Sample characteristics: Armenia
| Census/survey characteristics | |
| Type | Census |
| Title | The 2001 Population and Housing Census of the Republic of Armenia |
| Statistical agency | National Statistical Service of the Republic of Armenia |
| Population universe | All the population in the national territory at the moment the census is carried out. |
| De jure or de facto | De jure in microdata |
| Census/survey day | 2001-10-09 00:00:00 |
| Field work period | October 10 (8am-) to October 19, 2001 |
| Questionnaire | A single form with three sections: (1) Address tab, (2) personal questions, and (3) household questions |
| Type of fieldwork | Direct enumeration via house-to-house visits and personal interviews. |
| Microdata sample characteristics | |
| Sample design | Systematic sample of every 10th household with a random start, drawn by the national statistical office |
| Sample fraction | 0.1 |
| Sample size (person records) | 326560 |
| Sample weights | Self-weighting (expansion factor = 10). |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | No |
| Smallest geography | Province |
| Unit definitions | |
| Dwellings | A separate settlement for the members of one or more households or the independent settlement or the place that is not for living but used as such during the census. |
| Households | The households are of two types. A personal household is (1) a one-person household who makes provision for his or her own food or other essentials for living without combining with any other person to form part of a multi-person household, or (2) a multi-person household comprising two or more people living together who make common provision for food or other essentials for living. The members of the household meet their biological needs by keeping a general household and partly uniting their resources. Those people can be connected by kinship, marriage, or both. |
| Collective dwellings | An institutional household is a household in which a group of population live together and usually are submitted to the same rules and eat together in orphanages, boarding schools, special schools, nursing homes, religious establishments, prisons, reformatory colonies, and other such establishments. |
| Special populations | Persons without a shelter (tramps, homeless) |
| Census/survey characteristics | |
| Type | Census |
| Title | The 2011 Population and Housing Census of the Republic of Armenia |
| Statistical agency | National Statistical Service of the Republic of Armenia |
| Population universe | All the population in the national territory at the momentof the census |
| De jure or de facto | De jure in microdata |
| Census/survey day | October 12, 2011 |
| Field work period | October 12-21, 2011 |
| Questionnaire | A single enumeration form requested information on the dwelling, household, and individuals. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic sample of every 10th household with a random start, drawn by the country |
| Sample fraction | 0.1 |
| Sample size (person records) | 301831 |
| Sample weights | Self-weighting (expansion factor = 10). |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | No |
| Smallest geography | Province (Marz) |
| Unit definitions | |
| Dwellings | A structurally separate and independent place of abode intended for habitation by a single household or any moveable or improvised dwelling not designed for habitation, regardless of its usage period and possibilities, used as such by a household at the time of the Population Census. |
| Households | Individual households consists of two or more persons who occupy the whole or part of a housing unit and combine resources to provide themselves with food and possibly other necessities for living. Members may pool their incomes to varying degrees. Members may be related in kinship or wedlock or may not be related. Individual households can also consist of a single individual living alone in a separate housing unit or in a part of a housing unit who provides for his/her needs independently. |
| Collective dwellings | Institutional households are households in which a group of individuals permanently live together, share common facilities, and share substinence that is provided by the facility such as orphanages, social service establishments for the elderly and disabled, boarding schools, schools for special purposes, religious organizations, and correctional and penal institutions. |
| Special populations | Homeless persons are persons who have no definite living place, carry their belongings with them and spend the night in casual structures (tramps, homeless). |