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Population in the Congo compared to Tonga: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of the Congo was 6,332,961 in 2024 vs 104,175 people in Tonga in 2024. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,681,829 people compared to 103,309 in Tonga.

Population statistics:

  • The Congo's population is 64.7 times bigger than Tonga's.
  • The Congo is ranked the 109th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.08% of the world: 0.08% for the Congo vs 0.001% for Tonga.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs -0.25% in Tonga.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.68M (74.1% growth), while Tonga has declined from 106K to 103K (2.77% decline).

Congo vs Tonga: population by year and forecast

Congo
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Congo Tonga
2100 20,197,393 117,647
2099 20,056,338 117,615
2098 19,909,990 117,560
2097 19,763,169 117,522
2096 19,613,556 117,491
2095 19,462,505 117,414
2094 19,309,823 117,321
2093 19,154,254 117,237
2092 18,993,517 117,127
2091 18,831,137 117,013
2090 18,666,035 116,869
2089 18,500,705 116,712
2088 18,328,408 116,511
2087 18,156,542 116,307
2086 17,982,556 116,118
2085 17,810,599 115,902
2084 17,634,115 115,658
2083 17,455,922 115,366
2082 17,273,447 115,071
2081 17,095,916 114,782
2080 16,913,187 114,453
2079 16,731,545 114,103
2078 16,545,390 113,740
2077 16,360,458 113,378
2076 16,175,508 112,974
2075 15,984,378 112,594
2074 15,794,071 112,208
2073 15,599,735 111,819
2072 15,404,494 111,405
2071 15,207,921 110,992
2070 15,011,471 110,605
2069 14,810,543 110,238
2068 14,612,051 109,853
2067 14,415,033 109,474
2066 14,213,222 109,090
2065 14,012,829 108,765
2064 13,813,071 108,405
2063 13,611,733 108,061
2062 13,407,155 107,738
2061 13,206,406 107,424
2060 13,006,970 107,145
2059 12,808,144 106,869
2058 12,611,185 106,617
2057 12,415,316 106,372
2056 12,219,298 106,158
2055 12,024,601 105,942
2054 11,826,644 105,725
2053 11,629,783 105,513
2052 11,433,645 105,313
2051 11,236,927 105,106
2050 11,041,020 104,871
2049 10,846,652 104,663
2048 10,651,879 104,414
2047 10,455,019 104,180
2046 10,260,138 103,879
2045 10,065,444 103,575
2044 9,872,742 103,241
2043 9,677,498 102,961
2042 9,483,953 102,718
2041 9,288,673 102,474
2040 9,097,986 102,254
2039 8,908,556 102,088
2038 8,720,599 101,861
2037 8,534,256 101,733
2036 8,350,011 101,653
2035 8,167,940 101,607
2034 7,986,915 101,598
2033 7,806,956 101,618
2032 7,629,621 101,659
2031 7,454,630 101,790
2030 7,285,238 101,954
2029 7,119,031 102,207
2028 6,956,345 102,521
2027 6,795,830 102,868
2026 6,639,560 103,309
2025 6,485,440 103,768
2024 6,332,961 104,175
2023 6,182,885 104,597
2022 6,035,104 105,042
2021 5,892,183 105,490
2020 5,752,791 105,704
2019 5,616,661 105,669
2018 5,483,118 105,567
2017 5,351,011 105,356
2016 5,222,536 105,524
2015 5,097,581 106,095
2014 4,975,880 106,609
2013 4,857,099 107,078
2012 4,740,450 107,460
2011 4,609,724 107,570
2010 4,462,290 107,400
2009 4,281,219 107,203
2008 4,113,517 107,020
2007 3,980,430 106,726
2006 3,837,409 106,253
2005 3,696,393 105,671
2004 3,565,554 105,071
2003 3,445,753 104,464
2002 3,350,771 103,874
2001 3,272,537 103,288
2000 3,151,345 102,677
1999 3,032,874 102,046
1998 2,952,061 101,388
1997 2,887,862 100,674
1996 2,826,785 100,275
1995 2,749,461 100,225
1994 2,673,144 100,166
1993 2,595,124 100,103
1992 2,519,465 100,022
1991 2,449,229 99,895
1990 2,380,560 99,700
1989 2,313,558 99,403
1988 2,247,653 98,969
1987 2,183,473 98,376
1986 2,120,602 98,010
1985 2,059,311 97,984
1984 1,999,528 97,990
1983 1,950,321 97,998
1982 1,910,430 97,980
1981 1,869,759 97,909
1980 1,828,985 97,769
1979 1,788,524 97,544
1978 1,748,089 97,204
1977 1,707,568 96,725
1976 1,667,225 95,325
1975 1,627,032 93,017
1974 1,582,301 90,683
1973 1,533,680 88,805
1972 1,486,468 87,356
1971 1,441,039 85,896
1970 1,397,638 84,401
1969 1,356,182 82,885
1968 1,316,519 81,353
1967 1,278,691 79,814
1966 1,242,534 78,002
1965 1,207,880 75,924
1964 1,174,816 73,879
1963 1,143,263 71,885
1962 1,113,175 69,940
1961 1,084,389 68,037
1960 1,056,732 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/congo/tonga | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, the Congo gained 1,459,293 people (a 27.9% growth), while Tonga's population decreased by 2,215 people (a 2.1% decline).

The Congo was ranked 125th most populous country in 2006 and is 109th 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) the Congo's population will grow by 65.2% to 11,041,020 people with a rank change from 109th to 95th. The population of Tonga will increase by 1.51% to 104,871 people and will still be ranked 183rd.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Congo
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Congo Tonga
2100 0.7% 0.03%
2099 0.74% 0.05%
2098 0.74% 0.03%
2097 0.76% 0.03%
2096 0.78% 0.07%
2095 0.79% 0.08%
2094 0.81% 0.07%
2093 0.85% 0.09%
2092 0.86% 0.1%
2091 0.88% 0.12%
2090 0.89% 0.13%
2089 0.94% 0.17%
2088 0.95% 0.18%
2087 0.97% 0.16%
2086 0.97% 0.19%
2085 1% 0.21%
2084 1.02% 0.25%
2083 1.06% 0.26%
2082 1.04% 0.25%
2081 1.08% 0.29%
2080 1.09% 0.31%
2079 1.13% 0.32%
2078 1.13% 0.32%
2077 1.14% 0.36%
2076 1.2% 0.34%
2075 1.2% 0.34%
2074 1.25% 0.35%
2073 1.27% 0.37%
2072 1.29% 0.37%
2071 1.31% 0.35%
2070 1.36% 0.33%
2069 1.36% 0.35%
2068 1.37% 0.35%
2067 1.42% 0.35%
2066 1.43% 0.3%
2065 1.45% 0.33%
2064 1.48% 0.32%
2063 1.53% 0.3%
2062 1.52% 0.29%
2061 1.53% 0.26%
2060 1.55% 0.26%
2059 1.56% 0.24%
2058 1.58% 0.23%
2057 1.6% 0.2%
2056 1.62% 0.2%
2055 1.67% 0.2%
2054 1.69% 0.2%
2053 1.72% 0.19%
2052 1.75% 0.2%
2051 1.77% 0.22%
2050 1.79% 0.2%
2049 1.83% 0.24%
2048 1.88% 0.22%
2047 1.9% 0.29%
2046 1.93% 0.29%
2045 1.95% 0.32%
2044 2.02% 0.27%
2043 2.04% 0.24%
2042 2.1% 0.24%
2041 2.1% 0.21%
2040 2.13% 0.16%
2039 2.16% 0.22%
2038 2.18% 0.13%
2037 2.21% 0.08%
2036 2.23% 0.05%
2035 2.27% 0.009%
2034 2.31% -0.02%
2033 2.32% -0.04%
2032 2.35% -0.13%
2031 2.33% -0.16%
2030 2.33% -0.25%
2029 2.34% -0.31%
2028 2.36% -0.34%
2027 2.35% -0.43%
2026 2.38% -0.44%
2025 2.41% -0.39%
2024 2.43% -0.4%
2023 2.45% -0.42%
2022 2.43% -0.42%
2021 2.42% -0.2%
2020 2.42% 0.03%
2019 2.44% 0.1%
2018 2.47% 0.2%
2017 2.46% -0.16%
2016 2.45% -0.54%
2015 2.45% -0.48%
2014 2.45% -0.44%
2013 2.46% -0.36%
2012 2.84% -0.1%
2011 3.3% 0.16%
2010 4.23% 0.18%
2009 4.08% 0.17%
2008 3.34% 0.28%
2007 3.73% 0.45%
2006 3.81% 0.55%
2005 3.67% 0.57%
2004 3.48% 0.58%
2003 2.83% 0.57%
2002 2.39% 0.57%
2001 3.85% 0.6%
2000 3.91% 0.62%
1999 2.74% 0.65%
1998 2.22% 0.71%
1997 2.16% 0.4%
1996 2.81% 0.05%
1995 2.85% 0.06%
1994 3.01% 0.06%
1993 3% 0.08%
1992 2.87% 0.13%
1991 2.88% 0.2%
1990 2.9% 0.3%
1989 2.93% 0.44%
1988 2.94% 0.6%
1987 2.96% 0.37%
1986 2.98% 0.03%
1985 2.99% -0.006%
1984 2.52% -0.008%
1983 2.09% 0.02%
1982 2.18% 0.07%
1981 2.23% 0.14%
1980 2.26% 0.23%
1979 2.31% 0.35%
1978 2.37% 0.5%
1977 2.42% 1.47%
1976 2.47% 2.48%
1975 2.83% 2.57%
1974 3.17% 2.11%
1973 3.18% 1.66%
1972 3.15% 1.7%
1971 3.11% 1.77%
1970 3.06% 1.83%
1969 3.01% 1.88%
1968 2.96% 1.93%
1967 2.91% 2.32%
1966 2.87% 2.74%
1965 2.81% 2.77%
1964 2.76% 2.77%
1963 2.7% 2.78%
1962 2.65% 2.8%
1961 2.62% 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/congo/tonga | CC BY

In 2024, the population of the Congo grew by 2.43%, while Tonga's population declined by 0.4%.

Live population counters

Congo Tonga
Current population
6681829
103309
Population rank 109/197 183/197
Percent of world population 0.08% 0.001%
One net population change
3.5 minutes
20.8 hours
One birth every
2.78 minutes
3.62 hours
One death every
13.5 minutes
13 hours
Daily growth/decline +411 -1
Annual growth/decline +150,076 -422
Annual growth/decline rate +2.43% -0.4%
Population growth rate rank 31/197 183/197
One migration net change every
2.93 hours
4.09 hours
Annual migration change -2,999 -2,150
Net migration rank 108/196 99/196
Foreign-born residents 385,589 3,581
Foreign-born residents rank 91/195 187/195
Foreign-born share of population 6.1% 3.4%
Foreign-born share rank 86/195 113/195

Natural population change vs migration

Congo
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Congo Tonga
Natural Migration Natural Migration
2025 - -2,999 - -2,150
2024 - -2,491 - -2,149
2023 150,486 -995 1,744 -2,173
2022 147,076 -995 1,772 -2,218
2021 144,241 -4,476 1,773 -2,220
2020 143,492 -4,472 1,816 -1,807
2019 139,513 -6,268 1,841 -1,778
2018 142,704 -8,856 1,873 -1,723
2017 141,973 -11,601 1,912 -1,642
2016 141,358 -14,783 1,989 -2,591
2015 141,539 -18,207 2,064 -2,610
2014 141,674 -21,598 2,135 -2,622
2013 142,080 -24,605 2,199 -2,637
2012 142,464 -26,643 2,255 -2,578
2011 140,371 5,262 2,298 -2,198
2010 136,908 12,318 2,332 -2,097
2009 126,904 86,014 2,358 -2,204
2008 120,711 1,774 2,397 -2,177
2007 112,459 31,239 2,423 -2,057
2006 106,876 35,475 2,459 -1,875
2005 101,344 38,337 2,495 -1,906
2004 96,577 25,412 2,478 -1,876
2003 91,326 26,280 2,448 -1,844
2002 88,497 -16,140 2,396 -1,815
2001 84,876 -764 2,358 -1,766
2000 78,491 79,780 2,346 -1,721
1999 76,204 2,470 2,352 -1,710
1998 72,450 10,500 2,344 -1,665
1997 66,149 -20,704 2,332 -1,589
1996 75,628 1,085 2,393 -2,338
1995 74,189 3,747 2,476 -2,422
1994 72,857 1,850 2,547 -2,484
1993 71,119 10,218 2,594 -2,532
1992 69,973 0 2,622 -2,524
1991 68,534 1,966 2,637 -2,484
1990 67,241 -395 2,641 -2,409
1989 65,944 1,214 2,644 -2,280
1988 64,629 22 2,649 -2,138
1987 63,183 525 2,646 -1,970
1986 61,669 367 2,704 -2,650
1985 60,359 182 2,762 -2,775
1984 59,028 0 2,814 -2,823
1983 58,120 -18,720 2,840 -2,840
1982 57,036 -16,664 2,853 -2,814
1981 56,603 -15,630 2,882 -2,778
1980 55,550 -14,972 2,885 -2,708
1979 54,723 -14,378 2,884 -2,604
1978 53,885 -13,356 2,862 -2,457
1977 53,179 -12,673 2,822 -2,273
1976 52,148 -11,971 2,769 -523
1975 51,155 -10,944 2,709 -346
1974 49,563 -312 2,650 -344
1973 48,017 -22 2,617 -1,168
1972 46,427 0 2,605 -1,153
1971 44,431 0 2,611 -1,138
1970 42,374 0 2,628 -1,122
1969 40,532 0 2,632 -1,101
1968 38,786 0 2,614 -1,078
1967 36,866 0 2,603 -1,060
1966 35,452 0 2,550 -465
1965 33,865 0 2,498 -426
1964 32,270 0 2,445 -428
1963 30,832 0 2,394 -426
1962 29,342 0 2,343 -420
1961 28,220 0 2,284 -401
1960 27,094 0 2,230 -384

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

GeoRank.org/population/congo/tonga | CC BY

Over the last 10 years, 94% of the population change in the Congo is from natural causes (a gain of 1,434,056 people) and 6.04% is from migration (a loss of 92,251 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, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Congo
City Population
Brazzaville 2.15M
Pointe-Noire 1.42M
Kayes 71.6K
Madingou 36.2K
Gamboma 26.1K
Kinkala 12.1K
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/congo/tonga | 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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