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

Updated on by Georank

The latest officially reported population of South Sudan was 12,188,788 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current South Sudan's population is 12,565,048 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 5.7 times bigger than South Sudan's.
  • South Sudan is ranked the 80th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 1.01% of the world: 0.15% for South Sudan vs 0.86% for Thailand.
  • For the last 10 years, South Sudan has had an average growth rate of +0.78% per year vs +0.18% in Thailand.
  • Since 2006, the population of South Sudan has increased from 7.98M people to 12.6M (57.5% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

South Sudan vs Thailand: population by year and forecast

South Sudan
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
South Sudan Thailand
2100 24,078,379 45,708,431
2099 24,072,957 46,053,146
2098 24,054,947 46,403,189
2097 24,056,753 46,757,918
2096 24,045,972 47,118,652
2095 24,037,837 47,484,043
2094 24,039,267 47,853,561
2093 24,030,512 48,226,682
2092 24,010,555 48,605,235
2091 23,991,816 48,984,504
2090 23,970,012 49,368,049
2089 23,929,017 49,756,629
2088 23,883,712 50,142,276
2087 23,848,809 50,532,164
2086 23,794,890 50,925,294
2085 23,750,772 51,321,960
2084 23,678,728 51,724,454
2083 23,609,290 52,127,592
2082 23,532,790 52,533,368
2081 23,458,146 52,938,345
2080 23,383,482 53,347,733
2079 23,286,011 53,762,492
2078 23,188,860 54,177,529
2077 23,078,416 54,595,112
2076 22,979,198 55,015,291
2075 22,860,496 55,438,108
2074 22,718,148 55,867,914
2073 22,575,682 56,300,358
2072 22,431,004 56,735,274
2071 22,280,140 57,172,515
2070 22,143,813 57,616,731
2069 21,995,874 58,061,962
2068 21,822,076 58,512,248
2067 21,654,546 58,962,990
2066 21,489,275 59,413,893
2065 21,309,913 59,873,261
2064 21,134,522 60,331,851
2063 20,957,705 60,792,306
2062 20,777,701 61,257,068
2061 20,601,672 61,720,030
2060 20,423,629 62,187,380
2059 20,227,862 62,651,158
2058 20,041,880 63,113,332
2057 19,846,671 63,572,746
2056 19,652,407 64,027,520
2055 19,457,411 64,473,146
2054 19,250,667 64,912,210
2053 19,053,773 65,338,122
2052 18,833,795 65,758,061
2051 18,626,605 66,162,612
2050 18,427,690 66,552,915
2049 18,224,430 66,931,487
2048 18,014,650 67,291,479
2047 17,799,982 67,636,461
2046 17,572,953 67,967,131
2045 17,348,901 68,281,902
2044 17,115,914 68,579,656
2043 16,882,303 68,864,788
2042 16,639,465 69,133,982
2041 16,390,966 69,390,832
2040 16,137,104 69,626,857
2039 15,884,330 69,848,522
2038 15,622,514 70,056,903
2037 15,358,539 70,250,371
2036 15,085,936 70,429,677
2035 14,810,066 70,599,021
2034 14,538,365 70,751,094
2033 14,273,128 70,891,510
2032 14,002,178 71,019,665
2031 13,725,779 71,134,882
2030 13,460,850 71,241,584
2029 13,201,804 71,337,147
2028 12,942,501 71,423,119
2027 12,688,278 71,499,411
2026 12,434,895 71,565,981
2025 12,188,788 71,619,863
2024 11,943,408 71,668,011
2023 11,483,374 71,702,435
2022 11,021,177 71,735,329
2021 10,865,780 71,727,332
2020 10,698,467 71,641,484
2019 10,423,384 71,522,271
2018 10,122,977 71,376,079
2017 10,259,154 71,160,187
2016 10,830,102 70,859,841
2015 11,107,561 70,540,795
2014 11,235,073 70,216,367
2013 11,166,275 69,845,114
2012 10,756,240 69,436,098
2011 10,288,109 69,007,208
2010 9,745,953 68,579,447
2009 9,243,556 68,121,080
2008 8,817,647 67,619,830
2007 8,388,788 67,102,394
2006 7,976,526 66,567,687
2005 7,590,143 66,017,420
2004 7,233,041 65,452,047
2003 6,903,127 64,868,166
2002 6,596,806 64,266,437
2001 6,308,391 63,651,141
2000 6,032,267 63,007,815
1999 5,771,628 62,299,043
1998 5,620,068 61,522,630
1997 5,509,136 60,724,584
1996 5,356,925 59,920,064
1995 5,225,836 59,098,232
1994 5,071,184 58,260,854
1993 4,956,002 57,408,198
1992 4,909,749 56,528,834
1991 4,836,677 55,637,434
1990 4,737,633 54,738,329
1989 4,713,229 53,848,956
1988 4,848,029 52,969,595
1987 4,962,395 52,074,105
1986 4,921,240 51,177,834
1985 4,834,296 50,270,753
1984 4,750,627 49,351,708
1983 4,661,574 48,423,309
1982 4,557,686 47,494,577
1981 4,447,272 46,575,855
1980 4,339,030 45,650,022
1979 4,232,605 44,718,434
1978 4,127,657 43,788,976
1977 4,024,032 42,843,974
1976 3,921,910 41,896,504
1975 3,821,494 40,940,005
1974 3,723,259 39,952,891
1973 3,627,383 38,947,787
1972 3,542,497 37,933,929
1971 3,468,646 36,937,387
1970 3,409,614 35,954,408
1969 3,365,533 34,973,782
1968 3,321,528 34,002,560
1967 3,277,648 33,037,801
1966 3,236,423 32,086,071
1965 3,189,835 31,149,337
1964 3,129,918 30,232,141
1963 3,072,669 29,342,322
1962 3,024,308 28,481,040
1961 2,976,724 27,650,334
1960 2,931,559 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of South Sudan increased by 2,853,576 people (a 35.8% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, South Sudan gained 1,734,946 people (a 16% growth), while Thailand's population increased by 706,140 people (a 1% growth).

South Sudan was ranked 92nd most populous country in 2006 and is 80th in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

South Sudan is projected to reach its peak in 2100 at 24.1M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

South Sudan
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
South Sudan Thailand
2100 0.02% -0.75%
2099 0.07% -0.75%
2098 -0.008% -0.76%
2097 0.04% -0.77%
2096 0.03% -0.77%
2095 -0.006% -0.77%
2094 0.04% -0.77%
2093 0.08% -0.78%
2092 0.08% -0.77%
2091 0.09% -0.78%
2090 0.17% -0.78%
2089 0.19% -0.77%
2088 0.15% -0.77%
2087 0.23% -0.77%
2086 0.19% -0.77%
2085 0.3% -0.78%
2084 0.29% -0.77%
2083 0.33% -0.77%
2082 0.32% -0.76%
2081 0.32% -0.77%
2080 0.42% -0.77%
2079 0.42% -0.77%
2078 0.48% -0.76%
2077 0.43% -0.76%
2076 0.52% -0.76%
2075 0.63% -0.77%
2074 0.63% -0.77%
2073 0.64% -0.77%
2072 0.68% -0.76%
2071 0.62% -0.77%
2070 0.67% -0.77%
2069 0.8% -0.77%
2068 0.77% -0.76%
2067 0.77% -0.76%
2066 0.84% -0.77%
2065 0.83% -0.76%
2064 0.84% -0.76%
2063 0.87% -0.76%
2062 0.85% -0.75%
2061 0.87% -0.75%
2060 0.97% -0.74%
2059 0.93% -0.73%
2058 0.98% -0.72%
2057 0.99% -0.71%
2056 1% -0.69%
2055 1.07% -0.68%
2054 1.03% -0.65%
2053 1.17% -0.64%
2052 1.11% -0.61%
2051 1.08% -0.59%
2050 1.12% -0.57%
2049 1.16% -0.53%
2048 1.21% -0.51%
2047 1.29% -0.49%
2046 1.29% -0.46%
2045 1.36% -0.43%
2044 1.38% -0.41%
2043 1.46% -0.39%
2042 1.52% -0.37%
2041 1.57% -0.34%
2040 1.59% -0.32%
2039 1.68% -0.3%
2038 1.72% -0.28%
2037 1.81% -0.25%
2036 1.86% -0.24%
2035 1.87% -0.21%
2034 1.86% -0.2%
2033 1.94% -0.18%
2032 2.01% -0.16%
2031 1.97% -0.15%
2030 1.96% -0.13%
2029 2% -0.12%
2028 2% -0.11%
2027 2.04% -0.09%
2026 2.02% -0.08%
2025 2.05% -0.07%
2024 4.01% -0.05%
2023 4.19% -0.05%
2022 1.43% 0.01%
2021 1.56% 0.12%
2020 2.64% 0.17%
2019 2.97% 0.2%
2018 -1.33% 0.3%
2017 -5.27% 0.42%
2016 -2.5% 0.45%
2015 -1.13% 0.46%
2014 0.62% 0.53%
2013 3.81% 0.59%
2012 4.55% 0.62%
2011 5.56% 0.62%
2010 5.44% 0.67%
2009 4.83% 0.74%
2008 5.11% 0.77%
2007 5.17% 0.8%
2006 5.09% 0.83%
2005 4.94% 0.86%
2004 4.78% 0.9%
2003 4.64% 0.94%
2002 4.57% 0.97%
2001 4.58% 1.02%
2000 4.52% 1.14%
1999 2.7% 1.26%
1998 2.01% 1.31%
1997 2.84% 1.34%
1996 2.51% 1.39%
1995 3.05% 1.44%
1994 2.32% 1.49%
1993 0.94% 1.56%
1992 1.51% 1.6%
1991 2.09% 1.64%
1990 0.52% 1.65%
1989 -2.78% 1.66%
1988 -2.3% 1.72%
1987 0.84% 1.75%
1986 1.8% 1.8%
1985 1.76% 1.86%
1984 1.91% 1.92%
1983 2.28% 1.96%
1982 2.48% 1.97%
1981 2.49% 2.03%
1980 2.51% 2.08%
1979 2.54% 2.12%
1978 2.58% 2.21%
1977 2.6% 2.26%
1976 2.63% 2.34%
1975 2.64% 2.47%
1974 2.64% 2.58%
1973 2.4% 2.67%
1972 2.13% 2.7%
1971 1.73% 2.73%
1970 1.31% 2.8%
1969 1.32% 2.86%
1968 1.34% 2.92%
1967 1.27% 2.97%
1966 1.46% 3.01%
1965 1.91% 3.03%
1964 1.86% 3.03%
1963 1.6% 3.02%
1962 1.6% 3%
1961 1.54% 2.97%

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/thailand | CC BY

In 2025, the population of South Sudan grew by 2.05%, while Thailand's population declined by 0.07%.

Live population counters

South Sudan Thailand
Current population
12565048
71565981
Population rank 80/197 21/197
Percent of world population 0.15% 0.86%
One net population change
2.15 minutes
10.9 minutes
One birth every
1.51 minutes
54.2 seconds
One death every
4.48 minutes
48.7 seconds
Daily growth/decline +672 -132
Annual growth/decline +245,380 -48,148
Annual growth/decline rate +2.05% -0.07%
Population growth rate rank 48/197 164/197
One migration net change every
1.43 hours
19.2 minutes
Annual migration change +6,145 +27,509
Net migration rank 50/196 30/196
Foreign-born residents 914,001 3,179,399
Foreign-born residents rank 62/195 21/195
Foreign-born share of population 7.7% 4.4%
Foreign-born share rank 77/195 100/195

Natural population change vs migration

South Sudan
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
South Sudan Thailand
Natural Migration Natural Migration
2025 - 6,145 - 27,509
2024 231,714 15,374 -65,720 23,321
2023 217,966 455,000 -46,105 19,648
2022 211,166 40,259 -61,046 21,683
2021 213,567 -154,359 57,382 -2,093
2020 212,332 62,935 84,107 32,277
2019 209,708 65,198 116,867 5,221
2018 168,497 157,408 159,383 10,984
2017 72,193 -670,477 194,695 66,805
2016 110,553 -654,225 226,255 112,978
2015 148,542 -159,822 266,362 32,500
2014 227,611 -471,523 294,628 55,358
2013 315,983 65,337 325,059 67,452
2012 312,974 125,771 351,485 74,033
2011 303,181 194,325 365,670 66,607
2010 287,409 299,402 370,466 52,791
2009 278,859 139,129 382,636 110,883
2008 268,268 165,557 401,730 107,333
2007 256,546 167,350 425,362 100,486
2006 246,706 153,926 441,211 102,362
2005 239,272 132,869 456,378 100,542
2004 231,877 110,182 466,542 107,199
2003 225,822 91,951 488,003 105,917
2002 212,014 82,847 504,299 105,215
2001 204,108 77,856 524,230 96,817
2000 196,055 74,227 543,884 121,640
1999 180,721 70,271 578,073 173,924
1998 -12,157 64,285 617,318 183,471
1997 121,454 48,280 644,834 150,411
1996 116,728 17,953 661,397 152,397
1995 110,417 17,077 682,703 147,226
1994 165,407 16,407 712,589 132,271
1993 32,779 15,772 737,696 122,746
1992 28,874 15,077 754,999 143,318
1991 87,873 14,327 760,508 124,034
1990 82,900 12,988 760,808 152,916
1989 83,735 -130,821 774,563 90,497
1988 -125,447 -97,065 765,252 128,469
1987 5,756 -11,976 774,498 122,791
1986 99,502 -10,973 783,430 111,820
1985 95,342 -9,986 776,935 141,963
1984 90,970 -8,984 779,856 139,345
1983 104,107 -7,986 794,239 143,393
1982 118,641 -6,983 817,951 101,885
1981 115,163 -5,994 839,297 78,337
1980 112,307 -4,997 845,575 88,478
1979 109,540 -3,997 843,434 85,693
1978 107,352 -2,998 847,799 82,011
1977 104,886 -1,997 871,232 88,937
1976 102,346 -995 894,072 40,656
1975 99,882 -395 911,980 66,306
1974 97,181 -192 923,151 72,801
1973 94,765 0 933,540 80,704
1972 74,803 193 940,420 73,082
1971 72,308 394 936,215 43,400
1970 44,776 587 937,116 49,221
1969 42,015 786 948,314 26,551
1968 44,213 995 953,806 13,718
1967 41,357 1,194 944,980 17,005
1966 38,523 1,386 929,469 12,016
1965 51,682 1,591 909,000 22,995
1964 64,786 1,785 885,137 17,249
1963 46,333 1,591 860,728 16,494
1962 47,406 1,386 828,741 16,605
1961 45,186 1,194 801,140 14,968
1960 42,945 995 774,190 6,886

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

GeoRank.org/population/south-sudan/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 914,001 residents or 7.7% of the population were not native-born in South Sudan, compared to 3,179,399 people or 4.4% in Thailand.

Biggest cities by population

South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

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/thailand | 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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