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

Updated on by Georank team

The latest officially reported population of Mongolia was 3,524,788 in 2024 vs 11,943,408 people in South Sudan in 2024. In 2026, based on the adjusted UN estimation, the current Mongolia's population is 3,620,317 people compared to 12,507,858 in South Sudan.

Population statistics:

  • South Sudan's population is 3.45 times bigger than Mongolia's.
  • Mongolia is ranked the 132nd most populous country in the world, while South Sudan is the 80th.
  • The countries together account for 0.19% of the world: 0.04% for Mongolia vs 0.15% for South Sudan.
  • For the last 10 years, Mongolia has had an average growth rate of +1.79% per year vs +0.65% in South Sudan.
  • Since 2006, the population of Mongolia has increased from 2.57M people to 3.62M (41% growth), while South Sudan has grown from 7.98M to 12.5M (56.8% growth).

Mongolia vs South Sudan: population by year and forecast

Mongolia
Factual

Projection
South Sudan
Factual

Projection
1x
Year Population
Mongolia South Sudan
2100 5,629,299 24,086,901
2099 5,623,066 24,081,477
2098 5,615,212 24,063,461
2097 5,606,511 24,065,268
2096 5,597,140 24,054,483
2095 5,585,917 24,046,345
2094 5,574,522 24,047,776
2093 5,562,381 24,039,017
2092 5,549,290 24,019,054
2091 5,535,819 24,000,308
2090 5,521,210 23,978,496
2089 5,505,877 23,937,487
2088 5,490,024 23,892,166
2087 5,474,226 23,857,250
2086 5,458,465 23,803,312
2085 5,441,196 23,759,178
2084 5,423,740 23,687,109
2083 5,405,563 23,617,646
2082 5,387,443 23,541,119
2081 5,368,417 23,466,449
2080 5,348,645 23,391,758
2079 5,328,073 23,294,252
2078 5,306,120 23,197,067
2077 5,285,225 23,086,584
2076 5,263,067 22,987,331
2075 5,240,553 22,868,587
2074 5,217,755 22,726,189
2073 5,194,484 22,583,672
2072 5,171,399 22,438,943
2071 5,147,939 22,288,026
2070 5,123,730 22,151,650
2069 5,100,078 22,003,659
2068 5,075,923 21,829,800
2067 5,051,712 21,662,211
2066 5,026,451 21,496,881
2065 5,001,559 21,317,455
2064 4,977,095 21,142,002
2063 4,952,721 20,965,122
2062 4,928,284 20,785,055
2061 4,903,616 20,608,964
2060 4,877,808 20,430,857
2059 4,851,900 20,235,022
2058 4,825,704 20,048,974
2057 4,798,069 19,853,696
2056 4,770,106 19,659,362
2055 4,741,145 19,464,297
2054 4,710,703 19,257,481
2053 4,678,720 19,060,517
2052 4,645,641 18,840,461
2051 4,611,080 18,633,198
2050 4,575,698 18,434,212
2049 4,538,221 18,230,881
2048 4,499,652 18,021,026
2047 4,459,534 17,806,282
2046 4,418,220 17,579,173
2045 4,375,263 17,355,041
2044 4,332,061 17,121,972
2043 4,288,836 16,888,278
2042 4,244,827 16,645,354
2041 4,200,917 16,396,768
2040 4,157,409 16,142,816
2039 4,114,122 15,889,952
2038 4,071,754 15,628,043
2037 4,029,761 15,363,975
2036 3,988,994 15,091,275
2035 3,949,374 14,815,307
2034 3,910,459 14,543,511
2033 3,872,505 14,278,180
2032 3,835,471 14,007,134
2031 3,799,194 13,730,637
2030 3,762,550 13,465,615
2029 3,725,673 13,206,477
2028 3,687,959 12,947,082
2027 3,649,213 12,692,769
2026 3,609,604 12,439,296
2025 3,568,196 12,193,102
2024 3,524,788 11,943,408
2023 3,481,145 11,483,374
2022 3,433,748 11,021,177
2021 3,383,741 10,865,780
2020 3,327,204 10,698,467
2019 3,267,673 10,423,384
2018 3,208,189 10,122,977
2017 3,148,917 10,259,154
2016 3,088,856 10,830,102
2015 3,026,864 11,107,561
2014 2,963,113 11,235,073
2013 2,899,011 11,166,275
2012 2,839,705 10,756,240
2011 2,786,317 10,288,109
2010 2,738,622 9,745,953
2009 2,691,115 9,243,556
2008 2,643,201 8,817,647
2007 2,601,850 8,388,788
2006 2,567,168 7,976,526
2005 2,536,407 7,590,143
2004 2,508,412 7,233,041
2003 2,480,374 6,903,127
2002 2,449,027 6,596,806
2001 2,417,751 6,308,391
2000 2,388,299 6,032,267
1999 2,356,813 5,771,628
1998 2,323,809 5,620,068
1997 2,291,750 5,509,136
1996 2,259,507 5,356,925
1995 2,224,945 5,225,836
1994 2,189,395 5,071,184
1993 2,165,130 4,956,002
1992 2,167,790 4,909,749
1991 2,165,342 4,836,677
1990 2,098,710 4,737,633
1989 2,124,185 4,713,229
1988 2,076,322 4,848,029
1987 2,022,800 4,962,395
1986 1,970,965 4,921,240
1985 1,921,514 4,834,296
1984 1,874,349 4,750,627
1983 1,829,092 4,661,574
1982 1,785,364 4,557,686
1981 1,742,857 4,447,272
1980 1,701,335 4,339,030
1979 1,660,659 4,232,605
1978 1,619,468 4,127,657
1977 1,576,245 4,024,032
1976 1,531,945 3,921,910
1975 1,488,296 3,821,494
1974 1,446,050 3,723,259
1973 1,405,502 3,627,383
1972 1,366,821 3,542,497
1971 1,330,071 3,468,646
1970 1,295,272 3,409,614
1969 1,262,284 3,365,533
1968 1,229,930 3,321,528
1967 1,196,996 3,277,648
1966 1,163,754 3,236,423
1965 1,131,177 3,189,835
1964 1,100,234 3,129,918
1963 1,071,362 3,072,669
1962 1,041,444 3,024,308
1961 1,009,284 2,976,724
1960 977,595 2,931,559

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/mongolia/south-sudan | CC BY

From 2006 to 2016, the population of Mongolia increased by 521,688 people (a 20.3% growth), while South Sudan gained 2,853,576 people (a 35.8% growth).

For the next 10 years, from 2016 to 2026, Mongolia gained 531,461 people (a 17.2% growth), while South Sudan's population increased by 1,677,756 people (a 15.5% growth).

Mongolia was ranked 137th most populous country in 2006 and is 132nd in 2026. South Sudan was ranked 92nd in 2006 and ranked 80th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mongolia's population will grow by 26.4% to 4,575,698 people with a rank change from 132nd to 130th. The population of South Sudan will increase by 47.4% to 18,434,212 people and rank change from 80th to 78th.

Mongolia is projected to reach its peak in 2100 at 5.63M people compared to the peak of 24.1M people in 2100 for South Sudan.

Population growth rate by year

Mongolia
Factual

Projection
South Sudan
Factual

Projection
1x
Year Growth rate
Mongolia South Sudan
2100 0.11% 0.02%
2099 0.14% 0.07%
2098 0.16% -0.008%
2097 0.17% 0.04%
2096 0.2% 0.03%
2095 0.2% -0.006%
2094 0.22% 0.04%
2093 0.24% 0.08%
2092 0.24% 0.08%
2091 0.26% 0.09%
2090 0.28% 0.17%
2089 0.29% 0.19%
2088 0.29% 0.15%
2087 0.29% 0.23%
2086 0.32% 0.19%
2085 0.32% 0.3%
2084 0.34% 0.29%
2083 0.34% 0.33%
2082 0.35% 0.32%
2081 0.37% 0.32%
2080 0.39% 0.42%
2079 0.41% 0.42%
2078 0.4% 0.48%
2077 0.42% 0.43%
2076 0.43% 0.52%
2075 0.44% 0.63%
2074 0.45% 0.63%
2073 0.45% 0.64%
2072 0.46% 0.68%
2071 0.47% 0.62%
2070 0.46% 0.67%
2069 0.48% 0.8%
2068 0.48% 0.77%
2067 0.5% 0.77%
2066 0.5% 0.84%
2065 0.49% 0.83%
2064 0.49% 0.84%
2063 0.5% 0.87%
2062 0.5% 0.85%
2061 0.53% 0.87%
2060 0.53% 0.97%
2059 0.54% 0.93%
2058 0.58% 0.98%
2057 0.59% 0.99%
2056 0.61% 1%
2055 0.65% 1.07%
2054 0.68% 1.03%
2053 0.71% 1.17%
2052 0.75% 1.11%
2051 0.77% 1.08%
2050 0.83% 1.12%
2049 0.86% 1.16%
2048 0.9% 1.21%
2047 0.94% 1.29%
2046 0.98% 1.29%
2045 1% 1.36%
2044 1.01% 1.38%
2043 1.04% 1.46%
2042 1.05% 1.52%
2041 1.05% 1.57%
2040 1.05% 1.59%
2039 1.04% 1.68%
2038 1.04% 1.72%
2037 1.02% 1.81%
2036 1% 1.86%
2035 1% 1.87%
2034 0.98% 1.86%
2033 0.97% 1.94%
2032 0.95% 2.01%
2031 0.97% 1.97%
2030 0.99% 1.96%
2029 1.02% 2%
2028 1.06% 2%
2027 1.1% 2.04%
2026 1.16% 2.02%
2025 1.23% 2.09%
2024 1.25% 4.01%
2023 1.38% 4.19%
2022 1.48% 1.43%
2021 1.7% 1.56%
2020 1.82% 2.64%
2019 1.85% 2.97%
2018 1.88% -1.33%
2017 1.94% -5.27%
2016 2.05% -2.5%
2015 2.15% -1.13%
2014 2.21% 0.62%
2013 2.09% 3.81%
2012 1.92% 4.55%
2011 1.74% 5.56%
2010 1.77% 5.44%
2009 1.81% 4.83%
2008 1.59% 5.11%
2007 1.35% 5.17%
2006 1.21% 5.09%
2005 1.12% 4.94%
2004 1.13% 4.78%
2003 1.28% 4.64%
2002 1.29% 4.57%
2001 1.23% 4.58%
2000 1.34% 4.52%
1999 1.42% 2.7%
1998 1.4% 2.01%
1997 1.43% 2.84%
1996 1.55% 2.51%
1995 1.62% 3.05%
1994 1.12% 2.32%
1993 -0.12% 0.94%
1992 0.11% 1.51%
1991 3.17% 2.09%
1990 -1.2% 0.52%
1989 2.31% -2.78%
1988 2.65% -2.3%
1987 2.63% 0.84%
1986 2.57% 1.8%
1985 2.52% 1.76%
1984 2.47% 1.91%
1983 2.45% 2.28%
1982 2.44% 2.48%
1981 2.44% 2.49%
1980 2.45% 2.51%
1979 2.54% 2.54%
1978 2.74% 2.58%
1977 2.89% 2.6%
1976 2.93% 2.63%
1975 2.92% 2.64%
1974 2.88% 2.64%
1973 2.83% 2.4%
1972 2.76% 2.13%
1971 2.69% 1.73%
1970 2.61% 1.31%
1969 2.63% 1.32%
1968 2.75% 1.34%
1967 2.86% 1.27%
1966 2.88% 1.46%
1965 2.81% 1.91%
1964 2.69% 1.86%
1963 2.87% 1.6%
1962 3.19% 1.6%
1961 3.24% 1.54%

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/mongolia/south-sudan | CC BY

In 2024, the population of Mongolia grew by 1.25%, while South Sudan's population grew by 4.01%.

Live population counters

Mongolia South Sudan
Current population
3620317
12507858
Population rank 132/197 80/197
Percent of world population 0.04% 0.15%
One net population change
12 minutes
1.14 minutes
One birth every
7.95 minutes
1.6 minutes
One death every
27.5 minutes
4.76 minutes
Daily growth/decline +120 +1,260
Annual growth/decline +43,643 +460,034
Annual growth/decline rate +1.25% +4.01%
Population growth rate rank 86/197 7/197
One migration net change every
4.63 days
1.43 hours
Annual migration change +79 +6,145
Net migration rank 74/196 50/196
Foreign-born residents 22,589 914,001
Foreign-born residents rank 169/195 62/195
Foreign-born share of population 0.6% 7.7%
Foreign-born share rank 171/195 77/195

Natural population change vs migration

Mongolia
Natural

Migration
South Sudan
Natural

Migration
1x
Year Population change
Mongolia South Sudan
Natural Migration Natural Migration
2025 - 79 - 6,145
2024 - 83 - 15,374
2023 46,995 0 217,966 455,000
2022 47,730 0 211,166 40,259
2021 52,109 0 213,567 -154,359
2020 60,888 0 212,332 62,935
2019 61,433 8,660 209,708 65,198
2018 60,635 7,811 168,497 157,408
2017 57,940 6,831 72,193 -670,477
2016 62,086 5,633 110,553 -654,225
2015 64,473 4,307 148,542 -159,822
2014 66,078 2,921 227,611 -471,523
2013 62,618 1,505 315,983 65,337
2012 55,942 351 312,974 125,771
2011 50,711 -505 303,181 194,325
2010 44,914 -6,444 287,409 299,402
2009 48,876 -15,007 278,859 139,129
2008 45,843 -17,277 268,268 165,557
2007 39,636 -15,220 256,546 167,350
2006 33,609 -11,934 246,706 153,926
2005 29,290 -8,924 239,272 132,869
2004 28,418 -8,148 231,877 110,182
2003 28,827 -7,986 225,822 91,951
2002 30,439 -8,934 212,014 82,847
2001 32,052 -10,244 204,108 77,856
2000 32,753 -11,241 196,055 74,227
1999 32,283 -13,481 180,721 70,271
1998 31,757 -10,315 -12,157 64,285
1997 32,403 -9,132 121,454 48,280
1996 33,741 -8,626 116,728 17,953
1995 34,473 -7,346 110,417 17,077
1994 34,711 -5,449 165,407 16,407
1993 36,924 -5,429 32,779 15,772
1992 42,437 -8,404 28,874 15,077
1991 47,884 -11,427 87,873 14,327
1990 49,443 -11,881 82,900 12,988
1989 51,420 -9,757 83,735 -130,821
1988 51,588 2,459 -125,447 -97,065
1987 51,140 1,855 5,756 -11,976
1986 50,329 354 99,502 -10,973
1985 49,944 -1,719 95,342 -9,986
1984 48,562 -2,452 90,970 -8,984
1983 46,919 -2,522 104,107 -7,986
1982 45,179 -2,132 118,641 -6,983
1981 43,588 -1,615 115,163 -5,994
1980 42,343 -1,268 112,307 -4,997
1979 41,568 -1,296 109,540 -3,997
1978 40,276 1,833 107,352 -2,998
1977 38,995 5,354 104,886 -1,997
1976 37,670 6,577 102,346 -995
1975 36,490 6,556 99,882 -395
1974 35,297 6,153 97,181 -192
1973 33,993 5,647 94,765 0
1972 32,727 4,999 74,803 193
1971 31,536 4,238 72,308 394
1970 30,558 3,263 44,776 587
1969 29,781 2,366 42,015 786
1968 29,017 3,535 44,213 995
1967 28,178 5,139 41,357 1,194
1966 27,338 5,837 38,523 1,386
1965 26,364 5,610 51,682 1,591
1964 25,317 4,599 64,786 1,785
1963 24,142 3,687 46,333 1,591
1962 22,960 9,049 47,406 1,386
1961 21,873 10,440 45,186 1,194
1960 20,726 10,334 42,945 995

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

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

Over the last 10 years, 94.1% of the population change in Mongolia is from natural causes (a gain of 580,367 people) and 5.87% is from migration (a gain of 36,163 people). In South Sudan 57.4% is from natural causes (a gain of 1,792,135 people) and 42.6% is from migration (a loss of 1,329,606 people).

As of 2024, 22,589 residents or 0.6% of the population were not native-born in Mongolia, compared to 914,001 people or 7.7% in South Sudan.

Biggest cities by population

Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K
South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K

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/mongolia/south-sudan | 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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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