3%
2065 0.83% 0.33%
2064 0.84% 0.32%
2063 0.87% 0.3%
2062 0.85% 0.29%
2061 0.87% 0.26%
2060 0.97% 0.26%
2059 0.93% 0.24%
2058 0.98% 0.23%
2057 0.99% 0.2%
2056 1% 0.2%
2055 1.07% 0.2%
2054 1.03% 0.2%
2053 1.17% 0.19%
2052 1.11% 0.2%
2051 1.08% 0.22%
2050 1.12% 0.2%
2049 1.16% 0.24%
2048 1.21% 0.22%
2047 1.29% 0.29%
2046 1.29% 0.29%
2045 1.36% 0.32%
2044 1.38% 0.27%
2043 1.46% 0.24%
2042 1.52% 0.24%
2041 1.57% 0.21%
2040 1.59% 0.16%
2039 1.68% 0.22%
2038 1.72% 0.13%
2037 1.81% 0.08%
2036 1.86% 0.05%
2035 1.87% 0.009%
2034 1.86% -0.02%
2033 1.94% -0.04%
2032 2.01% -0.13%
2031 1.97% -0.16%
2030 1.96% -0.25%
2029 2% -0.31%
2028 2% -0.34%
2027 2.04% -0.43%
2026 2.02% -0.44%
2025 2.09% -0.39%
2024 4.01% -0.4%
2023 4.19% -0.42%
2022 1.43% -0.42%
2021 1.56% -0.2%
2020 2.64% 0.03%
2019 2.97% 0.1%
2018 -1.33% 0.2%
2017 -5.27% -0.16%
2016 -2.5% -0.54%
2015 -1.13% -0.48%
2014 0.62% -0.44%
2013 3.81% -0.36%
2012 4.55% -0.1%
2011 5.56% 0.16%
2010 5.44% 0.18%
2009 4.83% 0.17%
2008 5.11% 0.28%
2007 5.17% 0.45%
2006 5.09% 0.55%
2005 4.94% 0.57%
2004 4.78% 0.58%
2003 4.64% 0.57%
2002 4.57% 0.57%
2001 4.58% 0.6%
2000 4.52% 0.62%
1999 2.7% 0.65%
1998 2.01% 0.71%
1997 2.84% 0.4%
1996 2.51% 0.05%
1995 3.05% 0.06%
1994 2.32% 0.06%
1993 0.94% 0.08%
1992 1.51% 0.13%
1991 2.09% 0.2%
1990 0.52% 0.3%
1989 -2.78% 0.44%
1988 -2.3% 0.6%
1987 0.84% 0.37%
1986 1.8% 0.03%
1985 1.76% -0.006%
1984 1.91% -0.008%
1983 2.28% 0.02%
1982 2.48% 0.07%
1981 2.49% 0.14%
1980 2.51% 0.23%
1979 2.54% 0.35%
1978 2.58% 0.5%
1977 2.6% 1.47%
1976 2.63% 2.48%
1975 2.64% 2.57%
1974 2.64% 2.11%
1973 2.4% 1.66%
1972 2.13% 1.7%
1971 1.73% 1.77%
1970 1.31% 1.83%
1969 1.32% 1.88%
1968 1.34% 1.93%
1967 1.27% 2.32%
1966 1.46% 2.74%
1965 1.91% 2.77%
1964 1.86% 2.77%
1963 1.6% 2.78%
1962 1.6% 2.8%
1961 1.54% 2.82%

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

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

In 2024, the population of South Sudan grew by 4.01%, while Tonga's population declined by 0.4%.

Live population counters

South Sudan Tonga
Current population
12507858
103309
Population rank 80/197 183/197
Percent of world population 0.15% 0.001%
One net population change
1.14 minutes
20.8 hours
One birth every
1.6 minutes
3.62 hours
One death every
4.76 minutes
13 hours
Daily growth/decline +1,260 -1
Annual growth/decline +460,034 -422
Annual growth/decline rate +4.01% -0.4%
Population growth rate rank 7/197 183/197
One migration net change every
1.43 hours
4.09 hours
Annual migration change +6,145 -2,150
Net migration rank 50/196 99/196
Foreign-born residents 914,001 3,581
Foreign-born residents rank 62/195 187/195
Foreign-born share of population 7.7% 3.4%
Foreign-born share rank 77/195 113/195

Natural population change vs migration

South Sudan
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
South Sudan Tonga
Natural Migration Natural Migration
2025 - 6,145 - -2,150
2024 - 15,374 - -2,149
2023 217,966 455,000 1,744 -2,173
2022 211,166 40,259 1,772 -2,218
2021 213,567 -154,359 1,773 -2,220
2020 212,332 62,935 1,816 -1,807
2019 209,708 65,198 1,841 -1,778
2018 168,497 157,408 1,873 -1,723
2017 72,193 -670,477 1,912 -1,642
2016 110,553 -654,225 1,989 -2,591
2015 148,542 -159,822 2,064 -2,610
2014 227,611 -471,523 2,135 -2,622
2013 315,983 65,337 2,199 -2,637
2012 312,974 125,771 2,255 -2,578
2011 303,181 194,325 2,298 -2,198
2010 287,409 299,402 2,332 -2,097
2009 278,859 139,129 2,358 -2,204
2008 268,268 165,557 2,397 -2,177
2007 256,546 167,350 2,423 -2,057
2006 246,706 153,926 2,459 -1,875
2005 239,272 132,869 2,495 -1,906
2004 231,877 110,182 2,478 -1,876
2003 225,822 91,951 2,448 -1,844
2002 212,014 82,847 2,396 -1,815
2001 204,108 77,856 2,358 -1,766
2000 196,055 74,227 2,346 -1,721
1999 180,721 70,271 2,352 -1,710
1998 -12,157 64,285 2,344 -1,665
1997 121,454 48,280 2,332 -1,589
1996 116,728 17,953 2,393 -2,338
1995 110,417 17,077 2,476 -2,422
1994 165,407 16,407 2,547 -2,484
1993 32,779 15,772 2,594 -2,532
1992 28,874 15,077 2,622 -2,524
1991 87,873 14,327 2,637 -2,484
1990 82,900 12,988 2,641 -2,409
1989 83,735 -130,821 2,644 -2,280
1988 -125,447 -97,065 2,649 -2,138
1987 5,756 -11,976 2,646 -1,970
1986 99,502 -10,973 2,704 -2,650
1985 95,342 -9,986 2,762 -2,775
1984 90,970 -8,984 2,814 -2,823
1983 104,107 -7,986 2,840 -2,840
1982 118,641 -6,983 2,853 -2,814
1981 115,163 -5,994 2,882 -2,778
1980 112,307 -4,997 2,885 -2,708
1979 109,540 -3,997 2,884 -2,604
1978 107,352 -2,998 2,862 -2,457
1977 104,886 -1,997 2,822 -2,273
1976 102,346 -995 2,769 -523
1975 99,882 -395 2,709 -346
1974 97,181 -192 2,650 -344
1973 94,765 0 2,617 -1,168
1972 74,803 193 2,605 -1,153
1971 72,308 394 2,611 -1,138
1970 44,776 587 2,628 -1,122
1969 42,015 786 2,632 -1,101
1968 44,213 995 2,614 -1,078
1967 41,357 1,194 2,603 -1,060
1966 38,523 1,386 2,550 -465
1965 51,682 1,591 2,498 -426
1964 64,786 1,785 2,445 -428
1963 46,333 1,591 2,394 -426
1962 47,406 1,386 2,343 -420
1961 45,186 1,194 2,284 -401
1960 42,945 995 2,230 -384

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

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

Over the last 10 years, 57.4% of the population change in South Sudan is from natural causes (a gain of 1,792,135 people) and 42.6% is from migration (a loss of 1,329,606 people). In Tonga 46.9% is from natural causes (a gain of 18,919 people) and 53.1% is from migration (a loss of 21,384 people).

As of 2024, 914,001 residents or 7.7% of the population were not native-born in South Sudan, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K
Tonga
City Population
Nukualofa 23.2K
Mua 5K

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

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.