Sample characteristics: Liberia
| Census characteristics | ||
|---|---|---|
| 1974 | 2008 | |
| Title | 1974 Population and Housing Census | 2008 National Population and Housing Census |
| Census agency | Ministry of Planning and Economic Development | Liberia Institute of Statistics and Geo-Information Services (LISGIS) |
| Population universe | Residents of Liberia at the time of the census | Persons who spent the reference night in a household in Liberia |
| De jure or de facto | De jure | De facto |
| Enumeration unit | Households, individuals | Dwellings, households and individuals |
| Census day | February 1, 1974 | March 21, 2008 to March 30, 2008 |
| Field work period | -- | March 21, 2008 to March 30, 2008 |
| Enumeration forms | Single form with sections on individuals and housing characteristics and amenities. | Single form with sections on individuals, housing characteristics, housing amenities, agriculture and deaths. |
| Type of fieldwork | Direct enumeration | Direct enumeration |
| Respondent | Household head | Household head or any other knowledgeable household member |
| Coverage | -- | -- |
| Microdata sample characteristics | ||
|---|---|---|
| 1974 | 2008 | |
| Microdata source | Liberian Institute of Statistics and Geo-Information Systems | Liberian Institute of Statistics and Geo-Information Systems |
| Sample design | Sample represents approximately 10 percent of each of the cells obtained by the cross classification of 17 broad age groups, two sex categories and two divisions of working and non-working. The sample selected from each of the 68 strata is considered representative of the Liberian population. | Systematic sample of every 10th household with a random start, drawn by the Minnesota Population Center. |
| Sample unit | Individuals | Households |
| Sample fraction | 10% | 10% |
| Sample size (person records) | 150,256 | 348,057 |
| Sample weights | Self-weighting (expansion factor=10) | Self-weighting (expansion factor=10) |
| Units identified | ||
|---|---|---|
| 1974 | 2008 | |
| Dwellings | No | No |
| Vacant units | No | No |
| Households | No | Yes |
| Individuals | Yes | Yes |
| Group quarters | No | Yes |
| Special populations | -- | -- |
| Smallest geography | District | County |
| Unit definitions | ||
|---|---|---|
| 1974 | 2008 | |
| Dwellings | -- | -- |
| Households | -- | -- |
| Group quarters | Institutions where people reside on a permanent or semi-permanent basis and in which the residents are identified with the institution rather than with any family relationship. | -- |
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