Area

2018-1-30 | Geography |

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Total area by prefecture. It is common knowledge that Hokkaido is #1, but the ranking concerning other prefectures is not well known. The Geographical Survey Institute's data as of April 1, 2009 has been used. Interestingly, although the total sum of the areas of each prefecture is 364,546 sq. km, the total area of Japan is 377,945 sq. km, with a difference in 13,399 sq. km. This is an area similar to that of Fukushima or Nagano.

This difference is due to areas with undefined borders between prefectures. Although areas of municipalities with undefined borders are not included in the areas of each prefecture, they are included in the area of Japan, causing this difference. The greatest undefined area, as of the present, is the area covering across

Tsuruoka City in Yamagata
Oguni Town, Nishiokitama County in Yamagata
Murakami City in Niigata
Sekikawa Village, Iwafune County in Niigata

A total area of 3,522 sq. km is undefined. This area alone is the same area as Tottori.

The Geographical Survey Institute also publicizes the areas by prefecture by provisionally appropriating undefined areas to each municipality, which has been used in this ranking.

Following Hokkaido with the greatest area, are prefectures in the Tohoku area. The smallest is Kagawa. Although Osaka was known as the prefecture with the smallest area, its area increased due to landfill areas and surpassed the area of Kagawa.

Hokkaido is also #1 for the area per 10 thousand population, with 150 sq. km. Heavily populated urban areas are ranked low, with Tokyo at the lowest. The area per 10 thousand population in Tokyo is 1.7 sq. km, which is close to 90 times that of Hokkaido.

AREA

Source　Geospatial Information Authority of Japan (2016)

Rank	Prefectures	Area		Standard Score
Rank	Prefectures	Amount	per 1 Population	Standard Score
Sort	Desc Asc	Desc Asc	Desc Asc	Desc Asc
1	Hokkaido	83,423,820,000平方m	15,587.41	83.65
2	Iwate	15,275,010,000平方m	12,046.54	72.92
3	Akita	11,637,520,000平方m	11,522.30	71.33
4	Kochi	7,103,930,000平方m	9,852.88	66.28
5	Shimane	6,708,240,000平方m	9,722.09	65.88
6	Yamagata	9,323,150,000平方m	8,376.59	61.80
7	Aomori	9,645,560,000平方m	7,459.83	59.02
8	Fukushima	13,783,740,000平方m	7,250.78	58.39
9	Miyazaki	7,735,310,000平方m	7,057.76	57.81
10	Nagano	13,561,560,000平方m	6,495.00	56.10
11	Tottori	3,507,130,000平方m	6,152.86	55.06
12	Kagoshima	9,186,990,000平方m	5,612.09	53.43
13	Tokushima	4,146,790,000平方m	5,529.05	53.17
14	Niigata	12,584,180,000平方m	5,504.89	53.10
15	Oita	6,340,740,000平方m	5,466.16	52.98
16	Yamanashi	4,465,270,000平方m	5,379.84	52.72
17	Fukui	4,190,490,000平方m	5,358.68	52.66
18	Gifu	10,621,290,000平方m	5,252.86	52.34
19	Wakayama	4,724,710,000平方m	4,952.53	51.43
20	Yamaguchi	6,112,340,000平方m	4,384.75	49.71
21	Kumamoto	7,409,440,000平方m	4,176.69	49.08
22	Ehime	5,676,190,000平方m	4,128.14	48.93
23	Toyama	4,247,610,000平方m	4,003.40	48.55
24	Okayama	7,114,470,000平方m	3,715.13	47.68
25	Ishikawa	4,186,090,000平方m	3,636.92	47.44
26	Tochigi	6,408,090,000平方m	3,259.46	46.30
27	Gunma	6,362,280,000平方m	3,234.51	46.22
28	Mie	5,774,410,000平方m	3,193.81	46.10
29	Miyagi	7,282,220,000平方m	3,125.42	45.89
30	Nagasaki	4,132,200,000平方m	3,022.82	45.58
31	Hiroshima	8,479,470,000平方m	2,988.89	45.48
32	Saga	2,440,680,000平方m	2,947.68	45.35
33	Shiga	4,017,380,000平方m	2,843.16	45.04
34	Nara	3,690,940,000平方m	2,721.93	44.67
35	Shizuoka	7,777,430,000平方m	2,108.85	42.81
36	Ibaraki	6,097,120,000平方m	2,098.84	42.78
37	Kagawa	1,876,730,000平方m	1,930.79	42.27
38	Kyoto	4,612,190,000平方m	1,770.51	41.79
39	Okinawa	2,281,140,000平方m	1,585.23	41.22
40	Hyogo	8,400,930,000平方m	1,521.91	41.03
41	Fukuoka	4,986,400,000平方m	976.96	39.38
42	Chiba	5,157,640,000平方m	827.08	38.93
43	Aichi	5,172,900,000平方m	689.08	38.51
44	Saitama	3,797,750,000平方m	521.02	38.00
45	Kanagawa	2,415,920,000平方m	264.18	37.22
46	Osaka	1,905,140,000平方m	215.68	37.07
47	Tokyo	2,191,000,000平方m	160.82	36.91
	Japan	377,971,570,000平方m	2,977.73