The latest officially reported population of Iceland was 404,610 in 2024 vs 123,975,371 people in Japan in 2024. In 2025, based on the adjusted UN estimation, the current Iceland's population is 412,970 people compared to 123,324,642 in Japan.
Population statistics:
- Japan's population is 298.6 times bigger than Iceland's.
- Iceland is ranked the 172nd most populous country in the world, while Japan is the 12th.
- The countries together account for 1.5% of the world: 0.005% for Iceland vs 1.49% for Japan.
- For the last 10 years, Iceland has had an average growth rate of +2.05% per year vs -0.25% in Japan.
- Since 2005, the population of Iceland has increased from 297K people to 413K (39.2% growth), while Japan has declined from 128M to 123M (3.48% decline).
- Iceland is projected to reach its peak in 2049 at 445K people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.
Iceland vs Japan: live population counter
Iceland
|
Japan
|
|
|---|---|---|
| Current population |
412970
|
123324642
|
| Population rank | 172/197 | 12/197 |
| Percent of world population | 0.005% | 1.49% |
| One net population change |
46.7 minutes
|
58.3 seconds
|
| One birth every |
2.02 hours
|
42.2 seconds
|
| One death every |
3.37 hours
|
19.5 seconds
|
| One migration net change every |
2.47 hours
|
3.43 minutes
|
| Annual migration change | +3,543 | +153,357 |
| Daily growth/decline | +31 | -1,483 |
| Annual growth/decline | +11,261 | -541,279 |
| Annual growth/decline rate | +2.86% | -0.43% |
| Population growth rate rank | 21/197 | 182/197 |
Iceland and Japan: population history and growth rate by year chart
Iceland
Population
Growth rate
Japan
Population
Growth rate
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Iceland
|
Japan
|
Iceland
|
Japan
|
|
| 1960 | 175,574 | 93,216,000 | - | - |
| 1961 | 179,029 | 94,055,000 | 1.97% | 0.9% |
| 1962 | 182,378 | 94,933,000 | 1.87% | 0.93% |
| 1963 | 185,653 | 95,900,000 | 1.8% | 1.02% |
| 1964 | 188,983 | 96,903,000 | 1.79% | 1.05% |
| 1965 | 192,286 | 97,952,000 | 1.75% | 1.08% |
| 1966 | 195,570 | 98,851,000 | 1.71% | 0.92% |
| 1967 | 198,751 | 99,879,000 | 1.63% | 1.04% |
| 1968 | 201,488 | 101,011,000 | 1.38% | 1.13% |
| 1969 | 203,369 | 102,219,000 | 0.93% | 1.2% |
| 1970 | 204,438 | 103,403,000 | 0.53% | 1.16% |
| 1971 | 206,098 | 105,697,000 | 0.81% | 2.22% |
| 1972 | 209,137 | 107,188,000 | 1.47% | 1.41% |
| 1973 | 212,317 | 108,707,000 | 1.52% | 1.42% |
| 1974 | 215,209 | 110,162,000 | 1.36% | 1.34% |
| 1975 | 217,979 | 111,573,000 | 1.29% | 1.28% |
| 1976 | 220,154 | 112,775,000 | 1% | 1.08% |
| 1977 | 221,799 | 113,872,000 | 0.75% | 0.97% |
| 1978 | 223,537 | 114,913,000 | 0.78% | 0.91% |
| 1979 | 225,735 | 115,890,000 | 0.98% | 0.85% |
| 1980 | 228,138 | 116,807,000 | 1.06% | 0.79% |
| 1981 | 230,755 | 117,661,000 | 1.15% | 0.73% |
| 1982 | 233,860 | 118,480,000 | 1.35% | 0.7% |
| 1983 | 236,977 | 119,307,000 | 1.33% | 0.7% |
| 1984 | 239,511 | 120,083,000 | 1.07% | 0.65% |
| 1985 | 241,405 | 120,837,000 | 0.79% | 0.63% |
| 1986 | 243,180 | 121,482,000 | 0.74% | 0.53% |
| 1987 | 245,859 | 122,069,000 | 1.1% | 0.48% |
| 1988 | 249,740 | 122,578,000 | 1.58% | 0.42% |
| 1989 | 252,852 | 123,069,000 | 1.25% | 0.4% |
| 1990 | 254,826 | 123,478,000 | 0.78% | 0.33% |
| 1991 | 257,797 | 123,964,000 | 1.17% | 0.39% |
| 1992 | 261,057 | 124,425,000 | 1.26% | 0.37% |
| 1993 | 263,725 | 124,829,000 | 1.02% | 0.32% |
| 1994 | 266,021 | 125,178,000 | 0.87% | 0.28% |
| 1995 | 267,468 | 125,472,000 | 0.54% | 0.23% |
| 1996 | 268,916 | 125,757,000 | 0.54% | 0.23% |
| 1997 | 271,128 | 126,057,000 | 0.82% | 0.24% |
| 1998 | 274,047 | 126,400,000 | 1.08% | 0.27% |
| 1999 | 277,381 | 126,631,000 | 1.22% | 0.18% |
| 2000 | 281,205 | 126,843,000 | 1.38% | 0.17% |
| 2001 | 284,968 | 127,149,000 | 1.34% | 0.24% |
| 2002 | 287,523 | 127,445,000 | 0.9% | 0.23% |
| 2003 | 289,521 | 127,718,000 | 0.69% | 0.21% |
| 2004 | 292,074 | 127,761,000 | 0.88% | 0.03% |
| 2005 | 296,734 | 127,773,000 | 1.6% | 0.009% |
| 2006 | 303,782 | 127,854,000 | 2.38% | 0.06% |
| 2007 | 311,566 | 128,001,000 | 2.56% | 0.11% |
| 2008 | 317,414 | 128,063,000 | 1.88% | 0.05% |
| 2009 | 318,499 | 128,047,000 | 0.34% | -0.01% |
| 2010 | 318,041 | 128,070,000 | -0.14% | 0.02% |
| 2011 | 319,014 | 127,833,000 | 0.31% | -0.19% |
| 2012 | 320,716 | 127,629,000 | 0.53% | -0.16% |
| 2013 | 323,764 | 127,445,000 | 0.95% | -0.14% |
| 2014 | 327,386 | 127,276,000 | 1.12% | -0.13% |
| 2015 | 330,815 | 127,141,000 | 1.05% | -0.11% |
| 2016 | 335,439 | 127,076,000 | 1.4% | -0.05% |
| 2017 | 343,400 | 126,972,000 | 2.37% | -0.08% |
| 2018 | 352,721 | 126,811,000 | 2.71% | -0.13% |
| 2019 | 360,563 | 126,633,000 | 2.22% | -0.14% |
| 2020 | 366,463 | 126,261,000 | 1.64% | -0.29% |
| 2021 | 372,520 | 125,681,593 | 1.65% | -0.46% |
| 2022 | 382,003 | 125,124,989 | 2.55% | -0.44% |
| 2023 | 393,349 | 124,516,650 | 2.97% | -0.49% |
| 2024 | 404,610 | 123,975,371 | 2.86% | -0.43% |
| 2025 | 409,614 | 123,324,642 | 1.24% | -0.52% |
| 2026 | 413,792 | 122,647,678 | 1.02% | -0.55% |
| 2027 | 417,406 | 121,951,038 | 0.87% | -0.57% |
| 2028 | 420,691 | 121,241,776 | 0.79% | -0.58% |
| 2029 | 423,592 | 120,524,230 | 0.69% | -0.59% |
| 2030 | 426,158 | 119,798,959 | 0.61% | -0.6% |
| 2031 | 428,479 | 119,065,610 | 0.54% | -0.61% |
| 2032 | 430,544 | 118,326,333 | 0.48% | -0.62% |
| 2033 | 432,406 | 117,583,337 | 0.43% | -0.63% |
| 2034 | 434,083 | 116,836,274 | 0.39% | -0.64% |
| 2035 | 435,646 | 116,084,328 | 0.36% | -0.64% |
| 2036 | 437,132 | 115,332,395 | 0.34% | -0.65% |
| 2037 | 438,466 | 114,582,890 | 0.31% | -0.65% |
| 2038 | 439,670 | 113,837,760 | 0.27% | -0.65% |
| 2039 | 440,754 | 113,097,352 | 0.25% | -0.65% |
| 2040 | 441,687 | 112,359,802 | 0.21% | -0.65% |
| 2041 | 442,487 | 111,622,622 | 0.18% | -0.66% |
| 2042 | 443,200 | 110,891,223 | 0.16% | -0.66% |
| 2043 | 443,884 | 110,169,955 | 0.15% | -0.65% |
| 2044 | 444,457 | 109,455,823 | 0.13% | -0.65% |
| 2045 | 444,812 | 108,747,012 | 0.08% | -0.65% |
| 2046 | 445,028 | 108,044,346 | 0.05% | -0.65% |
| 2047 | 445,183 | 107,350,486 | 0.03% | -0.64% |
| 2048 | 445,283 | 106,665,616 | 0.02% | -0.64% |
| 2049 | 445,335 | 105,986,908 | 0.01% | -0.64% |
| 2050 | 445,330 | 105,312,022 | -0.001% | -0.64% |
From 2005 to 2015, the population of Iceland increased by 34,081 people (a 11.5% growth), while Japan lost 632,000 people (a 0.49% decline).
For the next 10 years, from 2015 to 2025, Iceland gained 82,155 (a 24.8% growth), while Japan's population decreased by -3,816,358 (a 3% decline).
Iceland was ranked 172nd most populous country in 2005 and is still 172nd 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) Iceland's population will grow by 7.84% to 445,330 people with a rank change from 172nd to 173rd. 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
Compare countries by 7 more topics
Population differences between Iceland and Japan
|
Iceland
|
Japan
|
|
|---|---|---|
| Life expectancy | 83.2 years | 85 years |
| Average age | 38.8 years | 48.3 years |
| Median age | 37.1 years | 50.4 years |
| Male:Female ratio | 51.2:48.8 | 48.8:51.2 |
| Fertility rate | 1.59 births per woman | 1.2 births per woman |
| Population density | 10.4 ppl/mi² | 881 ppl/mi² |
Population map with other countries
Population
Growth rate visualization in other countries
Growth rate
Relevant pages:
By topic
vs
comparisons:
Population comparisons
