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

Updated on by Georank

The latest officially reported population of the Congo was 6,484,437 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 11 times bigger than the Congo's.
  • The Congo is ranked the 109th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 0.97% of the world: 0.08% for the Congo vs 0.89% for Tanzania.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +3.11% in Tanzania.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Congo vs Tanzania: population by year and forecast

Congo
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Congo Tanzania
2100 20,194,267 265,471,550
2099 20,053,234 263,137,702
2098 19,906,909 260,784,676
2097 19,760,110 258,387,890
2096 19,610,521 255,972,277
2095 19,459,493 253,543,248
2094 19,306,835 251,095,452
2093 19,151,289 248,605,184
2092 18,990,577 246,083,651
2091 18,828,222 243,533,968
2090 18,663,146 240,979,094
2089 18,497,842 238,393,867
2088 18,325,571 235,775,056
2087 18,153,731 233,145,231
2086 17,979,773 230,474,072
2085 17,807,843 227,778,580
2084 17,631,386 225,090,075
2083 17,453,221 222,400,079
2082 17,270,773 219,697,321
2081 17,093,270 216,974,796
2080 16,910,570 214,235,505
2079 16,728,955 211,466,096
2078 16,542,829 208,688,171
2077 16,357,926 205,898,494
2076 16,173,005 203,086,766
2075 15,981,904 200,278,383
2074 15,791,626 197,449,196
2073 15,597,321 194,624,081
2072 15,402,110 191,805,820
2071 15,205,567 188,974,004
2070 15,009,147 186,134,634
2069 14,808,250 183,293,747
2068 14,609,790 180,458,385
2067 14,412,802 177,622,538
2066 14,211,022 174,786,430
2065 14,010,661 171,897,059
2064 13,810,933 169,048,435
2063 13,609,626 166,202,091
2062 13,405,080 163,354,473
2061 13,204,362 160,521,858
2060 13,004,957 157,707,240
2059 12,806,162 154,905,240
2058 12,609,233 152,106,040
2057 12,413,395 149,311,257
2056 12,217,406 146,505,507
2055 12,022,740 143,722,840
2054 11,824,813 140,970,467
2053 11,627,983 138,249,490
2052 11,431,875 135,540,803
2051 11,235,188 132,838,721
2050 11,039,311 130,145,345
2049 10,844,973 127,483,126
2048 10,650,230 124,809,212
2047 10,453,401 122,146,647
2046 10,258,550 119,511,124
2045 10,063,886 116,903,642
2044 9,871,213 114,318,843
2043 9,676,000 111,765,580
2042 9,482,485 109,231,423
2041 9,287,235 106,738,458
2040 9,096,577 104,262,479
2039 8,907,177 101,804,600
2038 8,719,250 99,370,760
2037 8,532,935 96,974,485
2036 8,348,719 94,592,848
2035 8,166,676 92,248,476
2034 7,985,679 89,920,872
2033 7,805,748 87,646,627
2032 7,628,440 85,401,853
2031 7,453,476 83,172,579
2030 7,284,111 80,989,443
2029 7,117,929 78,830,947
2028 6,955,268 76,723,335
2027 6,794,778 74,639,948
2026 6,638,532 72,582,361
2025 6,484,437 70,545,865
2024 6,332,961 68,560,157
2023 6,182,885 66,617,606
2022 6,035,104 64,711,821
2021 5,892,183 62,830,412
2020 5,752,791 60,972,798
2019 5,616,661 59,174,891
2018 5,483,118 57,437,145
2017 5,351,011 55,652,890
2016 5,222,536 53,824,013
2015 5,097,581 52,020,962
2014 4,975,880 50,351,512
2013 4,857,099 48,824,128
2012 4,740,450 47,374,260
2011 4,609,724 46,029,367
2010 4,462,290 44,758,488
2009 4,281,219 43,633,982
2008 4,113,517 42,570,728
2007 3,980,430 41,435,512
2006 3,837,409 40,294,902
2005 3,696,393 39,182,076
2004 3,565,554 38,109,668
2003 3,445,753 37,089,555
2002 3,350,771 36,121,304
2001 3,272,537 35,198,299
2000 3,151,345 34,260,139
1999 3,032,874 33,300,330
1998 2,952,061 32,420,458
1997 2,887,862 31,578,089
1996 2,826,785 30,945,762
1995 2,749,461 30,383,497
1994 2,673,144 29,442,356
1993 2,595,124 28,332,692
1992 2,519,465 27,457,588
1991 2,449,229 26,780,436
1990 2,380,560 26,110,207
1989 2,313,558 25,438,759
1988 2,247,653 24,769,686
1987 2,183,473 24,030,378
1986 2,120,602 23,258,959
1985 2,059,311 22,501,693
1984 1,999,528 21,779,066
1983 1,950,321 21,079,874
1982 1,910,430 20,398,571
1981 1,869,759 19,784,703
1980 1,828,985 19,189,769
1979 1,788,524 18,592,038
1978 1,748,089 17,976,566
1977 1,707,568 17,352,929
1976 1,667,225 16,736,211
1975 1,627,032 16,138,361
1974 1,582,301 15,561,630
1973 1,533,680 15,010,101
1972 1,486,468 14,479,308
1971 1,441,039 13,971,451
1970 1,397,638 13,492,677
1969 1,356,182 13,036,700
1968 1,316,519 12,602,076
1967 1,278,691 12,200,109
1966 1,242,534 11,827,459
1965 1,207,880 11,470,728
1964 1,174,816 11,127,826
1963 1,143,263 10,799,528
1962 1,113,175 10,487,756
1961 1,084,389 10,187,886
1960 1,056,732 9,901,419

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/congo/tanzania | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Tanzania was ranked 30th in 2006 and ranked 20th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) the Congo's population will grow by 64.3% to 11,039,311 people with a rank change from 109th to 95th. The population of Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Congo
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Congo Tanzania
2100 0.7% 0.89%
2099 0.74% 0.9%
2098 0.74% 0.93%
2097 0.76% 0.94%
2096 0.78% 0.96%
2095 0.79% 0.97%
2094 0.81% 1%
2093 0.85% 1.02%
2092 0.86% 1.05%
2091 0.88% 1.06%
2090 0.89% 1.08%
2089 0.94% 1.11%
2088 0.95% 1.13%
2087 0.97% 1.16%
2086 0.97% 1.18%
2085 1% 1.19%
2084 1.02% 1.21%
2083 1.06% 1.23%
2082 1.04% 1.25%
2081 1.08% 1.28%
2080 1.09% 1.31%
2079 1.13% 1.33%
2078 1.13% 1.35%
2077 1.14% 1.38%
2076 1.2% 1.4%
2075 1.2% 1.43%
2074 1.25% 1.45%
2073 1.27% 1.47%
2072 1.29% 1.5%
2071 1.31% 1.53%
2070 1.36% 1.55%
2069 1.36% 1.57%
2068 1.37% 1.6%
2067 1.42% 1.62%
2066 1.43% 1.68%
2065 1.45% 1.69%
2064 1.48% 1.71%
2063 1.53% 1.74%
2062 1.52% 1.76%
2061 1.53% 1.78%
2060 1.55% 1.81%
2059 1.56% 1.84%
2058 1.58% 1.87%
2057 1.6% 1.92%
2056 1.62% 1.94%
2055 1.67% 1.95%
2054 1.69% 1.97%
2053 1.72% 2%
2052 1.75% 2.03%
2051 1.77% 2.07%
2050 1.79% 2.09%
2049 1.83% 2.14%
2048 1.88% 2.18%
2047 1.9% 2.21%
2046 1.93% 2.23%
2045 1.95% 2.26%
2044 2.02% 2.28%
2043 2.04% 2.32%
2042 2.1% 2.34%
2041 2.1% 2.37%
2040 2.13% 2.41%
2039 2.16% 2.45%
2038 2.18% 2.47%
2037 2.21% 2.52%
2036 2.23% 2.54%
2035 2.27% 2.59%
2034 2.31% 2.59%
2033 2.32% 2.63%
2032 2.35% 2.68%
2031 2.33% 2.7%
2030 2.33% 2.74%
2029 2.34% 2.75%
2028 2.36% 2.79%
2027 2.35% 2.83%
2026 2.38% 2.89%
2025 2.39% 2.9%
2024 2.43% 2.92%
2023 2.45% 2.95%
2022 2.43% 2.99%
2021 2.42% 3.05%
2020 2.42% 3.04%
2019 2.44% 3.03%
2018 2.47% 3.21%
2017 2.46% 3.4%
2016 2.45% 3.47%
2015 2.45% 3.32%
2014 2.45% 3.13%
2013 2.46% 3.06%
2012 2.84% 2.92%
2011 3.3% 2.84%
2010 4.23% 2.58%
2009 4.08% 2.5%
2008 3.34% 2.74%
2007 3.73% 2.83%
2006 3.81% 2.84%
2005 3.67% 2.81%
2004 3.48% 2.75%
2003 2.83% 2.68%
2002 2.39% 2.62%
2001 3.85% 2.74%
2000 3.91% 2.88%
1999 2.74% 2.71%
1998 2.22% 2.67%
1997 2.16% 2.04%
1996 2.81% 1.85%
1995 2.85% 3.2%
1994 3.01% 3.92%
1993 3% 3.19%
1992 2.87% 2.53%
1991 2.88% 2.57%
1990 2.9% 2.64%
1989 2.93% 2.7%
1988 2.94% 3.08%
1987 2.96% 3.32%
1986 2.98% 3.37%
1985 2.99% 3.32%
1984 2.52% 3.32%
1983 2.09% 3.34%
1982 2.18% 3.1%
1981 2.23% 3.1%
1980 2.26% 3.21%
1979 2.31% 3.42%
1978 2.37% 3.59%
1977 2.42% 3.68%
1976 2.47% 3.7%
1975 2.83% 3.71%
1974 3.17% 3.67%
1973 3.18% 3.67%
1972 3.15% 3.63%
1971 3.11% 3.55%
1970 3.06% 3.5%
1969 3.01% 3.45%
1968 2.96% 3.29%
1967 2.91% 3.15%
1966 2.87% 3.11%
1965 2.81% 3.08%
1964 2.76% 3.04%
1963 2.7% 2.97%
1962 2.65% 2.94%
1961 2.62% 2.89%

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/congo/tanzania | CC BY

In 2025, the population of the Congo grew by 2.39%, while Tanzania's population grew by 2.9%.

Live population counters

Congo Tanzania
Current population
6718789
73639263
Population rank 109/197 20/197
Percent of world population 0.08% 0.89%
One net population change
3.48 minutes
15.9 seconds
One birth every
2.73 minutes
13.2 seconds
One death every
13.3 minutes
1.34 minutes
Daily growth/decline +415 +5,440
Annual growth/decline +151,476 +1,985,708
Annual growth/decline rate +2.39% +2.9%
Population growth rate rank 31/197 16/197
One migration net change every
2.93 hours
41.4 minutes
Annual migration change -2,999 -12,730
Net migration rank 108/196 139/196
Foreign-born residents 385,589 462,371
Foreign-born residents rank 91/195 83/195
Foreign-born share of population 6.1% 0.7%
Foreign-born share rank 86/195 167/195

Natural population change vs migration

Congo
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Congo Tanzania
Natural Migration Natural Migration
2025 - -2,999 - -12,730
2024 153,150 -2,491 1,993,730 -29,865
2023 150,486 -995 1,960,623 -39,388
2022 147,076 -995 1,927,960 -37,557
2021 144,241 -4,476 1,880,137 -7,704
2020 143,492 -4,472 1,861,377 -18,587
2019 139,513 -6,268 1,816,669 -63,602
2018 142,704 -8,856 1,777,852 -55,444
2017 141,973 -11,601 1,726,909 119,142
2016 141,358 -14,783 1,659,502 152,194
2015 141,539 -18,207 1,592,882 201,495
2014 141,674 -21,598 1,565,630 -21,083
2013 142,080 -24,605 1,509,008 1,241
2012 142,464 -26,643 1,439,325 -49,875
2011 140,371 5,262 1,384,886 -84,546
2010 136,908 12,318 1,363,477 -122,020
2009 126,904 86,014 1,332,015 -324,478
2008 120,711 1,774 1,303,728 -184,816
2007 112,459 31,239 1,278,285 -126,793
2006 106,876 35,475 1,257,927 -128,231
2005 101,344 38,337 1,224,165 -128,251
2004 96,577 25,412 1,175,379 -126,490
2003 91,326 26,280 1,118,435 -127,101
2002 88,497 -16,140 1,063,195 -118,047
2001 84,876 -764 1,026,242 -125,375
2000 78,491 79,780 985,185 -9,701
1999 76,204 2,470 948,659 -4,489
1998 72,450 10,500 920,806 -105,184
1997 66,149 -20,704 882,544 -13,400
1996 75,628 1,085 868,524 -473,007
1995 74,189 3,747 838,980 -109,971
1994 72,857 1,850 803,953 349,348
1993 71,119 10,218 778,044 288,004
1992 69,973 0 767,961 -83,825
1991 68,534 1,966 762,011 -91,851
1990 67,241 -395 750,825 -80,529
1989 65,944 1,214 743,854 -71,268
1988 64,629 22 736,551 -71,012
1987 63,183 525 718,580 94,498
1986 61,669 367 705,677 24,101
1985 60,359 182 697,867 86,864
1984 59,028 0 687,435 -26,938
1983 58,120 -18,720 679,720 58,161
1982 57,036 -16,664 662,627 -37,883
1981 56,603 -15,630 645,496 -42,485
1980 55,550 -14,972 629,444 -42,588
1979 54,723 -14,378 613,388 -4,792
1978 53,885 -13,356 595,024 27,307
1977 53,179 -12,673 574,938 49,997
1976 52,148 -11,971 553,617 54,875
1975 51,155 -10,944 533,906 53,290
1974 49,563 -312 515,152 51,127
1973 48,017 -22 488,429 48,363
1972 46,427 0 467,305 57,489
1971 44,431 0 449,014 41,900
1970 42,374 0 427,988 38,635
1969 40,532 0 408,322 37,006
1968 38,786 0 389,467 34,455
1967 36,866 0 374,763 5,265
1966 35,452 0 360,229 5,049
1965 33,865 0 343,456 4,742
1964 32,270 0 328,527 9,090
1963 30,832 0 314,644 4,333
1962 29,342 0 300,663 3,916
1961 28,220 0 286,839 8,338
1960 27,094 0 275,814 1,946

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

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

Over the last 10 years, 95.2% of the population change in the Congo is from natural causes (a gain of 1,445,532 people) and 4.82% is from migration (a loss of 73,144 people). In Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

Congo
City Population
Brazzaville 2.15M
Pointe-Noire 1.42M
Kayes 127K
Madingou 36.2K
Gamboma 26.1K
Kinkala 12.1K
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/congo/tanzania | 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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