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

Updated on by Georank team

The latest officially reported population of Japan was 123,975,371 in 2024 vs 34,217,848 people in Peru in 2024. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,677,250 people compared to 35,031,596 in Peru.

Population statistics:

  • Japan's population is 3.5 times bigger than Peru's.
  • Japan is ranked the 12th most populous country in the world, while Peru is the 48th.
  • The countries together account for 1.9% of the world: 1.48% for Japan vs 0.42% for Peru.
  • For the last 10 years, Japan has had an average growth rate of -0.25% per year vs +1.26% in Peru.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.05% decline), while Peru has grown from 28.3M to 35M (23.7% growth).

Japan vs Peru: population by year and forecast

Japan
Factual

Projection
Peru
Factual

Projection
1x
Year Population
Japan Peru
2100 76,978,998 38,452,509
2099 77,363,458 38,619,608
2098 77,742,445 38,784,430
2097 78,118,375 38,947,717
2096 78,498,614 39,108,849
2095 78,875,245 39,267,786
2094 79,250,325 39,423,479
2093 79,628,057 39,578,294
2092 80,007,967 39,729,309
2091 80,383,529 39,877,488
2090 80,760,724 40,022,659
2089 81,140,553 40,164,228
2088 81,521,696 40,303,304
2087 81,908,373 40,438,644
2086 82,304,497 40,569,419
2085 82,709,534 40,695,935
2084 83,123,058 40,817,705
2083 83,544,006 40,933,831
2082 83,980,325 41,045,559
2081 84,429,305 41,151,529
2080 84,899,768 41,252,019
2079 85,387,247 41,345,682
2078 85,897,934 41,433,298
2077 86,434,291 41,514,392
2076 86,993,007 41,589,064
2075 87,577,777 41,656,726
2074 88,190,392 41,717,426
2073 88,834,763 41,770,225
2072 89,499,356 41,815,673
2071 90,184,464 41,853,504
2070 90,899,136 41,883,997
2069 91,625,421 41,906,365
2068 92,367,969 41,920,235
2067 93,113,499 41,925,717
2066 93,869,240 41,923,100
2065 94,633,430 41,912,338
2064 95,391,433 41,893,671
2063 96,148,081 41,866,010
2062 96,902,907 41,830,096
2061 97,654,031 41,785,364
2060 98,400,894 41,732,163
2059 99,144,216 41,670,843
2058 99,868,968 41,601,084
2057 100,585,601 41,522,014
2056 101,295,868 41,434,774
2055 101,989,736 41,338,448
2054 102,683,462 41,233,873
2053 103,359,083 41,120,477
2052 104,036,901 40,999,698
2051 104,706,698 40,870,773
2050 105,377,283 40,733,304
2049 106,053,011 40,588,072
2048 106,731,207 40,434,856
2047 107,419,237 40,272,431
2046 108,115,358 40,100,751
2045 108,820,982 39,920,558
2044 109,529,333 39,731,027
2043 110,245,586 39,534,093
2042 110,968,174 39,328,332
2041 111,704,629 39,114,174
2040 112,438,759 38,892,211
2039 113,175,948 38,662,243
2038 113,915,783 38,424,592
2037 114,662,374 38,178,789
2036 115,410,956 37,924,438
2035 116,162,381 37,662,565
2034 116,911,001 37,392,354
2033 117,652,676 37,114,776
2032 118,393,188 36,830,488
2031 119,127,425 36,538,688
2030 119,856,131 36,238,199
2029 120,574,242 35,929,085
2028 121,287,543 35,609,999
2027 121,989,133 35,280,410
2026 122,677,250 34,939,340
2025 123,339,586 34,585,730
2024 123,975,371 34,217,848
2023 124,516,650 33,845,617
2022 125,124,989 33,475,438
2021 125,681,593 33,155,882
2020 126,261,000 32,838,579
2019 126,633,000 32,449,303
2018 126,811,000 31,897,584
2017 126,972,000 31,324,637
2016 127,076,000 30,866,494
2015 127,141,000 30,457,600
2014 127,276,000 30,115,826
2013 127,445,000 29,817,919
2012 127,629,000 29,550,366
2011 127,833,000 29,304,086
2010 128,070,000 29,086,019
2009 128,047,000 28,896,811
2008 128,063,000 28,719,041
2007 128,001,000 28,530,699
2006 127,854,000 28,324,491
2005 127,773,000 28,101,180
2004 127,761,000 27,852,190
2003 127,718,000 27,580,490
2002 127,445,000 27,288,217
2001 127,149,000 26,964,601
2000 126,843,000 26,598,331
1999 126,631,000 26,186,504
1998 126,400,000 25,738,095
1997 126,057,000 25,274,147
1996 125,757,000 24,811,171
1995 125,472,000 24,348,919
1994 125,178,000 23,881,493
1993 124,829,000 23,413,783
1992 124,425,000 22,946,340
1991 123,964,000 22,483,775
1990 123,478,000 22,014,771
1989 123,069,000 21,532,589
1988 122,578,000 21,054,702
1987 122,069,000 20,582,320
1986 121,482,000 20,117,122
1985 120,837,000 19,648,204
1984 120,083,000 19,174,716
1983 119,307,000 18,705,957
1982 118,480,000 18,246,503
1981 117,661,000 17,798,805
1980 116,807,000 17,360,949
1979 115,890,000 16,933,139
1978 114,913,000 16,516,059
1977 113,872,000 16,109,806
1976 112,775,000 15,716,809
1975 111,573,000 15,333,957
1974 110,162,000 14,956,552
1973 108,707,000 14,582,867
1972 107,188,000 14,210,147
1971 105,697,000 13,838,067
1970 103,403,000 13,501,237
1969 102,219,000 13,166,767
1968 101,011,000 12,803,993
1967 99,879,000 12,448,814
1966 98,851,000 12,101,297
1965 97,952,000 11,761,085
1964 96,903,000 11,427,978
1963 95,900,000 11,102,099
1962 94,933,000 10,784,612
1961 94,055,000 10,475,123
1960 93,216,000 10,174,127

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/japan/peru | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Peru gained 2,542,003 people (a 8.97% growth).

For the next 10 years, from 2016 to 2026, Japan lost 4,398,750 people (a 3.46% decline), while Peru's population increased by 4,165,102 people (a 13.5% growth).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Peru was ranked 40th in 2006 and ranked 48th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Japan's population will shrink by 14.1% to 105,377,283 people with a rank change from 12th to 17th. The population of Peru will increase by 16.3% to 40,733,304 people and rank change from 48th to 51st.

Peru is projected to reach its peak in 2067 at 41.9M 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
Peru
Factual

Projection
1x
Year Growth rate
Japan Peru
2100 -0.5% -0.43%
2099 -0.49% -0.42%
2098 -0.48% -0.42%
2097 -0.48% -0.41%
2096 -0.48% -0.4%
2095 -0.47% -0.39%
2094 -0.47% -0.39%
2093 -0.47% -0.38%
2092 -0.47% -0.37%
2091 -0.47% -0.36%
2090 -0.47% -0.35%
2089 -0.47% -0.35%
2088 -0.47% -0.33%
2087 -0.48% -0.32%
2086 -0.49% -0.31%
2085 -0.5% -0.3%
2084 -0.5% -0.28%
2083 -0.52% -0.27%
2082 -0.53% -0.26%
2081 -0.55% -0.24%
2080 -0.57% -0.23%
2079 -0.59% -0.21%
2078 -0.62% -0.2%
2077 -0.64% -0.18%
2076 -0.67% -0.16%
2075 -0.69% -0.15%
2074 -0.73% -0.13%
2073 -0.74% -0.11%
2072 -0.76% -0.09%
2071 -0.79% -0.07%
2070 -0.79% -0.05%
2069 -0.8% -0.03%
2068 -0.8% -0.01%
2067 -0.81% 0.006%
2066 -0.81% 0.03%
2065 -0.79% 0.04%
2064 -0.79% 0.07%
2063 -0.78% 0.09%
2062 -0.77% 0.11%
2061 -0.76% 0.13%
2060 -0.75% 0.15%
2059 -0.73% 0.17%
2058 -0.71% 0.19%
2057 -0.7% 0.21%
2056 -0.68% 0.23%
2055 -0.68% 0.25%
2054 -0.65% 0.28%
2053 -0.65% 0.29%
2052 -0.64% 0.32%
2051 -0.64% 0.34%
2050 -0.64% 0.36%
2049 -0.64% 0.38%
2048 -0.64% 0.4%
2047 -0.64% 0.43%
2046 -0.65% 0.45%
2045 -0.65% 0.48%
2044 -0.65% 0.5%
2043 -0.65% 0.52%
2042 -0.66% 0.55%
2041 -0.65% 0.57%
2040 -0.65% 0.59%
2039 -0.65% 0.62%
2038 -0.65% 0.64%
2037 -0.65% 0.67%
2036 -0.65% 0.7%
2035 -0.64% 0.72%
2034 -0.63% 0.75%
2033 -0.63% 0.77%
2032 -0.62% 0.8%
2031 -0.61% 0.83%
2030 -0.6% 0.86%
2029 -0.59% 0.9%
2028 -0.58% 0.93%
2027 -0.56% 0.98%
2026 -0.54% 1.02%
2025 -0.51% 1.08%
2024 -0.43% 1.1%
2023 -0.49% 1.11%
2022 -0.44% 0.96%
2021 -0.46% 0.97%
2020 -0.29% 1.2%
2019 -0.14% 1.73%
2018 -0.13% 1.83%
2017 -0.08% 1.48%
2016 -0.05% 1.34%
2015 -0.11% 1.13%
2014 -0.13% 1%
2013 -0.14% 0.91%
2012 -0.16% 0.84%
2011 -0.19% 0.75%
2010 0.02% 0.65%
2009 -0.01% 0.62%
2008 0.05% 0.66%
2007 0.11% 0.73%
2006 0.06% 0.79%
2005 0.009% 0.89%
2004 0.03% 0.99%
2003 0.21% 1.07%
2002 0.23% 1.2%
2001 0.24% 1.38%
2000 0.17% 1.57%
1999 0.18% 1.74%
1998 0.27% 1.84%
1997 0.24% 1.87%
1996 0.23% 1.9%
1995 0.23% 1.96%
1994 0.28% 2%
1993 0.32% 2.04%
1992 0.37% 2.06%
1991 0.39% 2.13%
1990 0.33% 2.24%
1989 0.4% 2.27%
1988 0.42% 2.3%
1987 0.48% 2.31%
1986 0.53% 2.39%
1985 0.63% 2.47%
1984 0.65% 2.51%
1983 0.7% 2.52%
1982 0.7% 2.52%
1981 0.73% 2.52%
1980 0.79% 2.53%
1979 0.85% 2.53%
1978 0.91% 2.52%
1977 0.97% 2.5%
1976 1.08% 2.5%
1975 1.28% 2.52%
1974 1.34% 2.56%
1973 1.42% 2.62%
1972 1.41% 2.69%
1971 2.22% 2.49%
1970 1.16% 2.54%
1969 1.2% 2.83%
1968 1.13% 2.85%
1967 1.04% 2.87%
1966 0.92% 2.89%
1965 1.08% 2.91%
1964 1.05% 2.94%
1963 1.02% 2.94%
1962 0.93% 2.95%
1961 0.9% 2.96%

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/japan/peru | CC BY

In 2024, the population of Japan declined by 0.43%, while Peru's population grew by 1.1%.

Live population counters

Japan Peru
Current population
122677250
35031596
Population rank 12/197 48/197
Percent of world population 1.48% 0.42%
One net population change
58.3 seconds
1.41 minutes
One birth every
42.2 seconds
58.4 seconds
One death every
19.5 seconds
2.83 minutes
Daily growth/decline -1,483 +1,020
Annual growth/decline -541,279 +372,231
Annual growth/decline rate -0.43% +1.1%
Population growth rate rank 185/197 95/197
One migration net change every
3.75 minutes
44.2 minutes
Annual migration change +140,579 +11,931
Net migration rank 10/196 41/196
Foreign-born residents 3,409,529 1,837,219
Foreign-born residents rank 19/195 39/195
Foreign-born share of population 2.8% 5.4%
Foreign-born share rank 120/195 90/195

Natural population change vs migration

Japan
Natural

Migration
Peru
Natural

Migration
1x
Year Population change
Japan Peru
Natural Migration Natural Migration
2025 - 140,579 - 11,931
2024 - 153,357 - 18,406
2023 -871,617 175,003 353,788 24,783
2022 -825,825 175,003 327,859 33,982
2021 -640,976 -34,996 235,440 41,868
2020 -542,923 42,001 301,950 55,375
2019 -531,858 318,190 346,981 74,270
2018 -456,520 320,601 343,123 339,067
2017 -406,310 322,564 349,333 114,382
2016 -343,106 314,732 355,859 96,740
2015 -292,424 168,896 362,781 2,421
2014 -267,279 58,109 368,708 -50,383
2013 -242,146 66,449 372,694 -95,214
2012 -229,733 67,904 376,501 -118,863
2011 -204,533 97,720 383,268 -148,339
2010 -128,070 131,860 382,510 -181,302
2009 -76,828 125,450 396,522 -219,314
2008 -51,225 142,605 413,640 -235,307
2007 -25,600 138,024 435,122 -236,745
2006 12,785 130,065 445,884 -231,851
2005 -25,554 113,017 454,199 -221,652
2004 76,656 69,014 459,617 -194,171
2003 114,946 74,875 459,243 -181,276
2002 178,423 60,864 463,709 -157,158
2001 203,438 59,563 470,154 -129,481
2000 228,317 23,468 484,222 -92,353
1999 202,610 56,901 487,095 -55,325
1998 265,440 45,912 489,436 -24,388
1997 277,325 43,366 495,348 -32,515
1996 314,392 25,030 501,855 -38,749
1995 276,039 87,714 507,894 -46,499
1994 363,017 154,214 512,735 -39,299
1993 312,073 168,836 513,769 -51,775
1992 360,833 170,878 514,618 -41,702
1991 396,685 161,331 513,867 -61,645
1990 407,478 124,582 515,233 -29,437
1989 467,662 31,202 512,152 -33,569
1988 527,085 51,154 508,429 -31,238
1987 598,138 28,001 502,229 -34,651
1986 631,706 27,987 496,712 -33,891
1985 676,687 -141,323 488,887 -13,887
1984 756,523 -273,686 477,968 -6,007
1983 775,495 -269,755 469,781 -4,243
1982 805,664 -288,550 461,107 -7,748
1981 811,861 -278,525 453,158 -11,123
1980 864,372 -92,314 445,100 -11,446
1979 950,298 -57,692 439,110 -17,148
1978 1,011,234 -47,996 432,127 -19,939
1977 1,070,397 -49,082 425,428 -25,117
1976 1,127,750 -34,976 420,284 -34,602
1975 1,204,989 107 414,400 -34,382
1974 1,332,960 -10,145 408,299 -33,493
1973 1,391,449 -34,674 400,752 -28,191
1972 1,372,006 -73,980 396,960 -24,100
1971 1,331,782 -107,778 391,506 -20,209
1970 1,230,496 33,731 318,022 -15,653
1969 1,195,962 49,447 379,347 -12,776
1968 1,191,930 43,593 372,379 -13,389
1967 1,258,475 29,632 365,224 -13,837
1966 682,072 68,934 356,819 -13,166
1965 1,126,448 -50,667 349,245 -12,470
1964 1,046,553 -100,696 341,570 -12,129
1963 987,770 -100,742 332,352 -10,040
1962 901,864 -57,075 321,716 -9,051
1961 893,522 -58,882 313,385 -7,063
1960 894,874 -150,371 302,924 -7,236

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

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

Over the last 10 years, 73.6% of the population change in Japan is from natural causes (a loss of 5,178,838 people) and 26.4% is from migration (a gain of 1,860,103 people). In Peru 82% is from natural causes (a gain of 3,345,822 people) and 18% is from migration (a gain of 732,505 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 1,837,219 people or 5.4% in Peru.

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
Peru
City Population
Lima 9.94M
Arequipa 1.01M
Trujillo 920K
Chiclayo 553K
Callao 537K
Piura 473K
Cusco 428K
Chimbote 395K
Huancayo 378K
Iquitos 378K

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/japan/peru | CC BY

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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. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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