Japan has a population density of 881 people per square mile compared to 310 people in Sierra Leone. Japan has 32,817 sq ft of land per person vs 89,354 sq ft in Sierra Leone. In the list of countries ranked from the most to the least densely populated, Japan and Sierra Leone are ranked 28th and 77th, respectively.
Population density is calculated as the ratio of population to land area. Japan has 1.52% of the world's population and 0.24% of the land area of all countries, compared to 0.11% of the population and 0.05% of the land area for Sierra Leone, hence the population density in Japan is 184% higher than in Sierra Leone.
Population density comparison
Japan
|
Sierra Leone
|
|
|---|---|---|
| Population density | 881 ppl/mi² | 310 ppl/mi² |
| Population density rank | 28/197 | 77/197 |
| Population |
123324642
|
8961932
|
| Land area | 140,761 sq mi | 27,869 sq mi |
| Land area per capita | 31,653 sq ft | 89,902 sq ft |
| Rural population | 7.87% | 55.2% |
| Urban population | 92.1% | 44.8% |
| Living in agglomerations of 1M+ people | 28% | 0% |
Japan vs Sierra Leone:
Population density chart by year
From 2004 to 2024, population density in Japan decreased by 2.98%, compared to a 61.4% growth in Sierra Leone.
In 2004, Japan ranked 19th for population density and is in 28th place now. Sierra Leone was 95th in 2004 and ranks 77th out of 197 currently.
people per square mile
| Year | Population density | |
|---|---|---|
|
Japan
|
Sierra Leone
|
|
| 2024 | 881 | 310 |
| 2023 | 885 | 304 |
| 2022 | 889 | 297 |
| 2021 | 893 | 290.5 |
| 2020 | 897 | 283.9 |
| 2019 | 900 | 277.4 |
| 2018 | 901 | 271.1 |
| 2017 | 902 | 264.8 |
| 2016 | 903 | 258.5 |
| 2015 | 903 | 252.5 |
| 2014 | 904 | 246.7 |
| 2013 | 906 | 240.9 |
| 2012 | 907 | 235.1 |
| 2011 | 908 | 229.2 |
| 2010 | 910 | 223.3 |
| 2009 | 910 | 217.3 |
| 2008 | 910 | 211.5 |
| 2007 | 910 | 206.3 |
| 2006 | 908 | 201.8 |
| 2005 | 908 | 197.4 |
| 2004 | 908 | 192.2 |
| 2003 | 908 | 185.8 |
| 2002 | 906 | 178.4 |
| 2001 | 903 | 168.4 |
| 2000 | 901 | 158.7 |
| 1999 | 900 | 154.9 |
| 1998 | 898 | 154.1 |
| 1997 | 896 | 152.6 |
| 1996 | 894 | 150.7 |
| 1995 | 891 | 150 |
| 1994 | 889 | 149.7 |
| 1993 | 887 | 149.2 |
| 1992 | 884 | 149.5 |
| 1991 | 881 | 152.4 |
| 1990 | 877 | 150.6 |
| 1989 | 874 | 144.8 |
| 1988 | 871 | 141.2 |
| 1987 | 867 | 137.4 |
| 1986 | 863 | 133.8 |
| 1985 | 858 | 130.6 |
| 1984 | 853 | 127.7 |
| 1983 | 844 | 124.9 |
| 1982 | 838 | 122.3 |
| 1981 | 832 | 119.8 |
| 1980 | 826 | 117.4 |
| 1979 | 819 | 115.1 |
| 1978 | 812 | 112.9 |
| 1977 | 805 | 110.7 |
| 1976 | 797 | 108.7 |
| 1975 | 788 | 106.7 |
| 1974 | 778 | 104.8 |
| 1973 | 768 | 102.9 |
| 1972 | 757 | 101 |
| 1971 | 747 | 99.2 |
| 1970 | 730 | 97.3 |
| 1969 | 722 | 95.5 |
| 1968 | 713 | 93.7 |
| 1967 | 705 | 91.9 |
| 1966 | 698 | 90.2 |
| 1965 | 692 | 88.6 |
| 1964 | 684 | 87 |
| 1963 | 677 | 85.5 |
| 1962 | 671 | 84 |
| 1961 | 664 | 82.7 |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Japan
|
Sierra Leone
|
|
| 2024 | 92.1% | 44.8% |
| 2023 | 92% | 44.3% |
| 2022 | 92% | 43.8% |
| 2021 | 91.9% | 43.4% |
| 2020 | 91.8% | 42.9% |
| 2019 | 91.7% | 42.5% |
| 2018 | 91.6% | 42.1% |
| 2017 | 91.5% | 41.6% |
| 2016 | 91.5% | 41.2% |
| 2015 | 91.4% | 40.8% |
| 2014 | 91.3% | 40.4% |
| 2013 | 91.2% | 40% |
| 2012 | 91.1% | 39.6% |
| 2011 | 91.1% | 39.2% |
| 2010 | 90.8% | 38.9% |
| 2009 | 90% | 38.5% |
| 2008 | 89.1% | 38.1% |
| 2007 | 88.1% | 37.7% |
| 2006 | 87.1% | 37.3% |
| 2005 | 86% | 36.9% |
| 2004 | 84.6% | 36.6% |
| 2003 | 83.2% | 36.4% |
| 2002 | 81.6% | 36.1% |
| 2001 | 80% | 35.9% |
| 2000 | 78.6% | 35.6% |
| 1999 | 78.5% | 35.4% |
| 1998 | 78.4% | 35.1% |
| 1997 | 78.3% | 34.9% |
| 1996 | 78.1% | 34.7% |
| 1995 | 78% | 34.4% |
| 1994 | 77.9% | 34.2% |
| 1993 | 77.7% | 34% |
| 1992 | 77.6% | 33.7% |
| 1991 | 77.5% | 33.5% |
| 1990 | 77.3% | 33.3% |
| 1989 | 77.2% | 33% |
| 1988 | 77.1% | 32.8% |
| 1987 | 77% | 32.6% |
| 1986 | 76.8% | 32.3% |
| 1985 | 76.7% | 32% |
| 1984 | 76.6% | 31.6% |
| 1983 | 76.5% | 31.1% |
| 1982 | 76.4% | 30.7% |
| 1981 | 76.3% | 30.2% |
| 1980 | 76.2% | 29.8% |
| 1979 | 76.1% | 29.4% |
| 1978 | 76.1% | 29% |
| 1977 | 76% | 28.6% |
| 1976 | 75.9% | 28.1% |
| 1975 | 75.7% | 27.7% |
| 1974 | 75% | 27.1% |
| 1973 | 74.2% | 26.3% |
| 1972 | 73.5% | 25.5% |
| 1971 | 72.7% | 24.7% |
| 1970 | 71.9% | 24% |
| 1969 | 71.1% | 23.2% |
| 1968 | 70.3% | 22.5% |
| 1967 | 69.5% | 21.8% |
| 1966 | 68.7% | 21.1% |
| 1965 | 67.9% | 20.4% |
| 1964 | 67% | 19.7% |
| 1963 | 66.1% | 19.1% |
| 1962 | 65.1% | 18.5% |
| 1961 | 64.2% | 17.9% |
| 1960 | 63.3% | 17.4% |
From 2004 to 2024 share of the urban population changed from 84.6% to 92.1% in Japan and from 36.6% to 44.8% in Sierra Leone.
Densely populated cities
Compare countries by 7 more topics
Population density in other countries
people per square mile
Population density
Relevant pages:
By topic
vs
comparisons:
Population density comparisons
