With a population of over 12 million, or about 10 percent of Japan's population, Tokyo is by far the country's most populous and most densely populated prefecture. The centre of Tokyo is located at 35�41' North, 139�46' East (35.68333, 139.7667).

Tokyo Population (October 1, 2003)

- Population 12,369,000 (8,340,000 in 23 wards) (1st)
- Tokyo Population Density 5655 /km²
- Tokyo Area 2,187.08 km² (45th)

Tokyo Population By age (As of Jan. 1, 2003):

Juveniles (0-14): 1.433 million (12%)
Working population (15-64): 8.507 million (71.4%)
Aged population (65+): 2.057 million (16.6%)

Tokyo Population By time (As of 2000)

Night-time: 12.017 million
Daytime: 14.667 million

Tokyo Population By Nationality

Foreign residents: 353,826 (as of Jan. 1, 2005)
Top 5 Nationalities of Foreign Residents: Chinese (120,331), Korean (103,191), Philippine (31,505), American (18, 043), British (7,585)

Technically Tokyo only has a population of 8.34 million people, but the greater area of Tokyo (continuous urban areas) includes a total of 12.369 million. The issue of determining Tokyo's population is further complicated by Yokohama. There is now continuous urban land use between Tokyo and Yokohama, such that Yokohama could really be considered a "suburb of Tokyo".

The satellite image below gives you some idea of the size of Tokyo's population, but this image does not include all of the urban areas of greater Tokyo. For further information see Tokyo Japan Map.

Tokyo Japan Map
Landsat image by NASA

(Article based on Wikipedia article and used under the GNU Free Documentation License)

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