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

Updated on by Georank team

The latest officially reported population of the Congo was 6,332,961 in 2024 vs 123,975,371 people in Japan in 2024. In 2025, based on the adjusted UN estimation, the current Congo's population is 6,607,609 people compared to 123,324,642 in Japan.

Population statistics:

  • Japan's population is 18.7 times bigger than the Congo's.
  • The Congo is ranked the 109th most populous country in the world, while Japan is the 12th.
  • The countries together account for 1.57% of the world: 0.08% for the Congo vs 1.49% for Japan.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs -0.25% in Japan.
  • Since 2005, the population of the Congo has increased from 3.7M people to 6.61M (78.8% growth), while Japan has declined from 128M to 123M (3.48% decline).
  • The Congo is projected to reach its peak in 2100 at 20M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.

Congo vs Japan: live population counter

Congo Japan
Current population
6607609
123324642
Population rank 109/197 12/197
Percent of world population 0.08% 1.49%
One net population change
3.5 minutes
58.3 seconds
One birth every
2.78 minutes
42.2 seconds
One death every
13.5 minutes
19.5 seconds
One migration net change every
3.52 hours
3.43 minutes
Annual migration change -2,491 +153,357
Daily growth/decline +411 -1,483
Annual growth/decline +150,076 -541,279
Annual growth/decline rate +2.43% -0.43%
Population growth rate rank 33/197 182/197

the Congo and Japan: population history and growth rate by year chart

Congo
Population

Growth rate
Japan
Population

Growth rate
Year Population Growth rate
Congo Japan Congo Japan
1960 1,056,732 93,216,000 - -
1961 1,084,389 94,055,000 2.62% 0.9%
1962 1,113,175 94,933,000 2.65% 0.93%
1963 1,143,263 95,900,000 2.7% 1.02%
1964 1,174,816 96,903,000 2.76% 1.05%
1965 1,207,880 97,952,000 2.81% 1.08%
1966 1,242,534 98,851,000 2.87% 0.92%
1967 1,278,691 99,879,000 2.91% 1.04%
1968 1,316,519 101,011,000 2.96% 1.13%
1969 1,356,182 102,219,000 3.01% 1.2%
1970 1,397,638 103,403,000 3.06% 1.16%
1971 1,441,039 105,697,000 3.11% 2.22%
1972 1,486,468 107,188,000 3.15% 1.41%
1973 1,533,680 108,707,000 3.18% 1.42%
1974 1,582,301 110,162,000 3.17% 1.34%
1975 1,627,032 111,573,000 2.83% 1.28%
1976 1,667,225 112,775,000 2.47% 1.08%
1977 1,707,568 113,872,000 2.42% 0.97%
1978 1,748,089 114,913,000 2.37% 0.91%
1979 1,788,524 115,890,000 2.31% 0.85%
1980 1,828,985 116,807,000 2.26% 0.79%
1981 1,869,759 117,661,000 2.23% 0.73%
1982 1,910,430 118,480,000 2.18% 0.7%
1983 1,950,321 119,307,000 2.09% 0.7%
1984 1,999,528 120,083,000 2.52% 0.65%
1985 2,059,311 120,837,000 2.99% 0.63%
1986 2,120,602 121,482,000 2.98% 0.53%
1987 2,183,473 122,069,000 2.96% 0.48%
1988 2,247,653 122,578,000 2.94% 0.42%
1989 2,313,558 123,069,000 2.93% 0.4%
1990 2,380,560 123,478,000 2.9% 0.33%
1991 2,449,229 123,964,000 2.88% 0.39%
1992 2,519,465 124,425,000 2.87% 0.37%
1993 2,595,124 124,829,000 3% 0.32%
1994 2,673,144 125,178,000 3.01% 0.28%
1995 2,749,461 125,472,000 2.85% 0.23%
1996 2,826,785 125,757,000 2.81% 0.23%
1997 2,887,862 126,057,000 2.16% 0.24%
1998 2,952,061 126,400,000 2.22% 0.27%
1999 3,032,874 126,631,000 2.74% 0.18%
2000 3,151,345 126,843,000 3.91% 0.17%
2001 3,272,537 127,149,000 3.85% 0.24%
2002 3,350,771 127,445,000 2.39% 0.23%
2003 3,445,753 127,718,000 2.83% 0.21%
2004 3,565,554 127,761,000 3.48% 0.03%
2005 3,696,393 127,773,000 3.67% 0.009%
2006 3,837,409 127,854,000 3.81% 0.06%
2007 3,980,430 128,001,000 3.73% 0.11%
2008 4,113,517 128,063,000 3.34% 0.05%
2009 4,281,219 128,047,000 4.08% -0.01%
2010 4,462,290 128,070,000 4.23% 0.02%
2011 4,609,724 127,833,000 3.3% -0.19%
2012 4,740,450 127,629,000 2.84% -0.16%
2013 4,857,099 127,445,000 2.46% -0.14%
2014 4,975,880 127,276,000 2.45% -0.13%
2015 5,097,581 127,141,000 2.45% -0.11%
2016 5,222,536 127,076,000 2.45% -0.05%
2017 5,351,011 126,972,000 2.46% -0.08%
2018 5,483,118 126,811,000 2.47% -0.13%
2019 5,616,661 126,633,000 2.44% -0.14%
2020 5,752,791 126,261,000 2.42% -0.29%
2021 5,892,183 125,681,593 2.42% -0.46%
2022 6,035,104 125,124,989 2.43% -0.44%
2023 6,182,885 124,516,650 2.45% -0.49%
2024 6,332,961 123,975,371 2.43% -0.43%
2025 6,484,427 123,324,642 2.39% -0.52%
2026 6,637,777 122,647,678 2.36% -0.55%
2027 6,794,288 121,951,038 2.36% -0.57%
2028 6,953,966 121,241,776 2.35% -0.58%
2029 7,116,456 120,524,230 2.34% -0.59%
2030 7,282,261 119,798,959 2.33% -0.6%
2031 7,452,405 119,065,610 2.34% -0.61%
2032 7,626,474 118,326,333 2.34% -0.62%
2033 7,802,988 117,583,337 2.31% -0.63%
2034 7,981,338 116,836,274 2.29% -0.64%
2035 8,160,723 116,084,328 2.25% -0.64%
2036 8,341,706 115,332,395 2.22% -0.65%
2037 8,524,798 114,582,890 2.19% -0.65%
2038 8,709,719 113,837,760 2.17% -0.65%
2039 8,896,164 113,097,352 2.14% -0.65%
2040 9,083,959 112,359,802 2.11% -0.65%
2041 9,274,654 111,622,622 2.1% -0.66%
2042 9,466,745 110,891,223 2.07% -0.66%
2043 9,658,834 110,169,955 2.03% -0.65%
2044 9,850,493 109,455,823 1.98% -0.65%
2045 10,041,891 108,747,012 1.94% -0.65%
2046 10,234,360 108,044,346 1.92% -0.65%
2047 10,427,899 107,350,486 1.89% -0.64%
2048 10,621,379 106,665,616 1.86% -0.64%
2049 10,813,639 105,986,908 1.81% -0.64%
2050 11,006,454 105,312,022 1.78% -0.64%

From 2005 to 2015, the population of the Congo increased by 1,401,188 people (a 37.9% growth), while Japan lost 632,000 people (a 0.49% decline).

For the next 10 years, from 2015 to 2025, the Congo gained 1,510,028 (a 29.6% growth), while Japan's population decreased by -3,816,358 (a 3% decline).

The Congo was ranked 125th most populous country in 2005 and is 109th in 2025. Japan was ranked 10th in 2005 and ranked 12th now.

The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) the Congo's population will grow by 66.6% to 11,006,454 people with a rank change from 109th to 95th. The population of Japan will decrease by 14.6% to 105,312,022 people and rank change from 12th to 17th.

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
Japan
City Population
Tokyo 14.3M
Yokohama 3.76M
Osaka 2.75M
Nagoya 2.33M
Sapporo 1.96M
Fukuoka 1.6M
Kawasaki 1.54M
Kobe 1.52M
Kyoto 1.46M
Saitama 1.33M

Compare countries by 7 more topics

Population map with other countries

Population

Growth rate visualization in other countries

Growth rate

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