XIII Recenseamento Geral da População e III Recenseamento Geral da Habitação 1991 - IPUMS Subset - Portugal

Abstract
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IPUMS-International is an effort to inventory, preserve, harmonize, and disseminate census microdata from around the world. The project has collected the world's largest archive of publicly available census samples. The data are coded and documented consistently across countries and over time to facillitate comparative research. IPUMS-International makes these data available to qualified researchers free of charge through a web dissemination system.

The IPUMS project is a collaboration of the Minnesota Population Center, National Statistical Offices, and international data archives. Major funding is provided by the U.S. National Science Foundation and the Demographic and Behavioral Sciences Branch of the National Institute of Child Health and Human Development. Additional support is provided by the University of Minnesota Office of the Vice President for Research, the Minnesota Population Center, and Sun Microsystems.

Geographic coverage
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National coverage

Analysis unit
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Dwelling

UNITS IDENTIFIED:
- Dwellings: Yes
- Vacant units: Yes
- Households: Yes
- Individuals: Yes
- Group quarters: Yes

UNIT DESCRIPTIONS:
- Dwellings: Are structurally separate and independent and designed for permanent human habitation at a fixed location. They are not used wholly for other purposes at the time of the census or are actually used as the principal usual residence of at least one person at the time of the census.
- Households: Group of persons living at the same dwelling and that have kinship relations among them ("de jure" or "de facto"), regardless of occupying the whole or part of the housing unit. A person who lives alone in a separate housing unit or who occupies, as a lodger, a separate room (or rooms) of a housing unit, but does not have kinship relations with the other occupants.
- Group quarters: Group of persons living in a collective housing unit (institution) that, regardless of the family relationship among them, they respect common rules, are beneficiaries of the purposes of the institution, and are ruled by a specific entity within or without that group.

Universe
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9,867,147

Kind of data
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Census/enumeration data [cen]

Sampling procedure
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MICRODATA SOURCE: Portugal Instituto Nacional de Estatística (INE)

SAMPLE DESIGN: Systematic, for every 20th dwelling/housing unit, excluding collective dwellings, with the start on the first dwelling of each one of the seven NUTS II. Persons living in the collective dwellings were selected apart but using the same methodological approach.

SAMPLE UNIT: Dwelling for private dwellings; person for collective dwellings

SAMPLE FRACTION: 5%

SAMPLE SIZE (person records): 491,755

Mode of data collection
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Face-to-face [f2f]

Research instrument
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One questionnaire for each of the following statistical units: building, housing unit, private household, institutional household, individual and "collective questionnaire" (for groups of individuals presents but not residents).

Response rate
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COVERAGE: Buildings 99.6%; dwellings 99.4%; households 99.2%; individuals 99.0%

{'Abstract': 'IPUMS-International项目致力于收集、保存、调和以及传播全球范围内的人口普查微观数据。该项目汇聚了全球范围内可公开获取的最大的普查样本档案。数据在各国以及不同时间点均保持编码和文档的一致性，以促进比较研究。IPUMS-International通过网络传播系统，免费向合格研究人员提供这些数据。', 'Geographic_coverage': '全国范围', 'Analysis_unit': '住宅', 'UNITS_IDENTIFIED': '识别的单元：
- 住宅：是
- 空置单元：是
- 家庭：是
- 个人：是
- 团体住宿设施：是', 'UNIT_DESCRIPTIONS': '单元描述：
- 住宅：结构上独立且固定地点，专为永久性人类居住而设计。在普查期间未被完全用于其他目的，或实际上在普查期间是至少一人的主要常规居住地。
- 家庭：居住在同一住宅内并具有血缘关系（法定或事实上的）的一群人。无论是否占用整个或部分住房单元，只要他们之间有血缘关系，即可构成家庭。独居于单独住房单元中的人，或作为房客占用住房单元中的单独房间（或房间），但与其他居住者没有血缘关系的人。', 'Universe': '9,867,147', 'Kind_of_data': '人口普查/登记数据 [cen]', 'Sampling_procedure': 'MICRODATA SOURCE: 葡萄牙国家统计局 (INE)
SAMPLE DESIGN: 系统性抽样，每20个住宅/住房单元抽取一个样本，排除集体住宅，从每个NUTS II区域的首个住宅开始。集体住宅中居住的人员单独选择，但采用相同的方法论。
SAMPLE UNIT: 私人住宅的住宅单元；集体住宅的个人
SAMPLE FRACTION: 5%
SAMPLE SIZE (person records): 491,755', 'Mode_of_data_collection': '面对面 [f2f]', 'Research_instrument': '为以下统计单元设计了一份问卷：建筑、住房单元、私人家庭、机构家庭、个人以及“集体问卷”（用于个人存在但非居民的人群）。', 'Response_rate': 'COVERAGE: 建筑物 99.6%；住宅 99.4%；家庭 99.2%；个人 99.0%'}