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

Updated on by Georank

The latest officially reported population of South Sudan was 12,188,788 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current South Sudan's population is 12,565,048 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 5.58 times bigger than South Sudan's.
  • South Sudan is ranked the 80th most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.99% of the world: 0.15% for South Sudan vs 0.84% for the United Kingdom.
  • For the last 10 years, South Sudan has had an average growth rate of +0.78% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of South Sudan has increased from 7.98M people to 12.6M (57.5% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

South Sudan vs United Kingdom: population by year and forecast

South Sudan
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
South Sudan United Kingdom
2100 24,078,379 74,517,005
2099 24,072,957 74,647,273
2098 24,054,947 74,766,073
2097 24,056,753 74,879,923
2096 24,045,972 74,991,940
2095 24,037,837 75,102,041
2094 24,039,267 75,198,597
2093 24,030,512 75,296,704
2092 24,010,555 75,390,038
2091 23,991,816 75,480,137
2090 23,970,012 75,566,962
2089 23,929,017 75,649,353
2088 23,883,712 75,721,067
2087 23,848,809 75,791,990
2086 23,794,890 75,859,854
2085 23,750,772 75,918,647
2084 23,678,728 75,969,065
2083 23,609,290 76,018,614
2082 23,532,790 76,059,464
2081 23,458,146 76,086,593
2080 23,383,482 76,118,679
2079 23,286,011 76,147,352
2078 23,188,860 76,165,841
2077 23,078,416 76,183,437
2076 22,979,198 76,185,828
2075 22,860,496 76,198,349
2074 22,718,148 76,209,676
2073 22,575,682 76,218,781
2072 22,431,004 76,211,187
2071 22,280,140 76,200,495
2070 22,143,813 76,190,801
2069 21,995,874 76,184,140
2068 21,822,076 76,183,288
2067 21,654,546 76,175,881
2066 21,489,275 76,168,987
2065 21,309,913 76,168,193
2064 21,134,522 76,165,129
2063 20,957,705 76,165,534
2062 20,777,701 76,158,910
2061 20,601,672 76,156,587
2060 20,423,629 76,157,104
2059 20,227,862 76,157,593
2058 20,041,880 76,139,384
2057 19,846,671 76,119,478
2056 19,652,407 76,086,799
2055 19,457,411 76,047,952
2054 19,250,667 75,980,524
2053 19,053,773 75,907,047
2052 18,833,795 75,815,200
2051 18,626,605 75,709,173
2050 18,427,690 75,591,218
2049 18,224,430 75,460,140
2048 18,014,650 75,313,837
2047 17,799,982 75,153,802
2046 17,572,953 74,986,563
2045 17,348,901 74,808,886
2044 17,115,914 74,623,687
2043 16,882,303 74,424,133
2042 16,639,465 74,224,922
2041 16,390,966 74,020,934
2040 16,137,104 73,812,680
2039 15,884,330 73,600,788
2038 15,622,514 73,378,310
2037 15,358,539 73,155,497
2036 15,085,936 72,921,995
2035 14,810,066 72,671,687
2034 14,538,365 72,418,766
2033 14,273,128 72,145,065
2032 14,002,178 71,869,259
2031 13,725,779 71,581,519
2030 13,460,850 71,267,237
2029 13,201,804 70,948,992
2028 12,942,501 70,609,246
2027 12,688,278 70,248,858
2026 12,434,895 69,883,746
2025 12,188,788 69,487,000
2024 11,943,408 69,281,000
2023 11,483,374 68,526,000
2022 11,021,177 67,636,000
2021 10,865,780 66,978,000
2020 10,698,467 66,740,000
2019 10,423,384 66,628,000
2018 10,122,977 66,287,000
2017 10,259,154 65,964,000
2016 10,830,102 65,606,000
2015 11,107,561 65,087,000
2014 11,235,073 64,619,000
2013 11,166,275 64,138,000
2012 10,756,240 63,711,000
2011 10,288,109 63,258,810
2010 9,745,953 62,766,365
2009 9,243,556 62,276,270
2008 8,817,647 61,806,995
2007 8,388,788 61,322,463
2006 7,976,526 60,846,820
2005 7,590,143 60,401,206
2004 7,233,041 59,987,905
2003 6,903,127 59,647,577
2002 6,596,806 59,370,479
2001 6,308,391 59,119,673
2000 6,032,267 58,892,514
1999 5,771,628 58,682,466
1998 5,620,068 58,487,141
1997 5,509,136 58,316,954
1996 5,356,925 58,166,950
1995 5,225,836 58,019,030
1994 5,071,184 57,865,745
1993 4,956,002 57,718,614
1992 4,909,749 57,580,402
1991 4,836,677 57,424,897
1990 4,737,633 57,247,586
1989 4,713,229 57,076,711
1988 4,848,029 56,928,327
1987 4,962,395 56,802,050
1986 4,921,240 56,681,396
1985 4,834,296 56,550,268
1984 4,750,627 56,422,072
1983 4,661,574 56,332,848
1982 4,557,686 56,313,641
1981 4,447,272 56,333,829
1980 4,339,030 56,314,216
1979 4,232,605 56,246,951
1978 4,127,657 56,196,504
1977 4,024,032 56,193,492
1976 3,921,910 56,211,968
1975 3,821,494 56,225,800
1974 3,723,259 56,229,974
1973 3,627,383 56,194,527
1972 3,542,497 56,086,065
1971 3,468,646 55,896,223
1970 3,409,614 55,663,250
1969 3,365,533 55,441,750
1968 3,321,528 55,211,700
1967 3,277,648 54,943,600
1966 3,236,423 54,648,500
1965 3,189,835 54,348,050
1964 3,129,918 54,000,000
1963 3,072,669 53,650,000
1962 3,024,308 53,250,000
1961 2,976,724 52,800,000
1960 2,931,559 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-sudan/united-kingdom | CC BY

From 2006 to 2016, the population of South Sudan increased by 2,853,576 people (a 35.8% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, South Sudan gained 1,734,946 people (a 16% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

South Sudan was ranked 92nd most populous country in 2006 and is 80th 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 Sudan's population will grow by 46.7% to 18,427,690 people with a rank change from 80th to 78th. The population of the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

South Sudan is projected to reach its peak in 2100 at 24.1M people compared to the peak of 76.2M people in 2073 for the United Kingdom.

Population growth rate by year

South Sudan
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
South Sudan United Kingdom
2100 0.02% -0.17%
2099 0.07% -0.16%
2098 -0.008% -0.15%
2097 0.04% -0.15%
2096 0.03% -0.15%
2095 -0.006% -0.13%
2094 0.04% -0.13%
2093 0.08% -0.12%
2092 0.08% -0.12%
2091 0.09% -0.11%
2090 0.17% -0.11%
2089 0.19% -0.09%
2088 0.15% -0.09%
2087 0.23% -0.09%
2086 0.19% -0.08%
2085 0.3% -0.07%
2084 0.29% -0.07%
2083 0.33% -0.05%
2082 0.32% -0.04%
2081 0.32% -0.04%
2080 0.42% -0.04%
2079 0.42% -0.02%
2078 0.48% -0.02%
2077 0.43% -0.003%
2076 0.52% -0.02%
2075 0.63% -0.01%
2074 0.63% -0.01%
2073 0.64% 0.01%
2072 0.68% 0.01%
2071 0.62% 0.01%
2070 0.67% 0.009%
2069 0.8% 0.001%
2068 0.77% 0.01%
2067 0.77% 0.009%
2066 0.84% 0.001%
2065 0.83% 0.004%
2064 0.84% -0%
2063 0.87% 0.009%
2062 0.85% 0.003%
2061 0.87% -0.001%
2060 0.97% -0.001%
2059 0.93% 0.02%
2058 0.98% 0.03%
2057 0.99% 0.04%
2056 1% 0.05%
2055 1.07% 0.09%
2054 1.03% 0.1%
2053 1.17% 0.12%
2052 1.11% 0.14%
2051 1.08% 0.16%
2050 1.12% 0.17%
2049 1.16% 0.19%
2048 1.21% 0.21%
2047 1.29% 0.22%
2046 1.29% 0.24%
2045 1.36% 0.25%
2044 1.38% 0.27%
2043 1.46% 0.27%
2042 1.52% 0.28%
2041 1.57% 0.28%
2040 1.59% 0.29%
2039 1.68% 0.3%
2038 1.72% 0.3%
2037 1.81% 0.32%
2036 1.86% 0.34%
2035 1.87% 0.35%
2034 1.86% 0.38%
2033 1.94% 0.38%
2032 2.01% 0.4%
2031 1.97% 0.44%
2030 1.96% 0.45%
2029 2% 0.48%
2028 2% 0.51%
2027 2.04% 0.52%
2026 2.02% 0.57%
2025 2.05% 0.3%
2024 4.01% 1.1%
2023 4.19% 1.32%
2022 1.43% 0.98%
2021 1.56% 0.36%
2020 2.64% 0.17%
2019 2.97% 0.51%
2018 -1.33% 0.49%
2017 -5.27% 0.55%
2016 -2.5% 0.8%
2015 -1.13% 0.72%
2014 0.62% 0.75%
2013 3.81% 0.67%
2012 4.55% 0.71%
2011 5.56% 0.78%
2010 5.44% 0.79%
2009 4.83% 0.76%
2008 5.11% 0.79%
2007 5.17% 0.78%
2006 5.09% 0.74%
2005 4.94% 0.69%
2004 4.78% 0.57%
2003 4.64% 0.47%
2002 4.57% 0.42%
2001 4.58% 0.39%
2000 4.52% 0.36%
1999 2.7% 0.33%
1998 2.01% 0.29%
1997 2.84% 0.26%
1996 2.51% 0.25%
1995 3.05% 0.26%
1994 2.32% 0.25%
1993 0.94% 0.24%
1992 1.51% 0.27%
1991 2.09% 0.31%
1990 0.52% 0.3%
1989 -2.78% 0.26%
1988 -2.3% 0.22%
1987 0.84% 0.21%
1986 1.8% 0.23%
1985 1.76% 0.23%
1984 1.91% 0.16%
1983 2.28% 0.03%
1982 2.48% -0.04%
1981 2.49% 0.03%
1980 2.51% 0.12%
1979 2.54% 0.09%
1978 2.58% 0.005%
1977 2.6% -0.03%
1976 2.63% -0.02%
1975 2.64% -0.007%
1974 2.64% 0.06%
1973 2.4% 0.19%
1972 2.13% 0.34%
1971 1.73% 0.42%
1970 1.31% 0.4%
1969 1.32% 0.42%
1968 1.34% 0.49%
1967 1.27% 0.54%
1966 1.46% 0.55%
1965 1.91% 0.64%
1964 1.86% 0.65%
1963 1.6% 0.75%
1962 1.6% 0.85%
1961 1.54% 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-sudan/united-kingdom | CC BY

In 2025, the population of South Sudan grew by 2.05%, while the United Kingdom's population grew by 0.3%.

Live population counters

South Sudan United Kingdom
Current population
12565048
70071289
Population rank 80/197 22/197
Percent of world population 0.15% 0.84%
One net population change
2.15 minutes
2.56 minutes
One birth every
1.51 minutes
46 seconds
One death every
4.48 minutes
46.9 seconds
Daily growth/decline +672 +564
Annual growth/decline +245,380 +206,000
Annual growth/decline rate +2.05% +0.3%
Population growth rate rank 48/197 145/197
One migration net change every
1.43 hours
1.35 minutes
Annual migration change +6,145 +389,911
Net migration rank 50/196 4/196
Foreign-born residents 914,001 11,845,479
Foreign-born residents rank 62/195 4/195
Foreign-born share of population 7.7% 17.1%
Foreign-born share rank 77/195 36/195

Natural population change vs migration

South Sudan
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
South Sudan United Kingdom
Natural Migration Natural Migration
2025 - 6,145 - 389,911
2024 231,714 15,374 13,233 417,114
2023 217,966 455,000 34,606 445,523
2022 211,166 40,259 39,770 487,029
2021 213,567 -154,359 30,609 462,967
2020 212,332 62,935 -4,272 144,221
2019 209,708 65,198 108,338 232,727
2018 168,497 157,408 119,317 259,744
2017 72,193 -670,477 145,121 272,311
2016 110,553 -654,225 177,136 324,649
2015 148,542 -159,822 175,735 347,839
2014 227,611 -471,523 206,781 306,091
2013 315,983 65,337 198,827 237,272
2012 312,974 125,771 248,473 172,088
2011 303,181 194,325 259,361 228,773
2010 287,409 299,402 251,066 274,811
2009 278,859 139,129 230,422 249,639
2008 268,268 165,557 216,325 263,390
2007 256,546 167,350 196,232 309,385
2006 246,706 153,926 176,455 288,923
2005 239,272 132,869 144,963 308,279
2004 231,877 110,182 131,974 276,077
2003 225,822 91,951 89,471 211,846
2002 212,014 82,847 65,308 203,577
2001 204,108 77,856 65,032 175,133
2000 196,055 74,227 70,671 153,917
1999 180,721 70,271 64,551 152,653
1998 -12,157 64,285 87,730 125,541
1997 121,454 48,280 99,138 59,723
1996 116,728 17,953 98,884 54,964
1995 110,417 17,077 87,028 61,385
1994 165,407 16,407 127,304 45,339
1993 32,779 15,772 103,893 27,403
1992 28,874 15,077 149,709 17,846
1991 87,873 14,327 143,562 27,601
1990 82,900 12,988 154,569 57,132
1989 83,735 -130,821 119,861 49,586
1988 -125,447 -97,065 136,628 13,952
1987 5,756 -11,976 136,325 8,266
1986 99,502 -10,973 90,690 41,836
1985 95,342 -9,986 79,170 83,164
1984 90,970 -8,984 84,633 71,107
1983 104,107 -7,986 61,966 27,063
1982 118,641 -6,983 56,314 -61,152
1981 115,163 -5,994 73,234 -83,876
1980 112,307 -4,997 95,734 -25,187
1979 109,540 -3,997 61,872 11,255
1978 107,352 -2,998 16,859 3,783
1977 104,886 -1,997 0 -21,636
1976 102,346 -995 -5,621 -19,135
1975 99,882 -395 33,735 -40,241
1974 97,181 -192 67,476 -65,710
1973 94,765 0 112,389 -33,840
1972 74,803 193 162,650 -1,406
1971 72,308 394 257,123 1,175
1970 44,776 587 244,918 -15,254
1969 42,015 786 260,577 -60,655
1968 44,213 995 292,622 -38,852
1967 41,357 1,194 346,145 -39,659
1966 38,523 1,386 333,356 -27,935
1965 51,682 1,591 364,132 -24,955
1964 64,786 1,785 405,000 -23,885
1963 46,333 1,591 337,995 8,271
1962 47,406 1,386 340,800 76,443
1961 45,186 1,194 311,519 52,295
1960 42,945 995 314,400 19,953

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

GeoRank.org/population/south-sudan/united-kingdom | 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 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, 914,001 residents or 7.7% of the population were not native-born in South Sudan, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K
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-sudan/united-kingdom | 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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