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Tonga Summary

Population 2000 (NSO-Based Estimate '000) 99   Population 2000 (UN '000) 99
Area (km2) 664   Avg. Input Resolution (km) 13
Number of Administrative Units 4   Population Per Administrative Unit ('000) 25
Number of Urban Extents 1   Number of Settlement Points 8

Tonga Details

Names
ISO3-Code TON
Continent Oceania
Country Name Tonga
Administrative Classifications
Level Used 1.0
Leve1 Type Island Group
Number of Units 4
Population Per Unit ('000) (2000, estimate) 25
National Population Estimates
Last Year of Reference 1996
NSO-Based Estimated Population, 1990 ('000) 96
NSO-Based Estimated Population, 1995 ('000) 97
NSO-Based Estimated Population, 2000 ('000) 99
UN Population, 1990 ('000) 96
UN Population, 1995 ('000) 97
UN Population, 2000 ('000) 99
National Spatial Estimates
Area (km2) 664
Average Input Resolution (km) 13
Settlement Points
Number of Settlement Points 8
Largest Settlement, by Population (2000, estimate) 23,921
Smallest Settlement, by Population (2000, estimate) 1,156
Mean Settlement, by Population (2000, estimate) 5,409
Urban Areal Extents
Number of Urban Extents 1
Largest Urban Extent (km2) 183
Smallest Urban Extent (km2) 183
Mean Urban Extent (km2) 183
Total for All Urban Extent (km2) 183
Largest Urban Extent (population, 2000) 50,026
Smallest Urban Extent (population, 2000) 50,026
Mean Urban Extent (population, 2000) 50,026
Total for All Urban Extent (population, 2000) 50,026
% Total Land Area in Urban Extents (km2) 27%
% Total Population in Urban Extents (2000, estimate) 50%
% Total Population that is Urban (2001, UN World Urbanization Prospects) 33%
Urban Areal Extents, by Source
Nighttime Lights Data 2
Regression-estimated Extents 2
Digital Chart of the World 0
Other 0
Notes
Administrative Population Source Data:
(1) 1996 Census results from Tonga, http://www.tongatapu.net.to/tonga/news/facts.htm . (2) 1986 Census from City Population, http://www.citypopulation.de/Tonga.html .
Administrative Boundary Source Data:
The Digital Chart of the World (DCW), except for the Vava''u and Niuas Island Groups which were taken from the World Vector Shorelines http://www.ngdc.noaa.gov/mgg/shorelines/shorelines.html .
Settlement Point Population Source Data:
World Gazetteer, www.gazetteer.de
Settlement Point Coordinate Source Data:
World Gazetteer
Urban Criteria for Settlements (UN):
Greater Nuku''alofa (including Ko-lomotu''a and Kolof''ou districts).
Administrative Population Edits and Notes:
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Administrative Spatial Edits and Notes:
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