Skip to content

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

Updated on by Georank team

The latest officially reported population of the Congo was 6,332,961 in 2024 vs 386,506 people in Iceland in 2024. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,681,829 people compared to 397,129 in Iceland.

Population statistics:

  • The Congo's population is 16.8 times bigger than Iceland's.
  • The Congo is ranked the 109th most populous country in the world, while Iceland is the 173rd.
  • The countries together account for 0.09% of the world: 0.08% for the Congo vs 0.005% for Iceland.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +1.63% in Iceland.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.68M (74.1% growth), while Iceland has grown from 304K to 397K (30.7% growth).

Congo vs Iceland: population by year and forecast

Congo
Factual

Projection
Iceland
Factual

Projection
1x
Year Population
Congo Iceland
2100 20,197,393 359,553
2099 20,056,338 361,331
2098 19,909,990 363,133
2097 19,763,169 364,957
2096 19,613,556 366,850
2095 19,462,505 368,746
2094 19,309,823 370,650
2093 19,154,254 372,614
2092 18,993,517 374,717
2091 18,831,137 376,803
2090 18,666,035 378,807
2089 18,500,705 380,812
2088 18,328,408 382,997
2087 18,156,542 385,164
2086 17,982,556 387,257
2085 17,810,599 389,362
2084 17,634,115 391,416
2083 17,455,922 393,481
2082 17,273,447 395,438
2081 17,095,916 397,470
2080 16,913,187 399,499
2079 16,731,545 401,462
2078 16,545,390 403,324
2077 16,360,458 405,255
2076 16,175,508 406,954
2075 15,984,378 408,546
2074 15,794,071 410,015
2073 15,599,735 411,402
2072 15,404,494 412,903
2071 15,207,921 414,245
2070 15,011,471 415,521
2069 14,810,543 416,683
2068 14,612,051 417,749
2067 14,415,033 418,899
2066 14,213,222 419,918
2065 14,012,829 420,941
2064 13,813,071 421,814
2063 13,611,733 422,695
2062 13,407,155 423,614
2061 13,206,406 424,319
2060 13,006,970 425,096
2059 12,808,144 425,721
2058 12,611,185 426,288
2057 12,415,316 426,844
2056 12,219,298 427,304
2055 12,024,601 427,695
2054 11,826,644 427,915
2053 11,629,783 428,108
2052 11,433,645 428,300
2051 11,236,927 428,278
2050 11,041,020 428,323
2049 10,846,652 428,289
2048 10,651,879 428,213
2047 10,455,019 428,102
2046 10,260,138 427,911
2045 10,065,444 427,683
2044 9,872,742 427,236
2043 9,677,498 426,580
2042 9,483,953 425,915
2041 9,288,673 425,212
2040 9,097,986 424,385
2039 8,908,556 423,407
2038 8,720,599 422,302
2037 8,534,256 421,094
2036 8,350,011 419,738
2035 8,167,940 418,238
2034 7,986,915 416,721
2033 7,806,956 415,006
2032 7,629,621 413,150
2031 7,454,630 411,039
2030 7,285,238 408,677
2029 7,119,031 406,109
2028 6,956,345 403,085
2027 6,795,830 399,797
2026 6,639,560 396,141
2025 6,485,440 391,759
2024 6,332,961 386,506
2023 6,182,885 385,663
2022 6,035,104 382,003
2021 5,892,183 372,520
2020 5,752,791 366,463
2019 5,616,661 360,563
2018 5,483,118 352,721
2017 5,351,011 343,400
2016 5,222,536 335,439
2015 5,097,581 330,815
2014 4,975,880 327,386
2013 4,857,099 323,764
2012 4,740,450 320,716
2011 4,609,724 319,014
2010 4,462,290 318,041
2009 4,281,219 318,499
2008 4,113,517 317,414
2007 3,980,430 311,566
2006 3,837,409 303,782
2005 3,696,393 296,734
2004 3,565,554 292,074
2003 3,445,753 289,521
2002 3,350,771 287,523
2001 3,272,537 284,968
2000 3,151,345 281,205
1999 3,032,874 277,381
1998 2,952,061 274,047
1997 2,887,862 271,128
1996 2,826,785 268,916
1995 2,749,461 267,468
1994 2,673,144 266,021
1993 2,595,124 263,725
1992 2,519,465 261,057
1991 2,449,229 257,797
1990 2,380,560 254,826
1989 2,313,558 252,852
1988 2,247,653 249,740
1987 2,183,473 245,859
1986 2,120,602 243,180
1985 2,059,311 241,405
1984 1,999,528 239,511
1983 1,950,321 236,977
1982 1,910,430 233,860
1981 1,869,759 230,755
1980 1,828,985 228,138
1979 1,788,524 225,735
1978 1,748,089 223,537
1977 1,707,568 221,799
1976 1,667,225 220,154
1975 1,627,032 217,979
1974 1,582,301 215,209
1973 1,533,680 212,317
1972 1,486,468 209,137
1971 1,441,039 206,098
1970 1,397,638 204,438
1969 1,356,182 203,369
1968 1,316,519 201,488
1967 1,278,691 198,751
1966 1,242,534 195,570
1965 1,207,880 192,286
1964 1,174,816 188,983
1963 1,143,263 185,653
1962 1,113,175 182,378
1961 1,084,389 179,029
1960 1,056,732 175,574

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/iceland | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Iceland gained 31,657 people (a 10.4% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,459,293 people (a 27.9% growth), while Iceland's population increased by 61,690 people (a 18.4% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Iceland was ranked 172nd in 2006 and ranked 173rd 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 Iceland will increase by 7.85% to 428,323 people and will still be ranked 173rd.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 428K people in 2050 for Iceland.

Population growth rate by year

Congo
Factual

Projection
Iceland
Factual

Projection
1x
Year Growth rate
Congo Iceland
2100 0.7% -0.49%
2099 0.74% -0.5%
2098 0.74% -0.5%
2097 0.76% -0.52%
2096 0.78% -0.51%
2095 0.79% -0.51%
2094 0.81% -0.53%
2093 0.85% -0.56%
2092 0.86% -0.55%
2091 0.88% -0.53%
2090 0.89% -0.53%
2089 0.94% -0.57%
2088 0.95% -0.56%
2087 0.97% -0.54%
2086 0.97% -0.54%
2085 1% -0.52%
2084 1.02% -0.52%
2083 1.06% -0.49%
2082 1.04% -0.51%
2081 1.08% -0.51%
2080 1.09% -0.49%
2079 1.13% -0.46%
2078 1.13% -0.48%
2077 1.14% -0.42%
2076 1.2% -0.39%
2075 1.2% -0.36%
2074 1.25% -0.34%
2073 1.27% -0.36%
2072 1.29% -0.32%
2071 1.31% -0.31%
2070 1.36% -0.28%
2069 1.36% -0.26%
2068 1.37% -0.27%
2067 1.42% -0.24%
2066 1.43% -0.24%
2065 1.45% -0.21%
2064 1.48% -0.21%
2063 1.53% -0.22%
2062 1.52% -0.17%
2061 1.53% -0.18%
2060 1.55% -0.15%
2059 1.56% -0.13%
2058 1.58% -0.13%
2057 1.6% -0.11%
2056 1.62% -0.09%
2055 1.67% -0.05%
2054 1.69% -0.05%
2053 1.72% -0.04%
2052 1.75% 0.005%
2051 1.77% -0.01%
2050 1.79% 0.008%
2049 1.83% 0.02%
2048 1.88% 0.03%
2047 1.9% 0.04%
2046 1.93% 0.05%
2045 1.95% 0.1%
2044 2.02% 0.15%
2043 2.04% 0.16%
2042 2.1% 0.17%
2041 2.1% 0.2%
2040 2.13% 0.23%
2039 2.16% 0.26%
2038 2.18% 0.29%
2037 2.21% 0.32%
2036 2.23% 0.36%
2035 2.27% 0.36%
2034 2.31% 0.41%
2033 2.32% 0.45%
2032 2.35% 0.51%
2031 2.33% 0.58%
2030 2.33% 0.63%
2029 2.34% 0.75%
2028 2.36% 0.82%
2027 2.35% 0.92%
2026 2.38% 1.12%
2025 2.41% 1.36%
2024 2.43% 0.22%
2023 2.45% 0.96%
2022 2.43% 2.55%
2021 2.42% 1.65%
2020 2.42% 1.64%
2019 2.44% 2.22%
2018 2.47% 2.71%
2017 2.46% 2.37%
2016 2.45% 1.4%
2015 2.45% 1.05%
2014 2.45% 1.12%
2013 2.46% 0.95%
2012 2.84% 0.53%
2011 3.3% 0.31%
2010 4.23% -0.14%
2009 4.08% 0.34%
2008 3.34% 1.88%
2007 3.73% 2.56%
2006 3.81% 2.38%
2005 3.67% 1.6%
2004 3.48% 0.88%
2003 2.83% 0.69%
2002 2.39% 0.9%
2001 3.85% 1.34%
2000 3.91% 1.38%
1999 2.74% 1.22%
1998 2.22% 1.08%
1997 2.16% 0.82%
1996 2.81% 0.54%
1995 2.85% 0.54%
1994 3.01% 0.87%
1993 3% 1.02%
1992 2.87% 1.26%
1991 2.88% 1.17%
1990 2.9% 0.78%
1989 2.93% 1.25%
1988 2.94% 1.58%
1987 2.96% 1.1%
1986 2.98% 0.74%
1985 2.99% 0.79%
1984 2.52% 1.07%
1983 2.09% 1.33%
1982 2.18% 1.35%
1981 2.23% 1.15%
1980 2.26% 1.06%
1979 2.31% 0.98%
1978 2.37% 0.78%
1977 2.42% 0.75%
1976 2.47% 1%
1975 2.83% 1.29%
1974 3.17% 1.36%
1973 3.18% 1.52%
1972 3.15% 1.47%
1971 3.11% 0.81%
1970 3.06% 0.53%
1969 3.01% 0.93%
1968 2.96% 1.38%
1967 2.91% 1.63%
1966 2.87% 1.71%
1965 2.81% 1.75%
1964 2.76% 1.79%
1963 2.7% 1.8%
1962 2.65% 1.87%
1961 2.62% 1.97%

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/iceland | CC BY

In 2024, the population of the Congo grew by 2.43%, while Iceland's population grew by 0.22%.

Live population counters

Congo Iceland
Current population
6681829
397129
Population rank 109/197 173/197
Percent of world population 0.08% 0.005%
One net population change
3.5 minutes
10.4 hours
One birth every
2.78 minutes
2.07 hours
One death every
13.5 minutes
3.44 hours
Daily growth/decline +411 +2
Annual growth/decline +150,076 +843
Annual growth/decline rate +2.43% +0.22%
Population growth rate rank 31/197 155/197
One migration net change every
2.93 hours
3.24 hours
Annual migration change -2,999 +2,709
Net migration rank 108/196 56/196
Foreign-born residents 385,589 98,818
Foreign-born residents rank 91/195 130/195
Foreign-born share of population 6.1% 25.1%
Foreign-born share rank 86/195 23/195

Natural population change vs migration

Congo
Natural

Migration
Iceland
Natural

Migration
1x
Year Population change
Congo Iceland
Natural Migration Natural Migration
2025 - -2,999 - 2,709
2024 - -2,491 - 3,543
2023 150,486 -995 1,697 4,630
2022 147,076 -995 1,719 6,535
2021 144,241 -4,476 2,534 4,911
2020 143,492 -4,472 2,199 2,498
2019 139,513 -6,268 2,163 5,030
2018 142,704 -8,856 1,975 6,638
2017 141,973 -11,601 1,854 8,348
2016 141,358 -14,783 1,711 4,128
2015 141,539 -18,207 1,952 1,499
2014 141,674 -21,598 2,324 1,139
2013 142,080 -24,605 2,169 1,666
2012 142,464 -26,643 2,566 -277
2011 140,371 5,262 2,521 -1,393
2010 136,908 12,318 2,862 -2,055
2009 126,904 86,014 3,026 -4,785
2008 120,711 1,774 2,825 1,138
2007 112,459 31,239 2,617 5,254
2006 106,876 35,475 2,491 5,300
2005 101,344 38,337 2,433 3,925
2004 96,577 25,412 2,425 610
2003 91,326 26,280 2,317 -204
2002 88,497 -16,140 2,243 -333
2001 84,876 -764 2,365 867
2000 78,491 79,780 2,475 1,877
1999 76,204 2,470 2,192 1,165
1998 72,450 10,500 2,357 1,014
1997 66,149 -20,704 2,305 225
1996 75,628 1,085 2,447 -511
1995 74,189 3,747 2,354 -1,354
1994 72,857 1,850 2,713 -804
1993 71,119 10,218 2,875 -194
1992 69,973 0 2,898 -225
1991 68,534 1,966 2,733 1,145
1990 67,241 -395 3,058 -971
1989 65,944 1,214 2,832 -994
1988 64,629 22 2,847 1,572
1987 63,183 525 2,360 944
1986 61,669 367 2,384 -335
1985 60,359 182 2,221 -628
1984 59,028 0 2,539 -328
1983 58,120 -18,720 2,702 170
1982 57,036 -16,664 2,736 616
1981 56,603 -15,630 2,677 157
1980 55,550 -14,972 2,966 -629
1979 54,723 -14,378 2,980 -572
1978 53,885 -13,356 2,727 -781
1977 53,179 -12,673 2,551 -1,079
1976 52,148 -11,971 2,951 -1,181
1975 51,155 -10,944 2,965 -388
1974 49,563 -312 2,776 209
1973 48,017 -22 3,121 -310
1972 46,427 0 3,241 362
1971 44,431 0 2,782 -231
1970 42,374 0 2,576 -1,754
1969 40,532 0 2,766 -1,414
1968 38,786 0 2,841 -448
1967 36,866 0 3,021 47
1966 35,452 0 3,305 39
1965 33,865 0 3,442 -194
1964 32,270 0 3,459 -67
1963 30,832 0 3,490 -113
1962 29,342 0 3,465 -228
1961 28,220 0 3,312 164
1960 27,094 0 3,758 -269

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

GeoRank.org/population/congo/iceland | 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 Iceland 30.7% is from natural causes (a gain of 20,128 people) and 69.3% is from migration (a gain of 45,356 people).

As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 98,818 people or 25.1% in Iceland.

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
Iceland
City Population
Reykjavik 139K
Kopavogur 40K
Hafnarfjorur 31.5K
Keflavik 23.3K
Akureyri 20K

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/iceland | 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 2026-04-06)
  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)

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.