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

Updated on by Georank

The latest officially reported population of the Congo was 6,484,437 in 2025 vs 21,913,874 people in Zambia in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 22,844,606 in Zambia.

Population statistics:

  • Zambia's population is 3.4 times bigger than the Congo's.
  • The Congo is ranked the 109th most populous country in the world, while Zambia is the 62nd.
  • The countries together account for 0.36% of the world: 0.08% for the Congo vs 0.27% for Zambia.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +2.96% in Zambia.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Zambia has grown from 12.1M to 22.8M (88.3% growth).

Congo vs Zambia: population by year and forecast

Congo
Factual

Projection
Zambia
Factual

Projection
1x
Year Population
Congo Zambia
2100 20,194,267 65,204,593
2099 20,053,234 64,858,778
2098 19,906,909 64,503,193
2097 19,760,110 64,136,110
2096 19,610,521 63,764,760
2095 19,459,493 63,380,692
2094 19,306,835 62,980,254
2093 19,151,289 62,578,008
2092 18,990,577 62,163,693
2091 18,828,222 61,738,437
2090 18,663,146 61,309,330
2089 18,497,842 60,868,166
2088 18,325,571 60,422,781
2087 18,153,731 59,958,303
2086 17,979,773 59,487,524
2085 17,807,843 59,011,423
2084 17,631,386 58,524,337
2083 17,453,221 58,029,088
2082 17,270,773 57,527,347
2081 17,093,270 57,016,267
2080 16,910,570 56,495,299
2079 16,728,955 55,972,223
2078 16,542,829 55,438,864
2077 16,357,926 54,895,964
2076 16,173,005 54,350,375
2075 15,981,904 53,796,265
2074 15,791,626 53,236,297
2073 15,597,321 52,666,980
2072 15,402,110 52,090,884
2071 15,205,567 51,509,551
2070 15,009,147 50,921,590
2069 14,808,250 50,324,793
2068 14,609,790 49,727,689
2067 14,412,802 49,125,817
2066 14,211,022 48,520,891
2065 14,010,661 47,909,160
2064 13,810,933 47,290,430
2063 13,609,626 46,668,252
2062 13,405,080 46,039,755
2061 13,204,362 45,407,718
2060 13,004,957 44,768,534
2059 12,806,162 44,128,619
2058 12,609,233 43,485,891
2057 12,413,395 42,843,489
2056 12,217,406 42,198,591
2055 12,022,740 41,550,105
2054 11,824,813 40,898,440
2053 11,627,983 40,247,706
2052 11,431,875 39,596,094
2051 11,235,188 38,942,292
2050 11,039,311 38,287,070
2049 10,844,973 37,626,787
2048 10,650,230 36,964,032
2047 10,453,401 36,302,603
2046 10,258,550 35,638,852
2045 10,063,886 34,974,927
2044 9,871,213 34,310,227
2043 9,676,000 33,645,797
2042 9,482,485 32,984,164
2041 9,287,235 32,323,084
2040 9,096,577 31,658,029
2039 8,907,177 30,995,204
2038 8,719,250 30,329,691
2037 8,532,935 29,662,721
2036 8,348,719 28,994,556
2035 8,166,676 28,327,922
2034 7,985,679 27,665,749
2033 7,805,748 27,006,658
2032 7,628,440 26,351,393
2031 7,453,476 25,697,754
2030 7,284,111 25,050,285
2029 7,117,929 24,409,600
2028 6,955,268 23,776,128
2027 6,794,778 23,146,922
2026 6,638,532 22,525,308
2025 6,484,437 21,913,874
2024 6,332,961 21,314,956
2023 6,182,885 20,723,965
2022 6,035,104 20,152,938
2021 5,892,183 19,603,607
2020 5,752,791 19,059,395
2019 5,616,661 18,513,839
2018 5,483,118 17,973,569
2017 5,351,011 17,441,320
2016 5,222,536 16,914,423
2015 5,097,581 16,399,089
2014 4,975,880 15,895,315
2013 4,857,099 15,398,997
2012 4,740,450 14,913,629
2011 4,609,724 14,437,796
2010 4,462,290 13,965,594
2009 4,281,219 13,490,389
2008 4,113,517 13,021,324
2007 3,980,430 12,565,085
2006 3,837,409 12,129,553
2005 3,696,393 11,718,819
2004 3,565,554 11,338,198
2003 3,445,753 10,983,595
2002 3,350,771 10,647,949
2001 3,272,537 10,325,185
2000 3,151,345 10,017,631
1999 3,032,874 9,740,005
1998 2,952,061 9,482,408
1997 2,887,862 9,237,063
1996 2,826,785 9,004,053
1995 2,749,461 8,785,763
1994 2,673,144 8,576,269
1993 2,595,124 8,373,921
1992 2,519,465 8,176,680
1991 2,449,229 7,981,650
1990 2,380,560 7,786,169
1989 2,313,558 7,589,216
1988 2,247,653 7,391,440
1987 2,183,473 7,191,282
1986 2,120,602 6,986,471
1985 2,059,311 6,780,953
1984 1,999,528 6,580,490
1983 1,950,321 6,381,038
1982 1,910,430 6,178,637
1981 1,869,759 5,983,289
1980 1,828,985 5,802,833
1979 1,788,524 5,631,728
1978 1,748,089 5,465,374
1977 1,707,568 5,302,480
1976 1,667,225 5,143,842
1975 1,627,032 4,990,086
1974 1,582,301 4,842,746
1973 1,533,680 4,702,693
1972 1,486,468 4,569,309
1971 1,441,039 4,442,525
1970 1,397,638 4,321,718
1969 1,356,182 4,197,116
1968 1,316,519 4,065,593
1967 1,278,691 3,936,343
1966 1,242,534 3,812,003
1965 1,207,880 3,692,086
1964 1,174,816 3,577,017
1963 1,143,263 3,465,907
1962 1,113,175 3,358,099
1961 1,084,389 3,254,086
1960 1,056,732 3,153,729

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/zambia | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Zambia gained 4,784,870 people (a 39.4% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Zambia's population increased by 5,930,183 people (a 35.1% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Zambia was ranked 71st in 2006 and ranked 62nd 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 Zambia will increase by 67.6% to 38,287,070 people and rank change from 62nd to 54th.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 65.2M people in 2100 for Zambia.

Population growth rate by year

Congo
Factual

Projection
Zambia
Factual

Projection
1x
Year Growth rate
Congo Zambia
2100 0.7% 0.53%
2099 0.74% 0.55%
2098 0.74% 0.57%
2097 0.76% 0.58%
2096 0.78% 0.61%
2095 0.79% 0.64%
2094 0.81% 0.64%
2093 0.85% 0.67%
2092 0.86% 0.69%
2091 0.88% 0.7%
2090 0.89% 0.72%
2089 0.94% 0.74%
2088 0.95% 0.77%
2087 0.97% 0.79%
2086 0.97% 0.81%
2085 1% 0.83%
2084 1.02% 0.85%
2083 1.06% 0.87%
2082 1.04% 0.9%
2081 1.08% 0.92%
2080 1.09% 0.93%
2079 1.13% 0.96%
2078 1.13% 0.99%
2077 1.14% 1%
2076 1.2% 1.03%
2075 1.2% 1.05%
2074 1.25% 1.08%
2073 1.27% 1.11%
2072 1.29% 1.13%
2071 1.31% 1.15%
2070 1.36% 1.19%
2069 1.36% 1.2%
2068 1.37% 1.23%
2067 1.42% 1.25%
2066 1.43% 1.28%
2065 1.45% 1.31%
2064 1.48% 1.33%
2063 1.53% 1.37%
2062 1.52% 1.39%
2061 1.53% 1.43%
2060 1.55% 1.45%
2059 1.56% 1.48%
2058 1.58% 1.5%
2057 1.6% 1.53%
2056 1.62% 1.56%
2055 1.67% 1.59%
2054 1.69% 1.62%
2053 1.72% 1.65%
2052 1.75% 1.68%
2051 1.77% 1.71%
2050 1.79% 1.75%
2049 1.83% 1.79%
2048 1.88% 1.82%
2047 1.9% 1.86%
2046 1.93% 1.9%
2045 1.95% 1.94%
2044 2.02% 1.97%
2043 2.04% 2.01%
2042 2.1% 2.05%
2041 2.1% 2.1%
2040 2.13% 2.14%
2039 2.16% 2.19%
2038 2.18% 2.25%
2037 2.21% 2.3%
2036 2.23% 2.35%
2035 2.27% 2.39%
2034 2.31% 2.44%
2033 2.32% 2.49%
2032 2.35% 2.54%
2031 2.33% 2.58%
2030 2.33% 2.62%
2029 2.34% 2.66%
2028 2.36% 2.72%
2027 2.35% 2.76%
2026 2.38% 2.79%
2025 2.39% 2.81%
2024 2.43% 2.85%
2023 2.45% 2.83%
2022 2.43% 2.8%
2021 2.42% 2.86%
2020 2.42% 2.95%
2019 2.44% 3.01%
2018 2.47% 3.05%
2017 2.46% 3.12%
2016 2.45% 3.14%
2015 2.45% 3.17%
2014 2.45% 3.22%
2013 2.46% 3.25%
2012 2.84% 3.3%
2011 3.3% 3.38%
2010 4.23% 3.52%
2009 4.08% 3.6%
2008 3.34% 3.63%
2007 3.73% 3.59%
2006 3.81% 3.5%
2005 3.67% 3.36%
2004 3.48% 3.23%
2003 2.83% 3.15%
2002 2.39% 3.13%
2001 3.85% 3.07%
2000 3.91% 2.85%
1999 2.74% 2.72%
1998 2.22% 2.66%
1997 2.16% 2.59%
1996 2.81% 2.48%
1995 2.85% 2.44%
1994 3.01% 2.42%
1993 3% 2.41%
1992 2.87% 2.44%
1991 2.88% 2.51%
1990 2.9% 2.6%
1989 2.93% 2.68%
1988 2.94% 2.78%
1987 2.96% 2.93%
1986 2.98% 3.03%
1985 2.99% 3.05%
1984 2.52% 3.13%
1983 2.09% 3.28%
1982 2.18% 3.26%
1981 2.23% 3.11%
1980 2.26% 3.04%
1979 2.31% 3.04%
1978 2.37% 3.07%
1977 2.42% 3.08%
1976 2.47% 3.08%
1975 2.83% 3.04%
1974 3.17% 2.98%
1973 3.18% 2.92%
1972 3.15% 2.85%
1971 3.11% 2.8%
1970 3.06% 2.97%
1969 3.01% 3.24%
1968 2.96% 3.28%
1967 2.91% 3.26%
1966 2.87% 3.25%
1965 2.81% 3.22%
1964 2.76% 3.21%
1963 2.7% 3.21%
1962 2.65% 3.2%
1961 2.62% 3.18%

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/zambia | CC BY

In 2025, the population of the Congo grew by 2.39%, while Zambia's population grew by 2.81%.

Live population counters

Congo Zambia
Current population
6718789
22844606
Population rank 109/197 62/197
Percent of world population 0.08% 0.27%
One net population change
3.48 minutes
52.8 seconds
One birth every
2.73 minutes
45.2 seconds
One death every
13.3 minutes
4.77 minutes
Daily growth/decline +415 +1,641
Annual growth/decline +151,476 +598,918
Annual growth/decline rate +2.39% +2.81%
Population growth rate rank 31/197 19/197
One migration net change every
2.93 hours
1.34 hours
Annual migration change -2,999 +6,562
Net migration rank 108/196 47/196
Foreign-born residents 385,589 249,205
Foreign-born residents rank 91/195 105/195
Foreign-born share of population 6.1% 1.2%
Foreign-born share rank 86/195 150/195

Natural population change vs migration

Congo
Natural

Migration
Zambia
Natural

Migration
1x
Year Population change
Congo Zambia
Natural Migration Natural Migration
2025 - -2,999 - 6,562
2024 153,150 -2,491 587,419 7,381
2023 150,486 -995 577,660 9,521
2022 147,076 -995 563,456 -8,566
2021 144,241 -4,476 535,629 8,143
2020 143,492 -4,472 536,484 8,156
2019 139,513 -6,268 528,089 18,385
2018 142,704 -8,856 515,644 18,431
2017 141,973 -11,601 504,630 25,789
2016 141,358 -14,783 497,521 25,860
2015 141,539 -18,207 491,021 16,261
2014 141,674 -21,598 483,663 16,574
2013 142,080 -24,605 476,846 15,542
2012 142,464 -26,643 469,406 8,958
2011 140,371 5,262 459,743 13,569
2010 136,908 12,318 448,337 22,761
2009 126,904 86,014 434,458 44,867
2008 120,711 1,774 419,560 39,249
2007 112,459 31,239 403,729 49,945
2006 106,876 35,475 387,891 29,517
2005 101,344 38,337 368,756 35,316
2004 96,577 25,412 349,352 7,819
2003 91,326 26,280 331,189 20,845
2002 88,497 -16,140 316,041 3,206
2001 84,876 -764 302,682 23,582
2000 78,491 79,780 293,186 -4,338
1999 76,204 2,470 283,297 -16,888
1998 72,450 10,500 275,568 -26,796
1997 66,149 -20,704 268,198 -26,276
1996 75,628 1,085 262,468 -38,358
1995 74,189 3,747 257,897 -45,423
1994 72,857 1,850 252,023 -45,504
1993 71,119 10,218 245,917 -47,739
1992 69,973 0 239,953 -43,656
1991 68,534 1,966 237,957 -44,203
1990 67,241 -395 235,835 -38,619
1989 65,944 1,214 233,429 -36,736
1988 64,629 22 230,118 -31,270
1987 63,183 525 227,813 -26,338
1986 61,669 367 224,768 -16,610
1985 60,359 182 221,351 -18,474
1984 59,028 0 216,695 -18,652
1983 58,120 -18,720 212,712 -11,849
1982 57,036 -16,664 207,621 -3,676
1981 56,603 -15,630 202,822 -16,072
1980 55,550 -14,972 198,817 -24,664
1979 54,723 -14,378 197,578 -29,515
1978 53,885 -13,356 194,933 -30,284
1977 53,179 -12,673 191,557 -30,423
1976 52,148 -11,971 186,762 -30,612
1975 51,155 -10,944 182,258 -30,886
1974 49,563 -312 174,484 -31,178
1973 48,017 -22 168,258 -31,472
1972 46,427 0 161,648 -31,672
1971 44,431 0 155,249 -31,651
1970 42,374 0 149,380 -31,370
1969 40,532 0 142,660 -11,469
1968 38,786 0 137,315 -5,447
1967 36,866 0 131,938 -5,298
1966 35,452 0 127,164 -5,129
1965 33,865 0 122,814 -5,023
1964 32,270 0 117,197 -4,851
1963 30,832 0 114,555 -4,676
1962 29,342 0 110,173 -4,428
1961 28,220 0 106,318 -4,043
1960 27,094 0 102,335 -3,898

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

GeoRank.org/population/congo/zambia | 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 Zambia 97.6% is from natural causes (a gain of 5,337,553 people) and 2.37% is from migration (a gain of 129,361 people).

As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 249,205 people or 1.2% in Zambia.

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
Zambia
City Population
Lusaka 2.47M
Kitwe 625K
Ndola 528K
Chingola 255K
Mufulira 182K
Livingstone 177K
Kasama 158K
Kapiri Mposhi 65.2K
Choma 51.8K
Mansa 45.4K

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/zambia | 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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