Quarterly Labour Force Survey 2021, Quarter 4 - South Africa

Abstract
---------------------------

The Quarterly Labour Force Survey (QLFS) is a household-based sample survey conducted by Statistics South Africa (Stats SA). It collects data on the labour market activities of individuals aged 15 years or older who live in South Africa.

Geographic coverage
---------------------------

National coverage

Analysis unit
---------------------------

Individuals

Universe
---------------------------

The QLFS sample covers the non-institutional population of South Africa with one exception. The only institutional subpopulation included in the QLFS sample are individuals in worker's hostels. Persons living in private dwelling units within institutions are also enumerated. For example, within a school compound, one would enumerate the schoolmaster's house and teachers' accommodation because these are private dwellings. Students living in a dormitory on the school compound would, however, be excluded.

Kind of data
---------------------------

Sample survey data

Sampling procedure
---------------------------

The QLFS uses a master sampling frame that is used by several household surveys conducted by Statistics South Africa. This wave of the QLFS is based on the 2013 master frame, which was created based on the 2011 census. There are 3324 PSUs in the master frame and roughly 33 000 dwelling units.

The sample for the QLFS is based on a stratified two-stage design with probability proportional to size (PPS) sampling of PSUs in the first stage, and sampling of dwelling units (DUs) with systematic sampling in the second stage.

For each quarter of the QLFS, a quarter of the sampled dwellings are rotated out of the sample. These dwellings are replaced by new dwellings from the same PSU or the next PSU on the list. For more information see the statistical release.

Mode of data collection
---------------------------

Computer Assisted Telephone Interview

摘要
---------------------------
南非洲统计局（Stats SA）进行的季度劳动力调查（QLFS）是一项基于家庭的抽样调查。该调查收集了居住在南非且年龄在15岁或以上的个人在劳动力市场中的活动数据。
地理覆盖范围
---------------------------
全国覆盖
分析单元
---------------------------
个人
总体
---------------------------
QLFS样本涵盖了南非的非机构人口，但存在一个例外。唯一包含在QLFS样本中的机构子群体是工人宿舍的居民。居住在机构内部私人住宅单位的人员也被纳入统计。例如，在学校园区内，学校主人的住所和教师宿舍将被计算在内，因为这些是私人住宅。然而，居住在学校园区宿舍的学生则被排除在外。
数据类型
---------------------------
抽样调查数据
抽样程序
---------------------------
QLFS采用南非洲统计局进行的几项家庭调查所使用的母体抽样框架。本次QLFS的调查波次基于2013年的母体框架，该框架是基于2011年的人口普查创建的。母体框架中共有3324个抽样单元（PSU），大约有33,000个住宅单位。
QLFS的样本基于分层两阶段设计，第一阶段采用与规模成比例的概率抽样（PPS）对PSU进行抽样，第二阶段采用系统抽样对住宅单位（DU）进行抽样。
对于QLFS的每个季度，有四分之一被抽样的住宅被轮换出样本。这些住宅将由同一PSU或名单上的下一个PSU中的新住宅替代。更多详细信息请参阅统计公告。
数据收集方式
---------------------------
计算机辅助电话访谈