Number of Animal/Plant Species in Japan
According to Ministry of the Environment, there are 60,300 spicies of wild animals and 34,200 spicies of wild plants (including algae/lichen/fungi) in Japan.
The following is the detail of it.
Table 1: Number of animal species
| Type | Number of species |
| Mammalia | 241 |
| Aves | 700 |
| Reptilia | 97 |
| Amphibia | 64 |
| Osteichthyes | 3,400 |
| Other Chordata | 250 |
| Insecta | 30,200 |
| Other Arthropoda | 10,000 |
| Mollusca | 7,800 |
| Other Animal | 7,500 |
| Total | 60,300 |
Table 2: Number of plant species
| Type | Number of species |
| Tracheophyta | 8,800 |
| Bryophyta | 1,600 |
| Algae | 5,500 |
| Lichen | 1,800 |
| Fungus | 16,500 |
| Total | 34,200 |
Source is Ministry of the Environment.
中央環境審議会 自然環境・野生生物合同部会 第2回合同部会 (平成14年3月18日)
www.biodic.go.jp/biodiversity/about/initiatives2/section_02.html
www.biodic.go.jp/biodiversity/about/initiatives2/files/section_02/1-4_4.pdf
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Average Height of 17 Years-old Boys by Prefecture in Japan, 2018
The figure below shows the average height of 17 years-old boys by prefecture in Japan. It is the data of the 2018 version. People in western Japan are relatively shorter.
Table: Average Height of 17 Years-old Boys by Prefecture, 2018
| Prefecture | cm | feet |
| Aomori | 171.7 | 5' 8" |
| Akita | 171.6 | 5' 8" |
| Chiba | 171.3 | 5' 7" |
| Kanagawa | 171.3 | 5' 7" |
| Toyama | 171.3 | 5' 7" |
| Shiga | 171.2 | 5' 7" |
| Tokyo | 171.1 | 5' 7" |
| Fukui | 171.1 | 5' 7" |
| Shizuoka | 171.0 | 5' 7" |
| Wakayama | 171.0 | 5' 7" |
| Yamagata | 170.9 | 5' 7" |
| Tottori | 170.9 | 5' 7" |
| Miyagi | 170.8 | 5' 7" |
| Saitama | 170.8 | 5' 7" |
| Ishikawa | 170.8 | 5' 7" |
| Mie | 170.8 | 5' 7" |
| Kyoto | 170.8 | 5' 7" |
| Nara | 170.8 | 5' 7" |
| Niigata | 170.7 | 5' 7" |
| Gifu | 170.7 | 5' 7" |
| Kumamoto | 170.7 | 5' 7" |
| Gunma | 170.6 | 5' 7" |
| Osaka | 170.6 | 5' 7" |
| Hokkaido | 170.5 | 5' 7" |
| Hyogo | 170.5 | 5' 7" |
| Tokushima | 170.5 | 5' 7" |
| Nagasaki | 170.4 | 5' 7" |
| Oita | 170.4 | 5' 7" |
| Nagano | 170.3 | 5' 7" |
| Aichi | 170.3 | 5' 7" |
| Okayama | 170.3 | 5' 7" |
| Hiroshima | 170.3 | 5' 7" |
| Shimane | 170.2 | 5' 7" |
| Miyazaki | 170.2 | 5' 7" |
| Fukushima | 170.1 | 5' 7" |
| Ibaraki | 170.1 | 5' 7" |
| Tochigi | 170.1 | 5' 7" |
| Yamanashi | 170.1 | 5' 7" |
| Kagawa | 170.1 | 5' 7" |
| Fukuoka | 170.1 | 5' 7" |
| Saga | 170.1 | 5' 7" |
| Yamaguchi | 170.0 | 5' 7" |
| Kagoshima | 170.0 | 5' 7" |
| Kochi | 169.7 | 5' 7" |
| Ehime | 169.6 | 5' 7" |
| Iwate | 169.5 | 5' 7" |
| Okinawa | 168.5 | 5' 6" |
| Nationwide | 170.6 | 5' 7" |
Source is Statistics Bureau. 学校保健統計調査 > 都道府県別 身長・体重の平均値及び標準偏差
www.e-stat.go.jp/stat-search/file-download?statInfId=000031812093&fileKind=0
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Population Prediction by Prefecture in Japan, 2018 version
National Institute of Population and Social Security Research predicted the population between 2015 and 2045 by prefecture. Except Tokyo, populations will be decreasing in all prefectures. The following data show the detail.
Table 1: Population Prediction by Prefecture, 2015-2045 (unit: 1000)
| Pref. | 2015 | 2020 | 2025 | 2030 | 2035 | 2040 | 2045 |
| Nationwide | 127,095 | 125,325 | 122,544 | 119,125 | 115,216 | 110,919 | 106,421 |
| Hokkaido | 5,382 | 5,217 | 5,017 | 4,792 | 4,546 | 4,280 | 4,005 |
| Aomori | 1,308 | 1,236 | 1,157 | 1,076 | 994 | 909 | 824 |
| Iwate | 1,280 | 1,224 | 1,162 | 1,096 | 1,029 | 958 | 885 |
| Miyagi | 2,334 | 2,296 | 2,227 | 2,144 | 2,046 | 1,933 | 1,809 |
| Akita | 1,023 | 956 | 885 | 814 | 744 | 673 | 602 |
| Yamagata | 1,124 | 1,072 | 1,016 | 957 | 897 | 834 | 768 |
| Fukushima | 1,914 | 1,828 | 1,733 | 1,635 | 1,534 | 1,426 | 1,315 |
| Ibaraki | 2,917 | 2,845 | 2,750 | 2,638 | 2,512 | 2,376 | 2,236 |
| Tochigi | 1,974 | 1,930 | 1,873 | 1,806 | 1,730 | 1,647 | 1,561 |
| Gunma | 1,973 | 1,926 | 1,866 | 1,796 | 1,720 | 1,638 | 1,553 |
| Saitama | 7,267 | 7,273 | 7,203 | 7,076 | 6,909 | 6,721 | 6,525 |
| Chiba | 6,223 | 6,205 | 6,118 | 5,986 | 5,823 | 5,646 | 5,463 |
| Tokyo | 13,515 | 13,733 | 13,846 | 13,883 | 13,852 | 13,759 | 13,607 |
| Kanagawa | 9,126 | 9,141 | 9,070 | 8,933 | 8,751 | 8,541 | 8,313 |
| Niigata | 2,304 | 2,224 | 2,131 | 2,031 | 1,926 | 1,815 | 1,699 |
| Toyama | 1,066 | 1,035 | 996 | 955 | 910 | 863 | 817 |
| Ishikawa | 1,154 | 1,133 | 1,104 | 1,071 | 1,033 | 990 | 948 |
| Fukui | 787 | 764 | 738 | 710 | 680 | 647 | 614 |
| Yamanashi | 835 | 801 | 763 | 724 | 684 | 642 | 599 |
| Nagano | 2,099 | 2,033 | 1,958 | 1,878 | 1,793 | 1,705 | 1,615 |
| Gifu | 2,032 | 1,973 | 1,901 | 1,821 | 1,735 | 1,646 | 1,557 |
| Shizuoka | 3,700 | 3,616 | 3,506 | 3,380 | 3,242 | 3,094 | 2,943 |
| Aichi | 7,483 | 7,505 | 7,456 | 7,359 | 7,228 | 7,071 | 6,899 |
| Mie | 1,816 | 1,768 | 1,710 | 1,645 | 1,576 | 1,504 | 1,431 |
| Shiga | 1,413 | 1,409 | 1,395 | 1,372 | 1,341 | 1,304 | 1,263 |
| Kyoto | 2,610 | 2,574 | 2,510 | 2,431 | 2,339 | 2,238 | 2,137 |
| Osaka | 8,839 | 8,732 | 8,526 | 8,262 | 7,963 | 7,649 | 7,335 |
| Hyogo | 5,535 | 5,443 | 5,306 | 5,139 | 4,949 | 4,743 | 4,532 |
| Nara | 1,364 | 1,320 | 1,265 | 1,202 | 1,136 | 1,066 | 998 |
| Wakayama | 964 | 921 | 876 | 829 | 782 | 734 | 688 |
| Tottori | 573 | 556 | 537 | 516 | 495 | 472 | 449 |
| Shimane | 694 | 670 | 643 | 615 | 588 | 558 | 529 |
| Okayama | 1,922 | 1,890 | 1,846 | 1,797 | 1,742 | 1,681 | 1,620 |
| Hiroshima | 2,844 | 2,814 | 2,758 | 2,689 | 2,609 | 2,521 | 2,429 |
| Yamaguchi | 1,405 | 1,352 | 1,293 | 1,230 | 1,166 | 1,100 | 1,036 |
| Tokushima | 756 | 723 | 688 | 651 | 614 | 574 | 535 |
| Kagawa | 976 | 951 | 921 | 889 | 853 | 815 | 776 |
| Ehime | 1,385 | 1,333 | 1,274 | 1,212 | 1,148 | 1,081 | 1,013 |
| Kochi | 728 | 691 | 653 | 614 | 576 | 536 | 498 |
| Fukuoka | 5,102 | 5,098 | 5,043 | 4,955 | 4,842 | 4,705 | 4,554 |
| Saga | 833 | 810 | 785 | 757 | 728 | 697 | 664 |
| Nagasaki | 1,377 | 1,321 | 1,258 | 1,192 | 1,124 | 1,054 | 982 |
| Kumamoto | 1,786 | 1,742 | 1,691 | 1,636 | 1,577 | 1,512 | 1,442 |
| Oita | 1,166 | 1,131 | 1,089 | 1,044 | 997 | 947 | 897 |
| Miyazaki | 1,104 | 1,067 | 1,023 | 977 | 928 | 877 | 825 |
| Kagoshima | 1,648 | 1,583 | 1,511 | 1,437 | 1,362 | 1,284 | 1,204 |
| Okinawa | 1,434 | 1,460 | 1,468 | 1,470 | 1,466 | 1,452 | 1,428 |
| Prefectures, population decreasing | 39 | 42 | 45 | 45 | 47 | 47 | 47 |
Table 2: Decreasing Index, If 2015 = 100
| Pref. | 2030 | 2045 |
| Akita | 79.6 | 58.8 |
| Aomori | 82.3 | 63.0 |
| Yamagata | 85.2 | 68.4 |
| Kochi | 84.4 | 68.4 |
| Fukushima | 85.4 | 68.7 |
| Iwate | 85.7 | 69.1 |
| Tokushima | 86.2 | 70.8 |
| Nagasaki | 86.6 | 71.3 |
| Wakayama | 86.0 | 71.4 |
| Yamanashi | 86.8 | 71.7 |
| Ehime | 87.5 | 73.1 |
| Kagoshima | 87.2 | 73.1 |
| Nara | 88.1 | 73.2 |
| Niigata | 88.2 | 73.7 |
| Yamaguchi | 87.6 | 73.7 |
| Hokkaido | 89.0 | 74.4 |
| Miyazaki | 88.5 | 74.7 |
| Shimane | 88.6 | 76.2 |
| Ibaraki | 90.4 | 76.6 |
| Gifu | 89.6 | 76.6 |
| Toyama | 89.5 | 76.7 |
| Nagano | 89.5 | 76.9 |
| Oita | 89.5 | 76.9 |
| Miyagi | 91.8 | 77.5 |
| Fukui | 90.2 | 78.1 |
| Tottori | 90.0 | 78.2 |
| Gunma | 91.0 | 78.7 |
| Mie | 90.6 | 78.8 |
| Tochigi | 91.5 | 79.0 |
| Shizuoka | 91.3 | 79.5 |
| Kagawa | 91.0 | 79.5 |
| Saga | 90.9 | 79.7 |
| Kumamoto | 91.6 | 80.8 |
| Kyoto | 93.1 | 81.9 |
| Hyogo | 92.9 | 81.9 |
| Ishikawa | 92.8 | 82.1 |
| Osaka | 93.5 | 83.0 |
| Okayama | 93.5 | 84.3 |
| Hiroshima | 94.6 | 85.4 |
| Chiba | 96.2 | 87.8 |
| Fukuoka | 97.1 | 89.3 |
| Shiga | 97.1 | 89.4 |
| Saitama | 97.4 | 89.8 |
| Kanagawa | 97.9 | 91.1 |
| Aichi | 98.3 | 92.2 |
| Okinawa | 102.5 | 99.6 |
| Tokyo | 102.7 | 100.7 |
| Nationwide | 93.7 | 83.7 |
Source is National Institute of Population and Social Security Research. 『日本の地域別将来推計人口』（平成30（2018）年推計）
www.ipss.go.jp/pp-shicyoson/j/shicyoson18/2gaiyo_hyo/gaiyo.asp
www.ipss.go.jp/pp-shicyoson/j/shicyoson18/2gaiyo_hyo/hyo2.xls
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