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Guinea-Bissau Summary

Population 2000 (NSO-Based Estimate '000) 1,224   Population 2000 (UN '000) 1,199
Area (km2) 34,106   Avg. Input Resolution (km) 30
Number of Administrative Units 37   Population Per Administrative Unit ('000) 33
Number of Urban Extents 13   Number of Settlement Points 19

Guinea-Bissau Details

Continent Africa
Country Name Guinea-Bissau
Administrative Classifications
Level Used 2.0
Leve1 Type Regiao
Level2 Type Sector
Number of Units 37
Population Per Unit ('000) (2000, estimate) 33
National Population Estimates
Last Year of Reference 1991
NSO-Based Estimated Population, 1990 ('000) 966
NSO-Based Estimated Population, 1995 ('000) 1,100
NSO-Based Estimated Population, 2000 ('000) 1,224
UN Population, 1990 ('000) 946
UN Population, 1995 ('000) 1,078
UN Population, 2000 ('000) 1,199
National Spatial Estimates
Area (km2) 34,106
Average Input Resolution (km) 30
Settlement Points
Number of Settlement Points 19
Largest Settlement, by Population (2000, estimate) 265,632
Smallest Settlement, by Population (2000, estimate) 1,389
Mean Settlement, by Population (2000, estimate) 24,141
Urban Areal Extents
Number of Urban Extents 13
Largest Urban Extent (km2) 75
Smallest Urban Extent (km2) 1
Mean Urban Extent (km2) 24
Total for All Urban Extent (km2) 314
Largest Urban Extent (population, 2000) 292,382
Smallest Urban Extent (population, 2000) 2,423
Mean Urban Extent (population, 2000) 33,970
Total for All Urban Extent (population, 2000) 441,611
% Total Land Area in Urban Extents (km2) 1%
% Total Population in Urban Extents (2000, estimate) 32%
% Total Population that is Urban (2001, UN World Urbanization Prospects) 32%
Urban Areal Extents, by Source
Nighttime Lights Data 2
Regression-estimated Extents 17
Digital Chart of the World 0
Other 0
Administrative Population Source Data:
The population figures 1990 are based on the OECD/Club du Sahel West Africa Long Term Perspective Study (WALTPS), estimated by Benoit Ninnin, and were based on Republica da Guine-Bissau, Recenseamento Geral da Populacao e da habitacao, 16 de Abril de 1979; and Republica da Guine-Bissau, Recenseamento Geral da Populacao da Populacao e da Habitacao, 1991, Resultadao Preliminares.
Administrative Boundary Source Data:
UNEP/GRID-WRI-NCGIA Africa Population Database, .
Settlement Point Population Source Data:
AFCities, Data provided by Uwe Deichman at the World Bank; World Gazetteer,
Settlement Point Coordinate Source Data:
AFCities, Columbia Gazetteer, NIMA
Urban Criteria for Settlements (UN):
Not available.
Administrative Population Edits and Notes:
Population data were extrapolated to target years using growth rates derived from United Nations national level estimates and projections.
Administrative Spatial Edits and Notes: