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

Updated on by Georank

The latest officially reported population of Japan was 123,366,734 in 2025 vs 101,598,527 people in Vietnam in 2025. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,704,252 people compared to 102,486,146 in Vietnam.

Population statistics:

  • Japan's population is 1.2 times bigger than Vietnam's.
  • Japan is ranked the 12th most populous country in the world, while Vietnam is the 16th.
  • The countries together account for 2.71% of the world: 1.48% for Japan vs 1.23% for Vietnam.
  • For the last 10 years, Japan has had an average growth rate of -0.28% per year vs +0.94% in Vietnam.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.03% decline), while Vietnam has grown from 82.2M to 102M (24.7% growth).

Japan vs Vietnam: population by year and forecast

Japan
Factual

Projection
Vietnam
Factual

Projection
1x
Year Population
Japan Vietnam
2100 76,995,942 92,225,380
2099 77,380,486 92,721,469
2098 77,759,557 93,212,742
2097 78,135,569 93,688,693
2096 78,515,892 94,163,950
2095 78,892,606 94,626,063
2094 79,267,768 95,083,879
2093 79,645,584 95,543,293
2092 80,025,578 96,000,019
2091 80,401,222 96,459,165
2090 80,778,500 96,922,871
2089 81,158,413 97,384,434
2088 81,539,639 97,843,001
2087 81,926,401 98,308,755
2086 82,322,612 98,773,008
2085 82,727,738 99,233,927
2084 83,141,354 99,695,401
2083 83,562,394 100,162,677
2082 83,998,809 100,634,653
2081 84,447,888 101,104,469
2080 84,918,455 101,568,526
2079 85,406,042 102,030,723
2078 85,916,840 102,480,219
2077 86,453,316 102,928,253
2076 87,012,155 103,358,352
2075 87,597,053 103,783,177
2074 88,209,803 104,197,814
2073 88,854,316 104,606,950
2072 89,519,055 105,005,673
2071 90,204,314 105,384,777
2070 90,919,143 105,757,144
2069 91,645,589 106,110,195
2068 92,388,299 106,454,379
2067 93,133,993 106,794,625
2066 93,889,902 107,126,965
2065 94,654,259 107,442,675
2064 95,412,429 107,744,261
2063 96,169,244 108,038,461
2062 96,924,236 108,322,712
2061 97,675,525 108,590,617
2060 98,422,553 108,842,045
2059 99,166,038 109,087,333
2058 99,890,950 109,320,301
2057 100,607,740 109,529,799
2056 101,318,164 109,715,196
2055 102,012,184 109,886,647
2054 102,706,063 110,035,740
2053 103,381,833 110,156,643
2052 104,059,800 110,253,026
2051 104,729,745 110,321,289
2050 105,400,477 110,344,733
2049 106,076,354 110,339,565
2048 106,754,699 110,296,602
2047 107,442,881 110,211,618
2046 108,139,155 110,090,837
2045 108,844,934 109,926,260
2044 109,553,441 109,731,512
2043 110,269,851 109,497,595
2042 110,992,599 109,225,525
2041 111,729,216 108,919,674
2040 112,463,507 108,594,542
2039 113,200,859 108,237,715
2038 113,940,856 107,861,117
2037 114,687,611 107,463,482
2036 115,436,359 107,058,359
2035 116,187,949 106,630,705
2034 116,936,734 106,189,495
2033 117,678,572 105,745,684
2032 118,419,247 105,283,013
2031 119,153,646 104,809,957
2030 119,882,512 104,314,150
2029 120,600,781 103,819,556
2028 121,314,239 103,300,347
2027 122,015,984 102,759,746
2026 122,704,252 102,197,177
2025 123,366,734 101,598,527
2024 123,975,371 100,987,686
2023 124,516,650 100,352,192
2022 125,124,989 99,680,655
2021 125,681,593 98,935,098
2020 126,261,000 98,079,191
2019 126,633,000 97,173,776
2018 126,811,000 96,237,319
2017 126,972,000 95,176,977
2016 127,076,000 94,000,117
2015 127,141,000 92,823,254
2014 127,276,000 91,679,578
2013 127,445,000 90,573,104
2012 127,629,000 89,510,356
2011 127,833,000 88,468,314
2010 128,070,000 87,455,152
2009 128,047,000 86,460,018
2008 128,063,000 85,175,788
2007 128,001,000 83,633,375
2006 127,854,000 82,167,897
2005 127,773,000 81,088,313
2004 127,761,000 80,338,971
2003 127,718,000 79,563,777
2002 127,445,000 78,772,224
2001 127,149,000 77,969,361
2000 126,843,000 77,154,011
1999 126,631,000 76,287,452
1998 126,400,000 75,299,660
1997 126,057,000 74,226,889
1996 125,757,000 73,156,447
1995 125,472,000 72,049,940
1994 125,178,000 70,854,391
1993 124,829,000 69,586,384
1992 124,425,000 68,260,337
1991 123,964,000 66,891,775
1990 123,478,000 65,504,552
1989 123,069,000 64,147,348
1988 122,578,000 62,843,228
1987 122,069,000 61,584,651
1986 121,482,000 60,347,048
1985 120,837,000 59,060,622
1984 120,083,000 57,706,067
1983 119,307,000 56,337,921
1982 118,480,000 55,011,289
1981 117,661,000 53,738,141
1980 116,807,000 52,490,101
1979 115,890,000 51,378,211
1978 114,913,000 50,249,552
1977 113,872,000 48,954,872
1976 112,775,000 47,684,931
1975 111,573,000 46,482,903
1974 110,162,000 45,413,537
1973 108,707,000 44,409,861
1972 107,188,000 43,429,168
1971 105,697,000 42,449,276
1970 103,403,000 41,475,230
1969 102,219,000 40,582,096
1968 101,011,000 39,734,609
1967 99,879,000 38,895,080
1966 98,851,000 38,024,836
1965 97,952,000 37,129,656
1964 96,903,000 36,201,563
1963 95,900,000 35,249,101
1962 94,933,000 34,288,560
1961 94,055,000 33,409,059
1960 93,216,000 32,531,933

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/vietnam | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Vietnam gained 11,832,220 people (a 14.4% growth).

For the next 10 years, from 2016 to 2026, Japan lost 4,371,748 people (a 3.44% decline), while Vietnam's population increased by 8,486,029 people (a 9.03% growth).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Vietnam was ranked 15th in 2006 and ranked 16th 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 Vietnam will increase by 7.67% to 110,344,733 people and will still be ranked 16th.

Vietnam is projected to reach its peak in 2050 at 110M 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
Vietnam
Factual

Projection
1x
Year Growth rate
Japan Vietnam
2100 -0.5% -0.54%
2099 -0.49% -0.53%
2098 -0.48% -0.51%
2097 -0.48% -0.5%
2096 -0.48% -0.49%
2095 -0.47% -0.48%
2094 -0.47% -0.48%
2093 -0.47% -0.48%
2092 -0.47% -0.48%
2091 -0.47% -0.48%
2090 -0.47% -0.47%
2089 -0.47% -0.47%
2088 -0.47% -0.47%
2087 -0.48% -0.47%
2086 -0.49% -0.46%
2085 -0.5% -0.46%
2084 -0.5% -0.47%
2083 -0.52% -0.47%
2082 -0.53% -0.46%
2081 -0.55% -0.46%
2080 -0.57% -0.45%
2079 -0.59% -0.44%
2078 -0.62% -0.44%
2077 -0.64% -0.42%
2076 -0.67% -0.41%
2075 -0.69% -0.4%
2074 -0.73% -0.39%
2073 -0.74% -0.38%
2072 -0.76% -0.36%
2071 -0.79% -0.35%
2070 -0.79% -0.33%
2069 -0.8% -0.32%
2068 -0.8% -0.32%
2067 -0.81% -0.31%
2066 -0.81% -0.29%
2065 -0.79% -0.28%
2064 -0.79% -0.27%
2063 -0.78% -0.26%
2062 -0.77% -0.25%
2061 -0.76% -0.23%
2060 -0.75% -0.22%
2059 -0.73% -0.21%
2058 -0.71% -0.19%
2057 -0.7% -0.17%
2056 -0.68% -0.16%
2055 -0.68% -0.14%
2054 -0.65% -0.11%
2053 -0.65% -0.09%
2052 -0.64% -0.06%
2051 -0.64% -0.02%
2050 -0.64% 0.005%
2049 -0.64% 0.04%
2048 -0.64% 0.08%
2047 -0.64% 0.11%
2046 -0.65% 0.15%
2045 -0.65% 0.18%
2044 -0.65% 0.21%
2043 -0.65% 0.25%
2042 -0.66% 0.28%
2041 -0.65% 0.3%
2040 -0.65% 0.33%
2039 -0.65% 0.35%
2038 -0.65% 0.37%
2037 -0.65% 0.38%
2036 -0.65% 0.4%
2035 -0.64% 0.42%
2034 -0.63% 0.42%
2033 -0.63% 0.44%
2032 -0.62% 0.45%
2031 -0.61% 0.48%
2030 -0.6% 0.48%
2029 -0.59% 0.5%
2028 -0.58% 0.53%
2027 -0.56% 0.55%
2026 -0.54% 0.59%
2025 -0.49% 0.6%
2024 -0.43% 0.63%
2023 -0.49% 0.67%
2022 -0.44% 0.75%
2021 -0.46% 0.87%
2020 -0.29% 0.93%
2019 -0.14% 0.97%
2018 -0.13% 1.11%
2017 -0.08% 1.25%
2016 -0.05% 1.27%
2015 -0.11% 1.25%
2014 -0.13% 1.22%
2013 -0.14% 1.19%
2012 -0.16% 1.18%
2011 -0.19% 1.16%
2010 0.02% 1.15%
2009 -0.01% 1.51%
2008 0.05% 1.84%
2007 0.11% 1.78%
2006 0.06% 1.33%
2005 0.009% 0.93%
2004 0.03% 0.97%
2003 0.21% 1%
2002 0.23% 1.03%
2001 0.24% 1.06%
2000 0.17% 1.14%
1999 0.18% 1.31%
1998 0.27% 1.45%
1997 0.24% 1.46%
1996 0.23% 1.54%
1995 0.23% 1.69%
1994 0.28% 1.82%
1993 0.32% 1.94%
1992 0.37% 2.05%
1991 0.39% 2.12%
1990 0.33% 2.12%
1989 0.4% 2.08%
1988 0.42% 2.04%
1987 0.48% 2.05%
1986 0.53% 2.18%
1985 0.63% 2.35%
1984 0.65% 2.43%
1983 0.7% 2.41%
1982 0.7% 2.37%
1981 0.73% 2.38%
1980 0.79% 2.16%
1979 0.85% 2.25%
1978 0.91% 2.64%
1977 0.97% 2.66%
1976 1.08% 2.59%
1975 1.28% 2.35%
1974 1.34% 2.26%
1973 1.42% 2.26%
1972 1.41% 2.31%
1971 2.22% 2.35%
1970 1.16% 2.2%
1969 1.2% 2.13%
1968 1.13% 2.16%
1967 1.04% 2.29%
1966 0.92% 2.41%
1965 1.08% 2.56%
1964 1.05% 2.7%
1963 1.02% 2.8%
1962 0.93% 2.63%
1961 0.9% 2.7%

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/vietnam | CC BY

In 2025, the population of Japan declined by 0.49%, while Vietnam's population grew by 0.6%.

Live population counters

Japan Vietnam
Current population
122704252
102486146
Population rank 12/197 16/197
Percent of world population 1.48% 1.23%
One net population change
52 seconds
51.8 seconds
One birth every
44.6 seconds
23.3 seconds
One death every
19.1 seconds
47 seconds
Daily growth/decline -1,667 +1,674
Annual growth/decline -608,637 +610,841
Annual growth/decline rate -0.49% +0.6%
Population growth rate rank 183/197 122/197
One migration net change every
3.75 minutes
10.9 minutes
Annual migration change +140,579 -48,171
Net migration rank 10/196 174/196
Foreign-born residents 3,409,529 326,418
Foreign-born residents rank 19/195 95/195
Foreign-born share of population 2.8% 0.3%
Foreign-born share rank 120/195 185/195

Natural population change vs migration

Japan
Natural

Migration
Vietnam
Natural

Migration
1x
Year Population change
Japan Vietnam
Natural Migration Natural Migration
2025 - 140,579 - -48,171
2024 -942,213 153,357 684,393 -59,645
2023 -871,617 175,003 727,955 -81,789
2022 -825,825 175,003 775,914 -78,977
2021 -640,976 -34,996 799,593 -5,418
2020 -542,923 42,001 924,004 -6,457
2019 -531,858 318,190 895,262 -2,051
2018 -456,520 320,601 882,977 96,650
2017 -406,310 322,564 1,001,833 139,245
2016 -343,106 314,732 1,045,094 167,652
2015 -292,424 168,896 1,145,903 -4,888
2014 -267,279 58,109 1,151,221 -4,894
2013 -242,146 66,449 1,071,570 -4,979
2012 -229,733 67,904 1,063,741 -4,851
2011 -204,533 97,720 1,029,859 -4,602
2010 -128,070 131,860 1,005,559 -4,443
2009 -76,828 125,450 1,007,778 -18,560
2008 -51,225 142,605 1,008,141 571,113
2007 -25,600 138,024 981,689 523,784
2006 12,785 130,065 943,041 482,399
2005 -25,554 113,017 942,084 -208,337
2004 76,656 69,014 985,438 -220,458
2003 114,946 74,875 1,001,470 -216,062
2002 178,423 60,864 991,427 -193,766
2001 203,438 59,563 985,610 -177,586
2000 228,317 23,468 966,894 -144,298
1999 202,610 56,901 925,519 -15,010
1998 265,440 45,912 959,016 106,091
1997 277,325 43,366 1,028,116 52,382
1996 314,392 25,030 1,108,686 -48,235
1995 276,039 87,714 1,203,666 -51,147
1994 363,017 154,214 1,291,534 -53,012
1993 312,073 168,836 1,370,365 -72,931
1992 360,833 170,878 1,419,952 -65,285
1991 396,685 161,331 1,459,311 -76,829
1990 407,478 124,582 1,449,157 -57,221
1989 467,662 31,202 1,423,622 -101,113
1988 527,085 51,154 1,370,108 -84,361
1987 598,138 28,001 1,359,481 -128,095
1986 631,706 27,987 1,407,957 -164,183
1985 676,687 -141,323 1,453,954 -124,910
1984 756,523 -273,686 1,477,448 -97,339
1983 775,495 -269,755 1,453,913 -97,706
1982 805,664 -288,550 1,407,959 -110,901
1981 811,861 -278,525 1,358,500 -109,259
1980 864,372 -92,314 1,321,595 -74,791
1979 950,298 -57,692 1,314,563 -337,597
1978 1,011,234 -47,996 1,286,991 -6,592
1977 1,070,397 -49,082 1,259,315 49,655
1976 1,127,750 -34,976 1,232,608 -1,733
1975 1,204,989 107 1,175,181 -2,010
1974 1,332,960 -10,145 1,000,505 -34,940
1973 1,391,449 -34,674 1,061,707 -19,937
1972 1,372,006 -73,980 921,524 -1,920
1971 1,331,782 -107,778 963,259 76,961
1970 1,230,496 33,731 905,902 1,997
1969 1,195,962 49,447 878,359 0
1968 1,191,930 43,593 815,116 1,489
1967 1,258,475 29,632 862,071 394
1966 682,072 68,934 876,283 1,769
1965 1,126,448 -50,667 913,761 -1,438
1964 1,046,553 -100,696 950,219 -6,328
1963 987,770 -100,742 961,067 0
1962 901,864 -57,075 960,046 0
1961 893,522 -58,882 798,978 0
1960 894,874 -150,371 955,268 0

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

GeoRank.org/population/japan/vietnam | 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 Vietnam 98.2% is from natural causes (a gain of 8,882,928 people) and 1.82% is from migration (a gain of 164,322 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 326,418 people or 0.3% in Vietnam.

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
Vietnam
City Population
Ho Chi Minh 14M
Hanoi 8.72M
Can Tho 3.21M
Da Nang 2.82M
Haiphong 2.12M
Bien Hoa 1.1M
Hue 653K
Bac Ninh 520K
Hai Duong 507K
Vinh 490K

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/vietnam | 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. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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