Skip to content

Population in the Congo compared to Sri Lanka: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Congo was 6,484,437 in 2025 vs 21,756,000 people in Sri Lanka in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 21,926,160 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 3.26 times bigger than the Congo's.
  • The Congo is ranked the 109th most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.34% of the world: 0.08% for the Congo vs 0.26% for Sri Lanka.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +0.42% in Sri Lanka.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Sri Lanka has grown from 20.4M to 21.9M (7.73% growth).

Congo vs Sri Lanka: population by year and forecast

Congo
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Population
Congo Sri Lanka
2100 20,194,267 20,009,380
2099 20,053,234 20,121,095
2098 19,906,909 20,234,513
2097 19,760,110 20,345,619
2096 19,610,521 20,456,607
2095 19,459,493 20,566,246
2094 19,306,835 20,674,019
2093 19,151,289 20,780,946
2092 18,990,577 20,886,274
2091 18,828,222 20,990,047
2090 18,663,146 21,095,968
2089 18,497,842 21,198,788
2088 18,325,571 21,299,229
2087 18,153,731 21,398,269
2086 17,979,773 21,496,892
2085 17,807,843 21,594,661
2084 17,631,386 21,687,323
2083 17,453,221 21,778,597
2082 17,270,773 21,866,395
2081 17,093,270 21,954,337
2080 16,910,570 22,038,953
2079 16,728,955 22,122,744
2078 16,542,829 22,200,069
2077 16,357,926 22,274,355
2076 16,173,005 22,345,857
2075 15,981,904 22,414,609
2074 15,791,626 22,485,066
2073 15,597,321 22,550,427
2072 15,402,110 22,610,645
2071 15,205,567 22,669,042
2070 15,009,147 22,725,948
2069 14,808,250 22,779,050
2068 14,609,790 22,831,596
2067 14,412,802 22,885,941
2066 14,211,022 22,935,123
2065 14,010,661 22,985,942
2064 13,810,933 23,030,844
2063 13,609,626 23,071,114
2062 13,405,080 23,107,970
2061 13,204,362 23,139,924
2060 13,004,957 23,171,649
2059 12,806,162 23,199,387
2058 12,609,233 23,224,997
2057 12,413,395 23,247,211
2056 12,217,406 23,267,292
2055 12,022,740 23,278,653
2054 11,824,813 23,287,520
2053 11,627,983 23,297,347
2052 11,431,875 23,301,287
2051 11,235,188 23,302,108
2050 11,039,311 23,299,282
2049 10,844,973 23,293,630
2048 10,650,230 23,283,465
2047 10,453,401 23,267,251
2046 10,258,550 23,244,081
2045 10,063,886 23,212,221
2044 9,871,213 23,181,041
2043 9,676,000 23,144,217
2042 9,482,485 23,103,489
2041 9,287,235 23,056,478
2040 9,096,577 23,005,928
2039 8,907,177 22,948,866
2038 8,719,250 22,888,821
2037 8,532,935 22,822,943
2036 8,348,719 22,756,462
2035 8,166,676 22,685,766
2034 7,985,679 22,611,514
2033 7,805,748 22,532,374
2032 7,628,440 22,449,310
2031 7,453,476 22,364,063
2030 7,284,111 22,273,377
2029 7,117,929 22,181,300
2028 6,955,268 22,082,826
2027 6,794,778 21,979,196
2026 6,638,532 21,870,145
2025 6,484,437 21,756,000
2024 6,332,961 21,916,000
2023 6,182,885 22,037,000
2022 6,035,104 22,181,000
2021 5,892,183 22,156,000
2020 5,752,791 21,919,000
2019 5,616,661 21,803,000
2018 5,483,118 21,670,000
2017 5,351,011 21,453,000
2016 5,222,536 21,209,000
2015 5,097,581 20,970,000
2014 4,975,880 20,778,000
2013 4,857,099 20,585,000
2012 4,740,450 21,169,458
2011 4,609,724 21,009,048
2010 4,462,290 20,879,089
2009 4,281,219 20,756,435
2008 4,113,517 20,629,378
2007 3,980,430 20,492,545
2006 3,837,409 20,352,411
2005 3,696,393 20,216,524
2004 3,565,554 20,087,605
2003 3,445,753 19,951,521
2002 3,350,771 19,805,752
2001 3,272,537 19,600,362
2000 3,151,345 19,293,054
1999 3,032,874 18,944,731
1998 2,952,061 18,596,003
1997 2,887,862 18,248,200
1996 2,826,785 17,905,018
1995 2,749,461 17,564,068
1994 2,673,144 17,275,773
1993 2,595,124 17,025,918
1992 2,519,465 16,739,284
1991 2,449,229 16,475,354
1990 2,380,560 16,352,458
1989 2,313,558 16,248,557
1988 2,247,653 16,078,621
1987 2,183,473 15,916,576
1986 2,120,602 15,731,256
1985 2,059,311 15,544,154
1984 1,999,528 15,441,860
1983 1,950,321 15,388,794
1982 1,910,430 15,286,567
1981 1,869,759 15,099,414
1980 1,828,985 14,847,974
1979 1,788,524 14,579,614
1978 1,748,089 14,310,128
1977 1,707,568 14,049,371
1976 1,667,225 13,796,770
1975 1,627,032 13,548,984
1974 1,582,301 13,305,693
1973 1,533,680 13,060,916
1972 1,486,468 12,809,205
1971 1,441,039 12,551,910
1970 1,397,638 12,287,110
1969 1,356,182 12,013,858
1968 1,316,519 11,736,088
1967 1,278,691 11,457,328
1966 1,242,534 11,183,928
1965 1,207,880 10,916,965
1964 1,174,816 10,653,397
1963 1,143,263 10,395,040
1962 1,113,175 10,143,754
1961 1,084,389 9,899,372
1960 1,056,732 9,661,389

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/sri-lanka | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Sri Lanka's population increased by 717,160 people (a 3.38% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Sri Lanka was ranked 55th in 2006 and ranked 63rd 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 Sri Lanka will increase by 6.26% to 23,299,282 people and rank change from 63rd to 71st.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 23.3M people in 2051 for Sri Lanka.

Population growth rate by year

Congo
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Growth rate
Congo Sri Lanka
2100 0.7% -0.56%
2099 0.74% -0.56%
2098 0.74% -0.55%
2097 0.76% -0.54%
2096 0.78% -0.53%
2095 0.79% -0.52%
2094 0.81% -0.51%
2093 0.85% -0.5%
2092 0.86% -0.49%
2091 0.88% -0.5%
2090 0.89% -0.49%
2089 0.94% -0.47%
2088 0.95% -0.46%
2087 0.97% -0.46%
2086 0.97% -0.45%
2085 1% -0.43%
2084 1.02% -0.42%
2083 1.06% -0.4%
2082 1.04% -0.4%
2081 1.08% -0.38%
2080 1.09% -0.38%
2079 1.13% -0.35%
2078 1.13% -0.33%
2077 1.14% -0.32%
2076 1.2% -0.31%
2075 1.2% -0.31%
2074 1.25% -0.29%
2073 1.27% -0.27%
2072 1.29% -0.26%
2071 1.31% -0.25%
2070 1.36% -0.23%
2069 1.36% -0.23%
2068 1.37% -0.24%
2067 1.42% -0.21%
2066 1.43% -0.22%
2065 1.45% -0.19%
2064 1.48% -0.17%
2063 1.53% -0.16%
2062 1.52% -0.14%
2061 1.53% -0.14%
2060 1.55% -0.12%
2059 1.56% -0.11%
2058 1.58% -0.1%
2057 1.6% -0.09%
2056 1.62% -0.05%
2055 1.67% -0.04%
2054 1.69% -0.04%
2053 1.72% -0.02%
2052 1.75% -0.004%
2051 1.77% 0.01%
2050 1.79% 0.02%
2049 1.83% 0.04%
2048 1.88% 0.07%
2047 1.9% 0.1%
2046 1.93% 0.14%
2045 1.95% 0.13%
2044 2.02% 0.16%
2043 2.04% 0.18%
2042 2.1% 0.2%
2041 2.1% 0.22%
2040 2.13% 0.25%
2039 2.16% 0.26%
2038 2.18% 0.29%
2037 2.21% 0.29%
2036 2.23% 0.31%
2035 2.27% 0.33%
2034 2.31% 0.35%
2033 2.32% 0.37%
2032 2.35% 0.38%
2031 2.33% 0.41%
2030 2.33% 0.42%
2029 2.34% 0.45%
2028 2.36% 0.47%
2027 2.35% 0.5%
2026 2.38% 0.52%
2025 2.39% -0.73%
2024 2.43% -0.55%
2023 2.45% -0.65%
2022 2.43% 0.11%
2021 2.42% 1.08%
2020 2.42% 0.53%
2019 2.44% 0.61%
2018 2.47% 1.01%
2017 2.46% 1.15%
2016 2.45% 1.14%
2015 2.45% 0.92%
2014 2.45% 0.94%
2013 2.46% -2.76%
2012 2.84% 0.76%
2011 3.3% 0.62%
2010 4.23% 0.59%
2009 4.08% 0.62%
2008 3.34% 0.67%
2007 3.73% 0.69%
2006 3.81% 0.67%
2005 3.67% 0.64%
2004 3.48% 0.68%
2003 2.83% 0.74%
2002 2.39% 1.05%
2001 3.85% 1.59%
2000 3.91% 1.84%
1999 2.74% 1.88%
1998 2.22% 1.91%
1997 2.16% 1.92%
1996 2.81% 1.94%
1995 2.85% 1.67%
1994 3.01% 1.47%
1993 3% 1.71%
1992 2.87% 1.6%
1991 2.88% 0.75%
1990 2.9% 0.64%
1989 2.93% 1.06%
1988 2.94% 1.02%
1987 2.96% 1.18%
1986 2.98% 1.2%
1985 2.99% 0.66%
1984 2.52% 0.34%
1983 2.09% 0.67%
1982 2.18% 1.24%
1981 2.23% 1.69%
1980 2.26% 1.84%
1979 2.31% 1.88%
1978 2.37% 1.86%
1977 2.42% 1.83%
1976 2.47% 1.83%
1975 2.83% 1.83%
1974 3.17% 1.87%
1973 3.18% 1.97%
1972 3.15% 2.05%
1971 3.11% 2.16%
1970 3.06% 2.27%
1969 3.01% 2.37%
1968 2.96% 2.43%
1967 2.91% 2.44%
1966 2.87% 2.45%
1965 2.81% 2.47%
1964 2.76% 2.49%
1963 2.7% 2.48%
1962 2.65% 2.47%
1961 2.62% 2.46%

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/sri-lanka | CC BY

In 2025, the population of the Congo grew by 2.39%, while Sri Lanka's population declined by 0.73%.

Live population counters

Congo Sri Lanka
Current population
6718789
21926160
Population rank 109/197 63/197
Percent of world population 0.08% 0.26%
One net population change
3.48 minutes
3.29 minutes
One birth every
2.73 minutes
2.37 minutes
One death every
13.3 minutes
3.07 minutes
Daily growth/decline +415 -438
Annual growth/decline +151,476 -160,000
Annual growth/decline rate +2.39% -0.73%
Population growth rate rank 31/197 190/197
One migration net change every
2.93 hours
17.2 minutes
Annual migration change -2,999 -30,724
Net migration rank 108/196 165/196
Foreign-born residents 385,589 40,698
Foreign-born residents rank 91/195 156/195
Foreign-born share of population 6.1% 0.2%
Foreign-born share rank 86/195 190/195

Natural population change vs migration

Congo
Natural

Migration
Sri Lanka
Natural

Migration
1x
Year Population change
Congo Sri Lanka
Natural Migration Natural Migration
2025 - -2,999 - -30,724
2024 153,150 -2,491 50,407 -27,245
2023 150,486 -995 66,111 -28,011
2022 147,076 -995 95,378 -27,435
2021 144,241 -4,476 121,858 -29,586
2020 143,492 -4,472 170,968 -29,875
2019 139,513 -6,268 172,243 -28,426
2018 142,704 -8,856 183,610 -28,607
2017 141,973 -11,601 187,993 -22,324
2016 141,358 -14,783 194,232 -18,388
2015 141,539 -18,207 201,815 -29,797
2014 141,674 -21,598 211,541 -33,672
2013 142,080 -24,605 221,021 -37,754
2012 142,464 -26,643 229,138 -41,955
2011 140,371 5,262 224,461 -90,839
2010 136,908 12,318 224,325 -98,060
2009 126,904 86,014 200,175 -81,130
2008 120,711 1,774 232,225 -97,144
2007 112,459 31,239 248,287 -109,695
2006 106,876 35,475 248,706 -107,045
2005 101,344 38,337 248,683 -118,594
2004 96,577 25,412 212,527 -84,795
2003 91,326 26,280 252,008 -107,573
2002 88,497 -16,140 252,840 -105,718
2001 84,876 -764 244,377 19,273
2000 78,491 79,780 227,060 123,894
1999 76,204 2,470 206,876 138,799
1998 72,450 10,500 201,059 150,724
1997 66,149 -20,704 208,193 135,636
1996 75,628 1,085 215,290 127,236
1995 74,189 3,747 221,957 117,416
1994 72,857 1,850 228,904 8,323
1993 71,119 10,218 226,257 36,232
1992 69,973 0 222,230 88,542
1991 68,534 1,966 218,117 -1,047
1990 67,241 -395 224,454 -195,736
1989 65,944 1,214 212,401 -33,305
1988 64,629 22 219,184 -58,415
1987 63,183 525 226,414 -63,105
1986 61,669 367 233,782 -26,460
1985 60,359 182 247,836 -80,950
1984 59,028 0 263,175 -225,450
1983 58,120 -18,720 277,768 -209,362
1982 57,036 -16,664 300,030 -163,987
1981 56,603 -15,630 328,096 -89,824
1980 55,550 -14,972 328,155 -63,541
1979 54,723 -14,378 329,791 -57,683
1978 53,885 -13,356 317,055 -50,189
1977 53,179 -12,673 300,038 -45,383
1976 52,148 -11,971 291,816 -41,258
1975 51,155 -10,944 282,496 -37,475
1974 49,563 -312 275,521 -33,979
1973 48,017 -22 278,577 -30,582
1972 46,427 0 282,494 -27,071
1971 44,431 0 281,200 -22,021
1970 42,374 0 286,719 -16,299
1969 40,532 0 286,218 -10,152
1968 38,786 0 286,642 -7,163
1967 36,866 0 284,738 -6,696
1966 35,452 0 275,549 -6,794
1965 33,865 0 272,422 -7,249
1964 32,270 0 269,584 -7,614
1963 30,832 0 262,880 -8,118
1962 29,342 0 256,719 -8,909
1961 28,220 0 251,087 -10,144
1960 27,094 0 247,631 -12,610

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

GeoRank.org/population/congo/sri-lanka | 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 Sri Lanka 84.3% is from natural causes (a gain of 1,444,615 people) and 15.7% is from migration (a loss of 269,694 people).

As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 40,698 people or 0.2% in Sri Lanka.

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
Sri Lanka
City Population
Colombo 648K
Gampaha 191K
Beruwala 165K
Negombo 142K
Kandy 120K
Sri Jayawardenepura Kotte 116K
Trincomalee 99.1K
Galle 93.1K
Matara 68.2K
Anuradhapura 63.2K

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/sri-lanka | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.