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

Updated on by Georank

The latest officially reported population of Chad was 21,003,705 in 2025 vs 12,188,788 people in South Sudan in 2025. In 2026, based on the adjusted UN estimation, the current Chad's population is 21,855,137 people compared to 12,565,048 in South Sudan.

Population statistics:

  • Chad's population is 1.74 times bigger than South Sudan's.
  • Chad is ranked the 64th most populous country in the world, while South Sudan is the 80th.
  • The countries together account for 0.41% of the world: 0.26% for Chad vs 0.15% for South Sudan.
  • For the last 10 years, Chad has had an average growth rate of +3.63% per year vs +0.78% in South Sudan.
  • Since 2006, the population of Chad has increased from 10.7M people to 21.9M (104.1% growth), while South Sudan has grown from 7.98M to 12.6M (57.5% growth).

Chad vs South Sudan: population by year and forecast

Chad
Factual

Projection
South Sudan
Factual

Projection
1x
Year Population
Chad South Sudan
2100 70,311,013 24,078,379
2099 69,986,866 24,072,957
2098 69,662,155 24,054,947
2097 69,277,239 24,056,753
2096 68,889,445 24,045,972
2095 68,502,128 24,037,837
2094 68,110,775 24,039,267
2093 67,684,792 24,030,512
2092 67,233,921 24,010,555
2091 66,781,244 23,991,816
2090 66,290,702 23,970,012
2089 65,798,812 23,929,017
2088 65,317,154 23,883,712
2087 64,800,745 23,848,809
2086 64,278,192 23,794,890
2085 63,727,856 23,750,772
2084 63,168,104 23,678,728
2083 62,596,574 23,609,290
2082 62,040,380 23,532,790
2081 61,434,119 23,458,146
2080 60,826,765 23,383,482
2079 60,198,617 23,286,011
2078 59,555,772 23,188,860
2077 58,918,103 23,078,416
2076 58,275,388 22,979,198
2075 57,618,555 22,860,496
2074 56,965,122 22,718,148
2073 56,292,259 22,575,682
2072 55,597,279 22,431,004
2071 54,903,565 22,280,140
2070 54,214,047 22,143,813
2069 53,520,311 21,995,874
2068 52,818,046 21,822,076
2067 52,125,908 21,654,546
2066 51,388,975 21,489,275
2065 50,658,129 21,309,913
2064 49,900,784 21,134,522
2063 49,155,513 20,957,705
2062 48,403,186 20,777,701
2061 47,648,039 20,601,672
2060 46,859,349 20,423,629
2059 46,066,772 20,227,862
2058 45,285,757 20,041,880
2057 44,507,961 19,846,671
2056 43,722,007 19,652,407
2055 42,925,488 19,457,411
2054 42,142,940 19,250,667
2053 41,351,412 19,053,773
2052 40,559,038 18,833,795
2051 39,768,198 18,626,605
2050 38,981,624 18,427,690
2049 38,210,212 18,224,430
2048 37,418,176 18,014,650
2047 36,648,598 17,799,982
2046 35,880,269 17,572,953
2045 35,104,973 17,348,901
2044 34,352,050 17,115,914
2043 33,590,931 16,882,303
2042 32,837,006 16,639,465
2041 32,086,067 16,390,966
2040 31,362,066 16,137,104
2039 30,621,558 15,884,330
2038 29,886,177 15,622,514
2037 29,155,330 15,358,539
2036 28,422,010 15,085,936
2035 27,709,891 14,810,066
2034 27,003,635 14,538,365
2033 26,292,134 14,273,128
2032 25,581,739 14,002,178
2031 24,875,542 13,725,779
2030 24,183,856 13,460,850
2029 23,494,522 13,201,804
2028 22,809,219 12,942,501
2027 22,131,874 12,688,278
2026 21,562,855 12,434,895
2025 21,003,705 12,188,788
2024 20,299,123 11,943,408
2023 19,319,064 11,483,374
2022 18,455,316 11,021,177
2021 17,828,273 10,865,780
2020 17,224,679 10,698,467
2019 16,685,223 10,423,384
2018 16,156,531 10,122,977
2017 15,622,759 10,259,154
2016 15,114,655 10,830,102
2015 14,647,621 11,107,561
2014 14,188,678 11,235,073
2013 13,691,079 11,166,275
2012 13,210,998 10,756,240
2011 12,754,997 10,288,109
2010 12,312,575 9,745,953
2009 11,893,754 9,243,556
2008 11,476,296 8,817,647
2007 11,081,660 8,388,788
2006 10,706,424 7,976,526
2005 10,328,092 7,590,143
2004 9,920,036 7,233,041
2003 9,487,833 6,903,127
2002 9,116,192 6,596,806
2001 8,804,124 6,308,391
2000 8,512,093 6,032,267
1999 8,222,705 5,771,628
1998 7,938,840 5,620,068
1997 7,670,366 5,509,136
1996 7,410,108 5,356,925
1995 7,089,064 5,225,836
1994 6,783,450 5,071,184
1993 6,629,146 4,956,002
1992 6,474,656 4,909,749
1991 6,205,676 4,836,677
1990 5,982,833 4,737,633
1989 5,819,586 4,713,229
1988 5,625,602 4,848,029
1987 5,438,309 4,962,395
1986 5,251,069 4,921,240
1985 5,096,269 4,834,296
1984 5,045,145 4,750,627
1983 4,979,130 4,661,574
1982 4,738,483 4,557,686
1981 4,520,959 4,447,272
1980 4,515,453 4,339,030
1979 4,505,384 4,232,605
1978 4,411,366 4,127,657
1977 4,331,667 4,024,032
1976 4,251,297 3,921,910
1975 4,167,234 3,821,494
1974 4,078,356 3,723,259
1973 3,985,909 3,627,383
1972 3,893,252 3,542,497
1971 3,807,316 3,468,646
1970 3,727,828 3,409,614
1969 3,651,113 3,365,533
1968 3,578,231 3,321,528
1967 3,508,512 3,277,648
1966 3,440,903 3,236,423
1965 3,374,220 3,189,835
1964 3,307,479 3,129,918
1963 3,240,905 3,072,669
1962 3,175,598 3,024,308
1961 3,111,947 2,976,724
1960 3,049,838 2,931,559

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/chad/south-sudan | CC BY

From 2006 to 2016, the population of Chad increased by 4,408,231 people (a 41.2% growth), while South Sudan gained 2,853,576 people (a 35.8% growth).

For the next 10 years, from 2016 to 2026, Chad gained 6,740,482 people (a 44.6% growth), while South Sudan's population increased by 1,734,946 people (a 16% growth).

Chad was ranked 76th most populous country in 2006 and is 64th 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) Chad's population will grow by 78.4% to 38,981,624 people with a rank change from 64th to 52nd. The population of South Sudan will increase by 46.7% to 18,427,690 people and rank change from 80th to 78th.

Chad is projected to reach its peak in 2100 at 70.3M people compared to the peak of 24.1M people in 2100 for South Sudan.

Population growth rate by year

Chad
Factual

Projection
South Sudan
Factual

Projection
1x
Year Growth rate
Chad South Sudan
2100 0.46% 0.02%
2099 0.47% 0.07%
2098 0.56% -0.008%
2097 0.56% 0.04%
2096 0.57% 0.03%
2095 0.57% -0.006%
2094 0.63% 0.04%
2093 0.67% 0.08%
2092 0.68% 0.08%
2091 0.74% 0.09%
2090 0.75% 0.17%
2089 0.74% 0.19%
2088 0.8% 0.15%
2087 0.81% 0.23%
2086 0.86% 0.19%
2085 0.89% 0.3%
2084 0.91% 0.29%
2083 0.9% 0.33%
2082 0.99% 0.32%
2081 1% 0.32%
2080 1.04% 0.42%
2079 1.08% 0.42%
2078 1.08% 0.48%
2077 1.1% 0.43%
2076 1.14% 0.52%
2075 1.15% 0.63%
2074 1.2% 0.63%
2073 1.25% 0.64%
2072 1.26% 0.68%
2071 1.27% 0.62%
2070 1.3% 0.67%
2069 1.33% 0.8%
2068 1.33% 0.77%
2067 1.43% 0.77%
2066 1.44% 0.84%
2065 1.52% 0.83%
2064 1.52% 0.84%
2063 1.55% 0.87%
2062 1.58% 0.85%
2061 1.68% 0.87%
2060 1.72% 0.97%
2059 1.72% 0.93%
2058 1.75% 0.98%
2057 1.8% 0.99%
2056 1.86% 1%
2055 1.86% 1.07%
2054 1.91% 1.03%
2053 1.95% 1.17%
2052 1.99% 1.11%
2051 2.02% 1.08%
2050 2.02% 1.12%
2049 2.12% 1.16%
2048 2.1% 1.21%
2047 2.14% 1.29%
2046 2.21% 1.29%
2045 2.19% 1.36%
2044 2.27% 1.38%
2043 2.3% 1.46%
2042 2.34% 1.52%
2041 2.31% 1.57%
2040 2.42% 1.59%
2039 2.46% 1.68%
2038 2.51% 1.72%
2037 2.58% 1.81%
2036 2.57% 1.86%
2035 2.62% 1.87%
2034 2.71% 1.86%
2033 2.78% 1.94%
2032 2.84% 2.01%
2031 2.86% 1.97%
2030 2.93% 1.96%
2029 3% 2%
2028 3.06% 2%
2027 2.64% 2.04%
2026 2.66% 2.02%
2025 3.47% 2.05%
2024 5.07% 4.01%
2023 4.68% 4.19%
2022 3.52% 1.43%
2021 3.5% 1.56%
2020 3.23% 2.64%
2019 3.27% 2.97%
2018 3.42% -1.33%
2017 3.36% -5.27%
2016 3.19% -2.5%
2015 3.23% -1.13%
2014 3.63% 0.62%
2013 3.63% 3.81%
2012 3.58% 4.55%
2011 3.59% 5.56%
2010 3.52% 5.44%
2009 3.64% 4.83%
2008 3.56% 5.11%
2007 3.5% 5.17%
2006 3.66% 5.09%
2005 4.11% 4.94%
2004 4.56% 4.78%
2003 4.08% 4.64%
2002 3.54% 4.57%
2001 3.43% 4.58%
2000 3.52% 4.52%
1999 3.58% 2.7%
1998 3.5% 2.01%
1997 3.51% 2.84%
1996 4.53% 2.51%
1995 4.51% 3.05%
1994 2.33% 2.32%
1993 2.39% 0.94%
1992 4.33% 1.51%
1991 3.72% 2.09%
1990 2.81% 0.52%
1989 3.45% -2.78%
1988 3.44% -2.3%
1987 3.57% 0.84%
1986 3.04% 1.8%
1985 1.01% 1.76%
1984 1.33% 1.91%
1983 5.08% 2.28%
1982 4.81% 2.48%
1981 0.12% 2.49%
1980 0.22% 2.51%
1979 2.13% 2.54%
1978 1.84% 2.58%
1977 1.89% 2.6%
1976 2.02% 2.63%
1975 2.18% 2.64%
1974 2.32% 2.64%
1973 2.38% 2.4%
1972 2.26% 2.13%
1971 2.13% 1.73%
1970 2.1% 1.31%
1969 2.04% 1.32%
1968 1.99% 1.34%
1967 1.96% 1.27%
1966 1.98% 1.46%
1965 2.02% 1.91%
1964 2.05% 1.86%
1963 2.06% 1.6%
1962 2.05% 1.6%
1961 2.04% 1.54%

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/chad/south-sudan | CC BY

In 2025, the population of Chad grew by 3.47%, while South Sudan's population grew by 2.05%.

Live population counters

Chad South Sudan
Current population
21855137
12565048
Population rank 64/197 80/197
Percent of world population 0.26% 0.15%
One net population change
44.9 seconds
2.15 minutes
One birth every
35.9 seconds
1.51 minutes
One death every
2.34 minutes
4.48 minutes
Daily growth/decline +1,930 +672
Annual growth/decline +704,582 +245,380
Annual growth/decline rate +3.47% +2.05%
Population growth rate rank 6/197 48/197
One migration net change every
4.28 minutes
1.43 hours
Annual migration change -123,104 +6,145
Net migration rank 184/196 50/196
Foreign-born residents 1,269,673 914,001
Foreign-born residents rank 50/195 62/195
Foreign-born share of population 6.3% 7.7%
Foreign-born share rank 83/195 77/195

Natural population change vs migration

Chad
Natural

Migration
South Sudan
Natural

Migration
1x
Year Population change
Chad South Sudan
Natural Migration Natural Migration
2025 - -123,104 - 6,145
2024 653,307 204,040 231,714 15,374
2023 605,924 496,830 217,966 455,000
2022 588,060 36,670 211,166 40,259
2021 554,851 74,509 213,567 -154,359
2020 541,234 36,605 212,332 62,935
2019 530,540 -29,451 209,708 65,198
2018 509,642 46,661 168,497 157,408
2017 494,304 16,916 72,193 -670,477
2016 483,442 21,540 110,553 -654,225
2015 478,010 -48,918 148,542 -159,822
2014 467,957 20,842 227,611 -471,523
2013 454,517 51,887 315,983 65,337
2012 444,246 9,514 312,974 125,771
2011 428,989 29,256 303,181 194,325
2010 416,177 10,427 287,409 299,402
2009 401,937 9,108 278,859 139,129
2008 387,439 36,446 268,268 165,557
2007 376,732 -11,339 256,546 167,350
2006 362,027 23,052 246,706 153,926
2005 352,302 19,281 239,272 132,869
2004 334,136 110,387 231,877 110,182
2003 314,740 105,140 225,822 91,951
2002 302,995 20,400 212,014 82,847
2001 297,254 3,484 204,108 77,856
2000 287,173 -3,845 196,055 74,227
1999 278,264 17,175 180,721 70,271
1998 270,055 2,232 -12,157 64,285
1997 261,030 3,631 121,454 48,280
1996 254,589 1,259 116,728 17,953
1995 234,010 152,232 110,417 17,077
1994 223,996 986 165,407 16,407
1993 229,984 -146,386 32,779 15,772
1992 219,348 6,013 28,874 15,077
1991 200,102 112,492 87,873 14,327
1990 191,959 -58,884 82,900 12,988
1989 188,485 4,924 83,735 -130,821
1988 178,489 16,085 -125,447 -97,065
1987 156,797 23,220 5,756 -11,976
1986 152,360 42,093 99,502 -10,973
1985 145,845 -30,686 95,342 -9,986
1984 151,511 -164,489 90,970 -8,984
1983 144,684 247 104,107 -7,986
1982 119,121 217,242 118,641 -6,983
1981 111,907 -13,232 115,163 -5,994
1980 122,468 -210,126 112,307 -4,997
1979 117,780 -9,974 109,540 -3,997
1978 115,084 -34,856 107,352 -2,998
1977 113,498 -34,318 104,886 -1,997
1976 111,324 -29,755 102,346 -995
1975 109,315 -22,768 99,882 -395
1974 106,898 -15,686 97,181 -192
1973 104,418 -10,737 94,765 0
1972 101,142 -9,526 74,803 193
1971 89,404 -9,153 72,308 394
1970 87,660 -8,931 44,776 587
1969 83,413 -8,714 42,015 786
1968 79,465 -8,396 44,213 995
1967 76,142 -7,771 41,357 1,194
1966 73,123 -6,283 38,523 1,386
1965 70,913 -4,384 51,682 1,591
1964 69,483 -2,518 64,786 1,785
1963 67,414 -1,228 46,333 1,591
1962 65,312 -890 47,406 1,386
1961 63,639 -760 45,186 1,194
1960 62,003 -672 42,945 995

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

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

Over the last 10 years, 86.4% of the population change in Chad is from natural causes (a gain of 5,439,314 people) and 13.6% is from migration (a gain of 855,402 people). In South Sudan 68.1% is from natural causes (a gain of 1,796,238 people) and 31.9% is from migration (a loss of 842,709 people).

As of 2024, 1,269,673 residents or 6.3% of the population were not native-born in Chad, compared to 914,001 people or 7.7% in South Sudan.

Biggest cities by population

Chad
City Population
N'Djamena 1.09M
Sarh 108K
Abeche 76.5K
Bongor 27.8K
Bol 11.7K
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 (1960–2025, 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/chad/south-sudan | 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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