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Japan Summary

Population 2000 (NSO-Based Estimate '000) 126,926   Population 2000 (UN '000) 127,096
Area (km2) 371,705   Avg. Input Resolution (km) 10
Number of Administrative Units 3,373   Population Per Administrative Unit ('000) 38
Number of Urban Extents 217   Number of Settlement Points 995

Japan Details

Continent Asia
Country Name Japan
Administrative Classifications
Level Used 2.0
Leve1 Type Prefecture
Level2 Type shi, ku, mati, mura
Number of Units 3,373
Population Per Unit ('000) (2000, estimate) 38
National Population Estimates
Last Year of Reference 2000
NSO-Based Estimated Population, 1990 ('000) 124,430
NSO-Based Estimated Population, 1995 ('000) 125,570
NSO-Based Estimated Population, 2000 ('000) 126,926
UN Population, 1990 ('000) 123,537
UN Population, 1995 ('000) 125,472
UN Population, 2000 ('000) 127,096
National Spatial Estimates
Area (km2) 371,705
Average Input Resolution (km) 10
Settlement Points
Number of Settlement Points 995
Largest Settlement, by Population (2000, estimate) 8,134,688
Smallest Settlement, by Population (2000, estimate) 14,800
Mean Settlement, by Population (2000, estimate) 108,758
Urban Areal Extents
Number of Urban Extents 217
Largest Urban Extent (km2) 38,220
Smallest Urban Extent (km2) 0
Mean Urban Extent (km2) 502
Total for All Urban Extent (km2) 108,927
Largest Urban Extent (population, 2000) 70,900,248
Smallest Urban Extent (population, 2000) 1,042
Mean Urban Extent (population, 2000) 467,396
Total for All Urban Extent (population, 2000) 101,424,900
% Total Land Area in Urban Extents (km2) 29%
% Total Population in Urban Extents (2000, estimate) 80%
% Total Population that is Urban (2001, UN World Urbanization Prospects) 79%
Urban Areal Extents, by Source
Nighttime Lights Data 385
Regression-estimated Extents 4
Digital Chart of the World 0
Other 0
Administrative Population Source Data:
"Survey of the Land Area for Shi, Ku, Machi, and Mura of Japan, 2000," published by the Geographical Survey Institute, Ministry of Land, Infrastructure and Transport.
Administrative Boundary Source Data:
Downloadable boundaries via the Global Map Japan (Provisional Version), Reference map via the Japan National Tourist Organization,
Settlement Point Population Source Data:
City Population,; World Gazetteer,
Settlement Point Coordinate Source Data:
Getty, Map, NIMA, UNSD, World Gazetteer
Urban Criteria for Settlements (UN):
City (shi) having 50,000 inhabitants or more with 60 per cent or more of the houses located in the main built-up areas and 60 per cent or more of the population (including dependants) engaged in manufacturing, trade or other urban type of business. Alternatively, a shi having urban facilities and urban conditions as defined by the prefectural order is considered urban.
Administrative Population Edits and Notes:
Administrative Spatial Edits and Notes:
Based on the Japan National Tourist Organization digital map at, boundaries lines were manually altered in 10 instances to reflect recent unit changes. New boundary lines were added in the following locations: Hokkaidoo prefecture between Kiyotaku and Kitahirosimasi, Hukusima prefecture between Iinomati and Hukusimasi, Tiba prefecture between Wadamati and Kamogawasi, Tiba prefecture between Kuzyuukurimati and Narutoomati, Niigata prefecture between Manomati and Akadomarimura, Toyama prefecture between Funahashimura and Kamiitimati, Yamanasi prefecture between Mitamatyoo and Itikawadzimontyoo, Gifu prefecture between Mitaketyoo and Yaotutyoo, Nagasaki prefecture between Nagayotyoo and inland water, and Kagosima prefecture between Ukenson and Setouchityoo.