Sample characteristics: Iceland
| Census/survey characteristics | |
| Type | Census |
| Title | 1703 Census of Iceland |
| Statistical agency | Kingdom of Denmark |
| Population universe | All inhabitants of Iceland |
| De jure or de facto | De jure |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Not applicable |
| Sample fraction | 1 |
| Sample size (person records) | 51003 |
| Sample weights | Not applicable |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Commune |
| Census/survey characteristics | |
| Type | Census |
| Title | 1729 Census of Iceland |
| Statistical agency | Kingdom of Denmark |
| Population universe | All inhabitants of Iceland |
| De jure or de facto | De jure |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Full-count data for three counties: Rangárvallasýsla, Árnessýsla, and Hnappadalssýsla. More information available here. |
| Sample fraction | 100%* |
| Sample size (person records) | 8072 |
| Sample weights | Not applicable |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Commune |
| Census/survey characteristics | |
| Type | Census |
| Title | Census of Iceland 1801 |
| Statistical agency | (Danish) Department of Finances |
| Population universe | All persons present at the time of the census and temporarily absent "natives" |
| De jure or de facto | De facto |
| Census/survey day | February 1, 1801 |
| Field work period | February 1, 1801 |
| Type of fieldwork | Direct enumeration in towns. In rural areas, vicars compiled lists of parish residents. |
| Microdata sample characteristics | |
| Sample design | Not applicable |
| Sample fraction | 1 |
| Sample size (person records) | 47179 |
| Sample weights | Not applicable |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Parish |
| Census/survey characteristics | |
| Type | Census |
| Title | Census of Iceland 1901 |
| Population universe | All residents and guests who slept in the house the night of 31 October 1901 and temporarily absent residents |
| De jure or de facto | De facto and de jure |
| Census/survey day | November 1, 1901 |
| Field work period | November 1, 1901 |
| Questionnaire | Main form for persons present on census day. Supplementary form for persons absent on census day. Institutions were instructed to complete the main household form. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Not applicable |
| Sample fraction | 1 |
| Sample size (person records) | 83171 |
| Sample weights | Not applicable |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Parish |
| Unit definitions | |
| Households | Persons who rented accommodation in a household but paid for their food there or elsewhere were included in that household. Persons who lived alone and provided their own food were considered a separate household. |
| Collective dwellings | Enumerators were instructed to enumerate public institutions (hospitals, prisons, resident schools, etc.) and guest houses using the main form in the same manner as for private households. The household of the director or supervisor of the institution was enumerated separately. |
| Census/survey characteristics | |
| Type | Census |
| Title | Census of Iceland 1910 |
| De jure or de facto | De facto and de jure |
| Microdata sample characteristics | |
| Sample design | Not applicable |
| Sample fraction | 1 |
| Sample size (person records) | 90570 |
| Sample weights | Not applicable |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Parish |