Sample characteristics: Kenya
| Census characteristics | |||||
|---|---|---|---|---|---|
| 1969 | 1979 | 1989 | 1999 | 2009 | |
| Title | 1969 Population Census | 1979 Population Census | 1989 Population and Housing census | 1999 Population and Housing census | 2009 Kenya Population and Housing Census |
| Census agency | Statistics Division Ministry of Finance and Planning | Central Bureau of Statistics Ministry of Finance and Planning | Central Bureau of Statistics Ministry of Finance and Planning | Central Bureau of Statistics Ministry of Finance and Planning | Kenya National Bureau of Statistics |
| Population universe | All persons who were in Kenya at midnight on Census Night. | All persons who were in Kenya at midnight on Census Night. | All persons present in Kenya on the reference date. |
All persons present in Kenya on the reference date. |
All persons who spent the Census Night in |
| De jure/ de facto | De facto | De facto | De facto | De facto | De facto |
| Enumeration unit | Household | Household | Household | Household | Households |
| Census day | August 24, 1969 | August 24, 1979 | October 25, 1989 | August 25, 1999 | August 24-25, 2009 |
| Field work period | — | — | Unknown. | 7 days after census day, to August 31 | — |
| Enumeration forms | Single enumeration form that requested information on individuals. | Single enumeration form that requested information on individuals. | A long form was used to enumerate individuals in private households and in institutions such as schools, colleges, barracks, prisons, and hospitals. The long form includes both individual and housing characteristics. A greatly abbreviated form was used for persons in transit or who slept outdoors, in hotels or boarding houses. | A long form was used to enumerate individuals in private households and in institutions such as schools, colleges, barracks, prisons, and hospitals. The long form includes both individual and housing characteristics. A greatly abbreviated form was used for persons in transit or who slept outdoors, in hotels or boarding houses. | A long form was used to enumerate individuals in private households and in institutions such as schools, colleges, barracks, prisons, and hospitals. The long form includes both individual and housing characteristics. A greatly abbreviated form was used for persons in transit or who slept outdoors, in hotels or boarding houses. |
| Type of field work | Direct enumeration | Direct enumeration | Direct enumeration | Direct enumeration | Direct enumeration |
| Respondent | Head of the household or responsible adult | Head of the household or responsible adult | Householder or responsible adult | Householder or responsible adult | Head of the household or responsible adult |
| Undercount | No official estimate | No official estimate | |||
| Microdata sample characteristics | |||||
|---|---|---|---|---|---|
| 1969 | 1979 | 1989 | 1999 | 2009 | |
| Microdata source | Constructed by census agency. | Constructed by census agency. | Constructed by census agency. Microdata files dated October 31, 1995. | Constructed by census agency. Microdata files dated September 9, 2001. | Constructed by census agency. |
| Sample design | Unknown sample design includes oversample of Nairobi. Data are weighted by age and district of residence. | Unknown sample design. NOTE: The sample is a sample of individuals. |
Systematic sample of every twentieth household. | Systematic sample of every twentieth household. | Systematic sample of every tenth household. |
| Sample universe | Unknown. | Unknown. | Microdata sample excludes vagrant population. | The current version of the microdata sample excludes travelers and vagrants. | The microdata sample includes conventional households, unconventional households (i.e. group quarters and those included in special populations), and households in refugee camps. |
| Sampling unit | Household | Household | Households | Households | Households |
| Sample fraction | 6% | 6.7% | 5% | 5% | 10% |
| Sample size (person records) | 659,310 | 1,033,769 | 1,074,098 | 1,407,547 | 3,841,935 |
| Sample weights | Self-weighting. Expansion factor = 20. |
Self-weighting. Expansion factor = 20. |
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| Units identified | |||||
|---|---|---|---|---|---|
| 1969 | 1979 | 1989 | 1999 | 2009 | |
| Dwellings | No | No | No | No | No |
| Households | Yes | No | Yes | Yes | Yes |
| Persons | Yes | Yes | Yes | Yes | Yes |
| Special populations | Travelers, campers, lodgers (hotels) | Travelers, campers, lodgers (hotels). Note: These persons are not included in the current version of the microdata sample. |
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| Group quarters | Included in microdata without identification | Included in microdata without identification | |||
| Smallest geography | District | District | District | District | District |
| Unit definitions | |||||
|---|---|---|---|---|---|
| 1969 | 1979 | 1989 | 1999 | 2009 | |
| Private household | A group of persons who normally live and eat together, whether or not they are related by blood or marriage. | A person or a group of persons who live together in the same dwelling unit or homestead and eat together. They may or may not be related by blood or marriage | A person or a group of persons who live together in the same dwelling unit or homestead and eat together. They may or may not be related by blood or marriage | A person or a group of persons who live together in the same dwelling unit or homestead and eat together. They may or may not be related by blood or marriage. | |
| Group quarters | Group quarters consist of schools/colleges, barracks, prisons, hospitals and other institutions. | Group quarters consist of schools/colleges, barracks, prisons, hospitals and other institutions. | Group quarters consist of schools/colleges, barracks, prisons, hospitals and other institutions. | Group quarters consist of schools/colleges, barracks, prisons, hospitals and other institutions. | |
| Special populations | Persons who sleep outdoors and travelers in hotels, lodges, and boarding houses | Persons who sleep outdoors and travelers in hotels, lodges, and boarding houses | Persons who sleep outdoors and travelers in hotels, lodges, and boarding houses | ||
| Dwelling/housing units | A homestead is a structurally separate and independent place of abode. A structure is a building that is used for dwelling purposes. In rural areas most of the structures will be found within a homestead and may contain one or more dwelling units. A dwelling unit is the abode occupied by the respondents and constitutes one or more households. |
A homestead is a structurally separate and independent place of abode. A structure is a building that is used for dwelling purposes. In rural areas most of the structures will be found within a homestead and may contain one or more dwelling units. A dwelling unit is the abode occupied by the respondents and constitutes one or more households. |
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