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

Updated on by Georank

The latest officially reported population of Japan was 123,366,734 in 2025 vs 10,804,871 people in Portugal in 2025. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,704,252 people compared to 10,788,071 in Portugal.

Population statistics:

  • Japan's population is 11.4 times bigger than Portugal's.
  • Japan is ranked the 12th most populous country in the world, while Portugal is the 91st.
  • The countries together account for 1.61% of the world: 1.48% for Japan vs 0.13% for Portugal.
  • For the last 10 years, Japan has had an average growth rate of -0.28% per year vs +0.35% in Portugal.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.03% decline), while Portugal has grown from 10.5M to 10.8M (2.53% growth).

Japan vs Portugal: population by year and forecast

Japan
Factual

Projection
Portugal
Factual

Projection
1x
Year Population
Japan Portugal
2100 76,995,942 9,079,610
2099 77,380,486 9,084,930
2098 77,759,557 9,089,064
2097 78,135,569 9,094,546
2096 78,515,892 9,100,755
2095 78,892,606 9,108,548
2094 79,267,768 9,113,366
2093 79,645,584 9,118,286
2092 80,025,578 9,123,579
2091 80,401,222 9,127,714
2090 80,778,500 9,132,140
2089 81,158,413 9,136,870
2088 81,539,639 9,141,647
2087 81,926,401 9,147,996
2086 82,322,612 9,152,804
2085 82,727,738 9,158,263
2084 83,141,354 9,165,158
2083 83,562,394 9,171,574
2082 83,998,809 9,179,958
2081 84,447,888 9,190,466
2080 84,918,455 9,201,621
2079 85,406,042 9,214,398
2078 85,916,840 9,228,555
2077 86,453,316 9,243,708
2076 87,012,155 9,262,542
2075 87,597,053 9,282,392
2074 88,209,803 9,305,608
2073 88,854,316 9,330,117
2072 89,519,055 9,353,771
2071 90,204,314 9,380,991
2070 90,919,143 9,409,668
2069 91,645,589 9,440,299
2068 92,388,299 9,473,457
2067 93,133,993 9,506,001
2066 93,889,902 9,539,597
2065 94,654,259 9,574,237
2064 95,412,429 9,611,738
2063 96,169,244 9,649,045
2062 96,924,236 9,686,737
2061 97,675,525 9,723,601
2060 98,422,553 9,762,379
2059 99,166,038 9,801,072
2058 99,890,950 9,841,936
2057 100,607,740 9,880,092
2056 101,318,164 9,918,643
2055 102,012,184 9,958,971
2054 102,706,063 9,997,570
2053 103,381,833 10,037,385
2052 104,059,800 10,076,095
2051 104,729,745 10,112,788
2050 105,400,477 10,149,626
2049 106,076,354 10,187,172
2048 106,754,699 10,221,034
2047 107,442,881 10,255,340
2046 108,139,155 10,289,266
2045 108,844,934 10,321,807
2044 109,553,441 10,353,338
2043 110,269,851 10,384,554
2042 110,992,599 10,412,950
2041 111,729,216 10,440,054
2040 112,463,507 10,469,380
2039 113,200,859 10,497,556
2038 113,940,856 10,523,869
2037 114,687,611 10,548,445
2036 115,436,359 10,573,361
2035 116,187,949 10,597,352
2034 116,936,734 10,621,955
2033 117,678,572 10,645,024
2032 118,419,247 10,668,384
2031 119,153,646 10,689,372
2030 119,882,512 10,708,819
2029 120,600,781 10,729,893
2028 121,314,239 10,752,023
2027 122,015,984 10,770,712
2026 122,704,252 10,788,071
2025 123,366,734 10,804,871
2024 123,975,371 10,694,681
2023 124,516,650 10,578,174
2022 125,124,989 10,434,332
2021 125,681,593 10,361,831
2020 126,261,000 10,297,081
2019 126,633,000 10,286,263
2018 126,811,000 10,283,822
2017 126,972,000 10,300,300
2016 127,076,000 10,325,452
2015 127,141,000 10,358,076
2014 127,276,000 10,401,062
2013 127,445,000 10,457,295
2012 127,629,000 10,514,844
2011 127,833,000 10,557,560
2010 128,070,000 10,573,100
2009 128,047,000 10,568,247
2008 128,063,000 10,558,177
2007 128,001,000 10,542,964
2006 127,854,000 10,522,288
2005 127,773,000 10,503,330
2004 127,761,000 10,483,861
2003 127,718,000 10,458,821
2002 127,445,000 10,419,631
2001 127,149,000 10,362,722
2000 126,843,000 10,289,898
1999 126,631,000 10,217,828
1998 126,400,000 10,160,196
1997 126,057,000 10,108,977
1996 125,757,000 10,063,945
1995 125,472,000 10,026,176
1994 125,178,000 9,991,525
1993 124,829,000 9,964,675
1992 124,425,000 9,952,494
1991 123,964,000 9,960,235
1990 123,478,000 9,983,218
1989 123,069,000 10,005,000
1988 122,578,000 10,019,610
1987 122,069,000 10,030,031
1986 121,482,000 10,032,734
1985 120,837,000 10,023,613
1984 120,083,000 9,996,232
1983 119,307,000 9,957,865
1982 118,480,000 9,911,771
1981 117,661,000 9,851,362
1980 116,807,000 9,766,312
1979 115,890,000 9,661,265
1978 114,913,000 9,558,250
1977 113,872,000 9,455,675
1976 112,775,000 9,355,810
1975 111,573,000 9,093,470
1974 110,162,000 8,754,365
1973 108,707,000 8,633,100
1972 107,188,000 8,630,430
1971 105,697,000 8,643,756
1970 103,403,000 8,680,431
1969 102,219,000 8,757,705
1968 101,011,000 8,836,650
1967 99,879,000 8,874,520
1966 98,851,000 8,930,990
1965 97,952,000 8,998,595
1964 96,903,000 9,035,365
1963 95,900,000 9,030,355
1962 94,933,000 8,993,985
1961 94,055,000 8,929,316
1960 93,216,000 8,857,716

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/portugal | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Portugal lost 196,836 people (a 1.87% decline).

For the next 10 years, from 2016 to 2026, Japan lost 4,371,748 people (a 3.44% decline), while Portugal's population increased by 462,619 people (a 4.48% growth).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Portugal was ranked 78th in 2006 and ranked 91st 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 Portugal will decrease by 5.92% to 10,149,626 people and rank change from 91st to 97th.

Both countries are in a period of decline and in 50 years are projected to lose 29.1% of the population in Japan and 14.1% in Portugal.

Population growth rate by year

Japan
Factual

Projection
Portugal
Factual

Projection
1x
Year Growth rate
Japan Portugal
2100 -0.5% -0.06%
2099 -0.49% -0.05%
2098 -0.48% -0.06%
2097 -0.48% -0.07%
2096 -0.48% -0.09%
2095 -0.47% -0.05%
2094 -0.47% -0.05%
2093 -0.47% -0.06%
2092 -0.47% -0.05%
2091 -0.47% -0.05%
2090 -0.47% -0.05%
2089 -0.47% -0.05%
2088 -0.47% -0.07%
2087 -0.48% -0.05%
2086 -0.49% -0.06%
2085 -0.5% -0.08%
2084 -0.5% -0.07%
2083 -0.52% -0.09%
2082 -0.53% -0.11%
2081 -0.55% -0.12%
2080 -0.57% -0.14%
2079 -0.59% -0.15%
2078 -0.62% -0.16%
2077 -0.64% -0.2%
2076 -0.67% -0.21%
2075 -0.69% -0.25%
2074 -0.73% -0.26%
2073 -0.74% -0.25%
2072 -0.76% -0.29%
2071 -0.79% -0.3%
2070 -0.79% -0.32%
2069 -0.8% -0.35%
2068 -0.8% -0.34%
2067 -0.81% -0.35%
2066 -0.81% -0.36%
2065 -0.79% -0.39%
2064 -0.79% -0.39%
2063 -0.78% -0.39%
2062 -0.77% -0.38%
2061 -0.76% -0.4%
2060 -0.75% -0.39%
2059 -0.73% -0.42%
2058 -0.71% -0.39%
2057 -0.7% -0.39%
2056 -0.68% -0.4%
2055 -0.68% -0.39%
2054 -0.65% -0.4%
2053 -0.65% -0.38%
2052 -0.64% -0.36%
2051 -0.64% -0.36%
2050 -0.64% -0.37%
2049 -0.64% -0.33%
2048 -0.64% -0.33%
2047 -0.64% -0.33%
2046 -0.65% -0.32%
2045 -0.65% -0.3%
2044 -0.65% -0.3%
2043 -0.65% -0.27%
2042 -0.66% -0.26%
2041 -0.65% -0.28%
2040 -0.65% -0.27%
2039 -0.65% -0.25%
2038 -0.65% -0.23%
2037 -0.65% -0.24%
2036 -0.65% -0.23%
2035 -0.64% -0.23%
2034 -0.63% -0.22%
2033 -0.63% -0.22%
2032 -0.62% -0.2%
2031 -0.61% -0.18%
2030 -0.6% -0.2%
2029 -0.59% -0.21%
2028 -0.58% -0.17%
2027 -0.56% -0.16%
2026 -0.54% -0.16%
2025 -0.49% 1.03%
2024 -0.43% 1.1%
2023 -0.49% 1.38%
2022 -0.44% 0.7%
2021 -0.46% 0.63%
2020 -0.29% 0.11%
2019 -0.14% 0.02%
2018 -0.13% -0.16%
2017 -0.08% -0.24%
2016 -0.05% -0.31%
2015 -0.11% -0.41%
2014 -0.13% -0.54%
2013 -0.14% -0.55%
2012 -0.16% -0.4%
2011 -0.19% -0.15%
2010 0.02% 0.05%
2009 -0.01% 0.1%
2008 0.05% 0.14%
2007 0.11% 0.2%
2006 0.06% 0.18%
2005 0.009% 0.19%
2004 0.03% 0.24%
2003 0.21% 0.38%
2002 0.23% 0.55%
2001 0.24% 0.71%
2000 0.17% 0.71%
1999 0.18% 0.57%
1998 0.27% 0.51%
1997 0.24% 0.45%
1996 0.23% 0.38%
1995 0.23% 0.35%
1994 0.28% 0.27%
1993 0.32% 0.12%
1992 0.37% -0.08%
1991 0.39% -0.23%
1990 0.33% -0.22%
1989 0.4% -0.15%
1988 0.42% -0.1%
1987 0.48% -0.03%
1986 0.53% 0.09%
1985 0.63% 0.27%
1984 0.65% 0.39%
1983 0.7% 0.47%
1982 0.7% 0.61%
1981 0.73% 0.87%
1980 0.79% 1.09%
1979 0.85% 1.08%
1978 0.91% 1.08%
1977 0.97% 1.07%
1976 1.08% 2.88%
1975 1.28% 3.87%
1974 1.34% 1.4%
1973 1.42% 0.03%
1972 1.41% -0.15%
1971 2.22% -0.42%
1970 1.16% -0.88%
1969 1.2% -0.89%
1968 1.13% -0.43%
1967 1.04% -0.63%
1966 0.92% -0.75%
1965 1.08% -0.41%
1964 1.05% 0.06%
1963 1.02% 0.4%
1962 0.93% 0.72%
1961 0.9% 0.81%

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/portugal | CC BY

In 2025, the population of Japan declined by 0.49%, while Portugal's population grew by 1.03%.

Live population counters

Japan Portugal
Current population
122704252
10788071
Population rank 12/197 91/197
Percent of world population 1.48% 0.13%
One net population change
52 seconds
4.78 minutes
One birth every
44.6 seconds
6.22 minutes
One death every
19.1 seconds
4.43 minutes
Daily growth/decline -1,667 +302
Annual growth/decline -608,637 +110,190
Annual growth/decline rate -0.49% +1.03%
Population growth rate rank 183/197 99/197
One migration net change every
3.75 minutes
32 minutes
Annual migration change +140,579 +16,472
Net migration rank 10/196 38/196
Foreign-born residents 3,409,529 1,127,184
Foreign-born residents rank 19/195 56/195
Foreign-born share of population 2.8% 10.8%
Foreign-born share rank 120/195 61/195

Natural population change vs migration

Japan
Natural

Migration
Portugal
Natural

Migration
1x
Year Population change
Japan Portugal
Natural Migration Natural Migration
2025 - 140,579 - 16,472
2024 -942,213 153,357 -34,223 20,648
2023 -871,617 175,003 -32,792 29,102
2022 -825,825 175,003 -40,694 68,696
2021 -640,976 -34,996 -45,592 69,606
2020 -542,923 42,001 -39,129 54,076
2019 -531,858 318,190 -24,687 63,031
2018 -456,520 320,601 -25,709 22,495
2017 -406,310 322,564 -23,691 13,979
2016 -343,106 314,732 -23,749 -775
2015 -292,424 168,896 -23,823 -3,209
2014 -267,279 58,109 -22,882 -26,447
2013 -242,146 66,449 -24,052 -36,342
2012 -229,733 67,904 -17,875 -37,083
2011 -204,533 97,720 -5,279 -31,513
2010 -128,070 131,860 -4,230 -5,627
2009 -76,828 125,450 -5,284 14,532
2008 -51,225 142,605 0 9,478
2007 -25,600 138,024 -1,055 21,064
2006 12,785 130,065 3,156 16,754
2005 -25,554 113,017 2,101 15,537
2004 76,656 69,014 7,339 13,928
2003 114,946 74,875 4,184 24,740
2002 178,423 60,864 8,335 42,169
2001 203,438 59,563 8,290 55,565
2000 228,317 23,468 15,435 60,586
1999 202,610 56,901 8,175 49,572
1998 265,440 45,912 7,112 40,931
1997 277,325 43,366 8,087 36,922
1996 314,392 25,030 4,026 32,640
1995 276,039 87,714 4,011 26,971
1994 363,017 154,214 9,991 20,761
1993 312,073 168,836 7,972 8,561
1992 360,833 170,878 13,933 -11,847
1991 396,685 161,331 12,948 -37,914
1990 407,478 124,582 13,976 -34,855
1989 467,662 31,202 22,011 -30,615
1988 527,085 51,154 24,047 -26,595
1987 598,138 28,001 28,084 -23,142
1986 631,706 27,987 31,102 -20,000
1985 676,687 -141,323 33,077 -19,183
1984 756,523 -273,686 45,983 -16,658
1983 775,495 -269,755 47,798 -16,568
1982 805,664 -288,550 58,479 -15,006
1981 811,861 -278,525 56,152 -7,938
1980 864,372 -92,314 63,481 29,881
1979 950,298 -57,692 67,628 32,434
1978 1,011,234 -47,996 70,731 34,345
1977 1,070,397 -49,082 84,156 37,779
1976 1,127,750 -34,976 85,138 40,490
1975 1,204,989 107 81,841 42,262
1974 1,332,960 -10,145 74,412 41,254
1973 1,391,449 -34,674 76,835 39,748
1972 1,372,006 -73,980 83,715 39,058
1971 1,331,782 -107,778 82,980 48,944
1970 1,230,496 33,731 87,672 -191,862
1969 1,195,962 49,447 89,329 -161,114
1968 1,191,930 43,593 100,737 -145,200
1967 1,258,475 29,632 106,495 -136,232
1966 682,072 68,934 107,171 -129,233
1965 1,126,448 -50,667 115,182 -123,855
1964 1,046,553 -100,696 120,170 -118,763
1963 987,770 -100,742 113,783 -116,874
1962 901,864 -57,075 123,217 -113,947
1961 893,522 -58,882 117,867 -112,768
1960 894,874 -150,371 118,693 -95,886

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

GeoRank.org/population/japan/portugal | 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 Portugal 48.2% is from natural causes (a loss of 314,089 people) and 51.8% is from migration (a gain of 337,649 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 1,127,184 people or 10.8% in Portugal.

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
Portugal
City Population
Lisbon 546K
Sintra 386K
Vila Nova de Gaia 304K
Porto 232K
Cascais 214K
Loures 202K
Braga 193K
Almada 177K
Matosinhos 173K
Oeiras 172K

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/portugal | 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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