Sample characteristics: Mongolia
| Census/survey characteristics | |
| Type | Census |
| Title | Population and Housing Census 1989 |
| Statistical agency | National Statistical Office of Mongolia |
| Population universe | All population inside Mongolia and abroad |
| De jure or de facto | De jure and de facto |
| Census/survey day | January 5, 1989 |
| Field work period | January 5-9, 1989 |
| Questionnaire | There are three enumeration forms: 1) census questionnaire, 2) household questionnaire, and 3) housing questionnaire. |
| Type of fieldwork | Direct interview |
| Microdata sample characteristics | |
| Sample design | Cluster sample of entire districts (soums) or portions of districts. Every province has some districts sampled.
NOTE: Because of extreme clustering, the sample weights may not ensure representative results for all types of analyses. |
| Sample fraction | 0.1 |
| Sample size (person records) | 190631 |
| Sample weights | Weights designed to yield the proper age structure for each province based on published census results. Household weights are computed as the mean of the person weights in the unit. |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Province (aimag) |
| Unit definitions | |
| Dwellings | Not specified |
| Households | One or more individuals who live under one roof, have either family or relationship relation, and have one budget. |
| Census/survey characteristics | |
| Type | Census |
| Title | Population and Housing Census 2000 |
| Statistical agency | National Statistical Office of Mongolia |
| Population universe | All population inside Mongolia and abroad |
| De jure or de facto | De jure and de facto |
| Census/survey day | January 5, 2000 |
| Field work period | January 5-11, 2000 |
| Questionnaire | There are three enumeration forms: 1) census questionnaire, 2) household questionnaire, and 3) housing questionnaire. |
| Type of fieldwork | Direct interview |
| Microdata sample characteristics | |
| Sample design | Systematic sample of every tenth household. Drawn by IPUMS from 100% microdata. |
| Sample fraction | 0.1 |
| Sample size (person records) | 243725 |
| Sample weights | Self-weighted. Expansion factor = 10. |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | District |
| Unit definitions | |
| Dwellings | Not specified |
| Households | A single persons or two or more related or unrelated persons who share food and other essentials, such as pooling of income. |
| Collective dwellings | The place in which a group of unrelated persons live together but are not members of a household, such as dormitories, military divisions, hospitals, holiday homes, sanatoriums, and caring homes. |