| Names
|
| ISO3-Code |
TCD
|
| Continent |
Africa
|
| Country Name |
Chad
|
| Administrative Classifications |
| Level Used |
2
|
| Leve1 Type |
Prefecture
|
Level2 Type
|
Sous-Prefecture
|
| Number of Units |
14
|
| Population Per Unit ('000) (2000, estimate) |
527
|
| National Population Estimates |
| Last Year of Reference |
1990
|
| NSO-Based Estimated Population, 1990 ('000) |
5,454
|
| NSO-Based Estimated Population, 1995 ('000) |
6,302
|
| NSO-Based Estimated Population, 2000 ('000) |
7,378
|
| UN Population, 1990 ('000) |
5,829
|
| UN Population, 1995 ('000) |
6,735
|
| UN Population, 2000 ('000) |
7,885
|
| National
Spatial Estimates |
| Area (km2) |
1,243,139
|
| Average Input Resolution (km) |
298
|
| Settlement Points |
| Number of Settlement Points |
52
|
| Largest Settlement, by Population (2000, estimate) |
647,874
|
| Smallest Settlement, by Population (2000, estimate) |
1,020
|
| Mean Settlement, by Population (2000, estimate) |
29,560
|
| Urban Areal Extents |
| Number of Urban Extents |
38
|
| Largest Urban Extent (km2) |
177
|
| Smallest Urban Extent (km2) |
6
|
| Mean Urban Extent (km2) |
30
|
| Total for All Urban Extent (km2) |
1,139
|
| Largest Urban Extent (population, 2000) |
618,053
|
| Smallest Urban Extent (population, 2000) |
5,004
|
| Mean Urban Extent (population, 2000) |
44,141
|
| Total for All Urban Extent (population, 2000) |
1,677,345
|
| % Total Land Area in Urban Extents (km2) |
0%
|
| % Total Population in Urban Extents (2000, estimate) |
23%
|
| % Total Population that is Urban (2001, UN World Urbanization Prospects) |
24%
|
| Urban Areal Extents, by Source |
| Nighttime Lights Data |
3
|
| Regression-estimated Extents |
34
|
| Digital Chart of the World |
1
|
| Other |
0
|
| Notes |
| Administrative
Population Source Data: "Population estimates are based on the OECD/Club du Sahel West Africa Long Term Perspective Study (WALTPS), by Benoit Ninnin. Data for 1990 are based on Lopez-Escartin N.: Donnees de base sur la population, Tchad: CEPED, No. 5, Paris, Aout 1991." |
| Administrative
Boundary Source Data: Produce by the USGS/EDC USAID/FEWS for UNEP/GRID-WRI-NCGIA Africa Population Database: http://grid2.cr.usgs.gov. (USGS/EDC USAID/FEWS) |
| Settlement
Point Population Source Data: AFCities, Data provided by Uwe Deichman at the World Bank; City Population, http://www.citypopulation.de; Recensement General de la Population et de L'Habit 1995, Census Bureau; World Gazetteer, www.gazetteer.de |
| Settlement
Point Coordinate Source Data: NIMA, Times Atlas of the World, 1, World Gazetteer |
| Urban
Criteria for Settlements (UN): Administrative centres of prefectures, soul prefectures and administrative posts. |
| Administrative
Population Edits and Notes: Population data were extrapolated to the year 2000 using growth rates derived from United Nations national level estimates and projections. |
| Administrative
Spatial Edits and Notes: -- |
