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Population in Japan compared to Niger: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Japan was 123,366,734 in 2025 vs 27,917,831 people in Niger in 2025. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,704,252 people compared to 29,294,628 in Niger.

Population statistics:

  • Japan's population is 4.19 times bigger than Niger's.
  • Japan is ranked the 12th most populous country in the world, while Niger is the 53rd.
  • The countries together account for 1.83% of the world: 1.48% for Japan vs 0.35% for Niger.
  • For the last 10 years, Japan has had an average growth rate of -0.28% per year vs +3.45% in Niger.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.03% decline), while Niger has grown from 14.3M to 29.3M (105.3% growth).

Japan vs Niger: population by year and forecast

Japan
Factual

Projection
Niger
Factual

Projection
1x
Year Population
Japan Niger
2100 76,995,942 92,119,820
2099 77,380,486 91,758,864
2098 77,759,557 91,380,105
2097 78,135,569 90,979,507
2096 78,515,892 90,560,194
2095 78,892,606 90,121,433
2094 79,267,768 89,665,016
2093 79,645,584 89,186,290
2092 80,025,578 88,687,247
2091 80,401,222 88,169,255
2090 80,778,500 87,632,134
2089 81,158,413 87,075,435
2088 81,539,639 86,497,532
2087 81,926,401 85,901,116
2086 82,322,612 85,285,801
2085 82,727,738 84,648,237
2084 83,141,354 83,990,034
2083 83,562,394 83,310,768
2082 83,998,809 82,611,309
2081 84,447,888 81,895,814
2080 84,918,455 81,159,765
2079 85,406,042 80,409,054
2078 85,916,840 79,639,286
2077 86,453,316 78,852,089
2076 87,012,155 78,045,772
2075 87,597,053 77,223,494
2074 88,209,803 76,387,922
2073 88,854,316 75,535,687
2072 89,519,055 74,667,410
2071 90,204,314 73,784,579
2070 90,919,143 72,888,455
2069 91,645,589 71,975,811
2068 92,388,299 71,050,594
2067 93,133,993 70,111,034
2066 93,889,902 69,159,115
2065 94,654,259 68,199,397
2064 95,412,429 67,226,153
2063 96,169,244 66,242,857
2062 96,924,236 65,249,357
2061 97,675,525 64,246,142
2060 98,422,553 63,236,587
2059 99,166,038 62,219,239
2058 99,890,950 61,193,260
2057 100,607,740 60,161,411
2056 101,318,164 59,126,596
2055 102,012,184 58,084,470
2054 102,706,063 57,038,192
2053 103,381,833 55,989,073
2052 104,059,800 54,940,685
2051 104,729,745 53,889,624
2050 105,400,477 52,841,076
2049 106,076,354 51,793,560
2048 106,754,699 50,746,939
2047 107,442,881 49,703,518
2046 108,139,155 48,661,960
2045 108,844,934 47,622,548
2044 109,553,441 46,586,941
2043 110,269,851 45,557,790
2042 110,992,599 44,531,886
2041 111,729,216 43,511,370
2040 112,463,507 42,494,381
2039 113,200,859 41,482,338
2038 113,940,856 40,472,234
2037 114,687,611 39,463,944
2036 115,436,359 38,459,660
2035 116,187,949 37,458,584
2034 116,936,734 36,465,688
2033 117,678,572 35,476,260
2032 118,419,247 34,497,489
2031 119,153,646 33,527,117
2030 119,882,512 32,563,547
2029 120,600,781 31,610,576
2028 121,314,239 30,670,274
2027 122,015,984 29,741,014
2026 122,704,252 28,823,166
2025 123,366,734 27,917,831
2024 123,975,371 27,032,412
2023 124,516,650 26,159,867
2022 125,124,989 25,311,973
2021 125,681,593 24,502,140
2020 126,261,000 23,717,613
2019 126,633,000 22,947,757
2018 126,811,000 22,188,069
2017 126,972,000 21,435,446
2016 127,076,000 20,685,753
2015 127,141,000 19,939,498
2014 127,276,000 19,215,909
2013 127,445,000 18,519,898
2012 127,629,000 17,836,769
2011 127,833,000 17,176,283
2010 128,070,000 16,548,835
2009 128,047,000 15,943,675
2008 128,063,000 15,361,915
2007 128,001,000 14,803,610
2006 127,854,000 14,268,581
2005 127,773,000 13,756,192
2004 127,761,000 13,265,836
2003 127,718,000 12,796,984
2002 127,445,000 12,349,144
2001 127,149,000 11,920,647
2000 126,843,000 11,509,630
1999 126,631,000 11,117,411
1998 126,400,000 10,741,413
1997 126,057,000 10,383,969
1996 125,757,000 10,044,852
1995 125,472,000 9,714,529
1994 125,178,000 9,398,258
1993 124,829,000 9,100,789
1992 124,425,000 8,817,633
1991 123,964,000 8,546,900
1990 123,478,000 8,286,059
1989 123,069,000 8,034,780
1988 122,578,000 7,793,748
1987 122,069,000 7,561,150
1986 121,482,000 7,335,811
1985 120,837,000 7,118,457
1984 120,083,000 6,909,971
1983 119,307,000 6,708,644
1982 118,480,000 6,512,732
1981 117,661,000 6,322,006
1980 116,807,000 6,135,971
1979 115,890,000 5,955,556
1978 114,913,000 5,782,932
1977 113,872,000 5,619,716
1976 112,775,000 5,464,962
1975 111,573,000 5,317,019
1974 110,162,000 5,174,953
1973 108,707,000 5,037,865
1972 107,188,000 4,904,845
1971 105,697,000 4,776,225
1970 103,403,000 4,650,275
1969 102,219,000 4,525,725
1968 101,011,000 4,403,637
1967 99,879,000 4,283,590
1966 98,851,000 4,165,544
1965 97,952,000 4,049,695
1964 96,903,000 3,935,814
1963 95,900,000 3,823,873
1962 94,933,000 3,714,520
1961 94,055,000 3,608,162
1960 93,216,000 3,505,050

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/japan/niger | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Niger gained 6,417,172 people (a 45% growth).

For the next 10 years, from 2016 to 2026, Japan lost 4,371,748 people (a 3.44% decline), while Niger's population increased by 8,608,875 people (a 41.6% growth).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Niger was ranked 64th in 2006 and ranked 53rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Japan's population will shrink by 14.1% to 105,400,477 people with a rank change from 12th to 17th. The population of Niger will increase by 80.4% to 52,841,076 people and rank change from 53rd to 38th.

Niger is projected to reach its peak in 2100 at 92.1M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.

Population growth rate by year

Japan
Factual

Projection
Niger
Factual

Projection
1x
Year Growth rate
Japan Niger
2100 -0.5% 0.39%
2099 -0.49% 0.41%
2098 -0.48% 0.44%
2097 -0.48% 0.46%
2096 -0.48% 0.49%
2095 -0.47% 0.51%
2094 -0.47% 0.54%
2093 -0.47% 0.56%
2092 -0.47% 0.59%
2091 -0.47% 0.61%
2090 -0.47% 0.64%
2089 -0.47% 0.67%
2088 -0.47% 0.69%
2087 -0.48% 0.72%
2086 -0.49% 0.75%
2085 -0.5% 0.78%
2084 -0.5% 0.82%
2083 -0.52% 0.85%
2082 -0.53% 0.87%
2081 -0.55% 0.91%
2080 -0.57% 0.93%
2079 -0.59% 0.97%
2078 -0.62% 1%
2077 -0.64% 1.03%
2076 -0.67% 1.06%
2075 -0.69% 1.09%
2074 -0.73% 1.13%
2073 -0.74% 1.16%
2072 -0.76% 1.2%
2071 -0.79% 1.23%
2070 -0.79% 1.27%
2069 -0.8% 1.3%
2068 -0.8% 1.34%
2067 -0.81% 1.38%
2066 -0.81% 1.41%
2065 -0.79% 1.45%
2064 -0.79% 1.48%
2063 -0.78% 1.52%
2062 -0.77% 1.56%
2061 -0.76% 1.6%
2060 -0.75% 1.64%
2059 -0.73% 1.68%
2058 -0.71% 1.72%
2057 -0.7% 1.75%
2056 -0.68% 1.79%
2055 -0.68% 1.83%
2054 -0.65% 1.87%
2053 -0.65% 1.91%
2052 -0.64% 1.95%
2051 -0.64% 1.98%
2050 -0.64% 2.02%
2049 -0.64% 2.06%
2048 -0.64% 2.1%
2047 -0.64% 2.14%
2046 -0.65% 2.18%
2045 -0.65% 2.22%
2044 -0.65% 2.26%
2043 -0.65% 2.3%
2042 -0.66% 2.35%
2041 -0.65% 2.39%
2040 -0.65% 2.44%
2039 -0.65% 2.5%
2038 -0.65% 2.55%
2037 -0.65% 2.61%
2036 -0.65% 2.67%
2035 -0.64% 2.72%
2034 -0.63% 2.79%
2033 -0.63% 2.84%
2032 -0.62% 2.89%
2031 -0.61% 2.96%
2030 -0.6% 3.01%
2029 -0.59% 3.07%
2028 -0.58% 3.12%
2027 -0.56% 3.18%
2026 -0.54% 3.24%
2025 -0.49% 3.28%
2024 -0.43% 3.34%
2023 -0.49% 3.35%
2022 -0.44% 3.31%
2021 -0.46% 3.31%
2020 -0.29% 3.35%
2019 -0.14% 3.42%
2018 -0.13% 3.51%
2017 -0.08% 3.62%
2016 -0.05% 3.74%
2015 -0.11% 3.77%
2014 -0.13% 3.76%
2013 -0.14% 3.83%
2012 -0.16% 3.85%
2011 -0.19% 3.79%
2010 0.02% 3.8%
2009 -0.01% 3.79%
2008 0.05% 3.77%
2007 0.11% 3.75%
2006 0.06% 3.72%
2005 0.009% 3.7%
2004 0.03% 3.66%
2003 0.21% 3.63%
2002 0.23% 3.59%
2001 0.24% 3.57%
2000 0.17% 3.53%
1999 0.18% 3.5%
1998 0.27% 3.44%
1997 0.24% 3.38%
1996 0.23% 3.4%
1995 0.23% 3.37%
1994 0.28% 3.27%
1993 0.32% 3.21%
1992 0.37% 3.17%
1991 0.39% 3.15%
1990 0.33% 3.13%
1989 0.4% 3.09%
1988 0.42% 3.08%
1987 0.48% 3.07%
1986 0.53% 3.05%
1985 0.63% 3.02%
1984 0.65% 3%
1983 0.7% 3.01%
1982 0.7% 3.02%
1981 0.73% 3.03%
1980 0.79% 3.03%
1979 0.85% 2.99%
1978 0.91% 2.9%
1977 0.97% 2.83%
1976 1.08% 2.78%
1975 1.28% 2.75%
1974 1.34% 2.72%
1973 1.42% 2.71%
1972 1.41% 2.69%
1971 2.22% 2.71%
1970 1.16% 2.75%
1969 1.2% 2.77%
1968 1.13% 2.8%
1967 1.04% 2.83%
1966 0.92% 2.86%
1965 1.08% 2.89%
1964 1.05% 2.93%
1963 1.02% 2.94%
1962 0.93% 2.95%
1961 0.9% 2.94%

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/japan/niger | CC BY

In 2025, the population of Japan declined by 0.49%, while Niger's population grew by 3.28%.

Live population counters

Japan Niger
Current population
122704252
29294628
Population rank 12/197 53/197
Percent of world population 1.48% 0.35%
One net population change
52 seconds
35.7 seconds
One birth every
44.6 seconds
28.2 seconds
One death every
19.1 seconds
2.23 minutes
Daily growth/decline -1,667 +2,426
Annual growth/decline -608,637 +885,419
Annual growth/decline rate -0.49% +3.28%
Population growth rate rank 183/197 9/197
One migration net change every
3.75 minutes
1.14 hours
Annual migration change +140,579 -7,704
Net migration rank 10/196 126/196
Foreign-born residents 3,409,529 449,236
Foreign-born residents rank 19/195 85/195
Foreign-born share of population 2.8% 1.7%
Foreign-born share rank 120/195 140/195

Natural population change vs migration

Japan
Natural

Migration
Niger
Natural

Migration
1x
Year Population change
Japan Niger
Natural Migration Natural Migration
2025 - 140,579 - -7,704
2024 -942,213 153,357 883,987 -4,041
2023 -871,617 175,003 864,139 995
2022 -825,825 175,003 829,651 995
2021 -640,976 -34,996 793,428 -4,405
2020 -542,923 42,001 784,437 -4,402
2019 -531,858 318,190 775,474 -15,778
2018 -456,520 320,601 763,536 -3,830
2017 -406,310 322,564 752,384 -6,830
2016 -343,106 314,732 738,999 14,833
2015 -292,424 168,896 721,630 17,051
2014 -267,279 58,109 704,609 3,891
2013 -242,146 66,449 686,070 -2,543
2012 -229,733 67,904 664,009 18,714
2011 -204,533 97,720 645,175 -6,941
2010 -128,070 131,860 624,685 -8,033
2009 -76,828 125,450 602,671 -9,014
2008 -51,225 142,605 579,727 -9,847
2007 -25,600 138,024 556,808 -10,069
2006 12,785 130,065 533,374 -10,054
2005 -25,554 113,017 511,167 -9,700
2004 76,656 69,014 488,328 -9,070
2003 114,946 74,875 467,295 -8,841
2002 178,423 60,864 446,767 -9,550
2001 203,438 59,563 428,417 -8,654
2000 228,317 23,468 410,779 -8,522
1999 202,610 56,901 394,212 -12,037
1998 265,440 45,912 377,120 -7,298
1997 277,325 43,366 358,745 -13,680
1996 314,392 25,030 341,223 -8,057
1995 276,039 87,714 323,630 3,843
1994 363,017 154,214 306,026 -959
1993 312,073 168,836 292,135 -2,269
1992 360,833 170,878 278,690 -2,258
1991 396,685 161,331 266,527 -1,500
1990 407,478 124,582 256,594 73
1989 467,662 31,202 245,278 613
1988 527,085 51,154 237,296 -1,139
1987 598,138 28,001 231,371 -2,338
1986 631,706 27,987 224,365 -2,728
1985 676,687 -141,323 219,206 -6,126
1984 756,523 -273,686 213,111 -9,208
1983 775,495 -269,755 207,962 -9,209
1982 805,664 -288,550 202,012 -8,935
1981 811,861 -278,525 195,938 -7,559
1980 864,372 -92,314 189,251 -5,564
1979 950,298 -57,692 180,632 -3,495
1978 1,011,234 -47,996 171,614 -3,494
1977 1,070,397 -49,082 161,792 -3,476
1976 1,127,750 -34,976 154,489 -3,308
1975 1,204,989 107 147,962 -3,254
1974 1,332,960 -10,145 142,606 -3,179
1973 1,391,449 -34,674 137,695 -2,942
1972 1,372,006 -73,980 133,813 -2,525
1971 1,331,782 -107,778 128,223 -2,277
1970 1,230,496 33,731 128,184 -2,225
1969 1,195,962 49,447 125,389 -2,245
1968 1,191,930 43,593 123,301 -2,277
1967 1,258,475 29,632 121,358 -2,289
1966 682,072 68,934 119,314 -2,289
1965 1,126,448 -50,667 116,963 -2,289
1964 1,046,553 -100,696 115,386 -2,289
1963 987,770 -100,742 113,072 -2,289
1962 901,864 -57,075 110,280 -2,369
1961 893,522 -58,882 107,693 -2,893
1960 894,874 -150,371 105,081 -3,641

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

GeoRank.org/population/japan/niger | CC BY

Over the last 10 years, 75% of the population change in Japan is from natural causes (a loss of 5,853,772 people) and 25% is from migration (a gain of 1,955,351 people). In Niger 99.9% is from natural causes (a gain of 7,907,665 people) and 0.07% is from migration (a loss of 5,412 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 449,236 people or 1.7% in Niger.

Biggest cities by population

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
Niger
City Population
Niamey 1.5M
Maradi 267K
Zinder 236K

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/japan/niger | 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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