National Longitudinal Surveys

The National Longitudinal Surveys provide information from nationally representative samples regarding labor market participation and activities, such as: educational history and employment status, number of hours worked per week and other job characteristics. Information is also provided on significant aspects of life, such as: marriage, fertility, income, and health. Background The National Longitudinal Surveys are done by the Bureau of Labor Statistics at the US Department of Labor. The 5 surveys are done to gather information regarding significant events and labor market activities among youth and young adults in the United States. Specific data regarding labor market activities includes, and is not limited to: measures of labor market experience, tenure, employer mobility, educational history, transition from school to work and retirement pl anning and expectations. Data about life events includes: marital and fertility histories, health conditions, insurance coverage, participation in government assistance programs, criminal histories, and drug and alcohol use. User Functionality Users can view and download existing news releases and data tables. Most of the data sets are also available to download for free. Some specific portions may require a fee or an application. The site also provides users with extensive user guides to assist in data analysis. Data Notes The five National Longitudinal Surveys are: The National Longitudinal Survey of Youth, 1997; National Longitudinal Survey of Youth, 1979; National Longitudinal Surve y of Young Women and Mature Women; National Longitudinal Survey of Young Men and Older Men; NLS79 Children and Young Adults (survey of the biological children of the women from the 1979 NLS Youth Survey). Participants are considered to be a nationally representative sample. The website explains the survey methodology in detail.

全国纵向追踪调查（National Longitudinal Surveys）采用具有全国代表性的抽样样本，收集与劳动力市场参与及相关活动有关的信息，具体包括：教育经历、就业状况、周工作时长及其他工作特征。同时还收录了人生重要领域的相关信息，例如婚姻状况、生育情况、收入水平与健康状态。

背景介绍
本调查由美国劳工部下属的劳工统计局（Bureau of Labor Statistics）实施。该系列共包含5项调查，旨在收集美国青年及年轻群体的人生重要事件与劳动力市场活动相关数据。
劳动力市场活动相关的具体数据包括但不限于：劳动力市场经历、任职时长、雇主流动性、教育经历、从校园到职场的过渡情况，以及退休规划与预期等指标。人生事件相关数据则涵盖：婚姻与生育史、健康状况、保险覆盖情况、政府援助计划参与情况、犯罪记录，以及药物与酒精使用情况。

用户使用功能
用户可查看并下载现有新闻稿与数据表。多数数据集均可免费下载，部分特定数据内容可能需要付费或提交申请后方可获取。该网站还为用户提供详尽的使用指南，以辅助数据分析工作。

数据说明
该系列的5项调查分别为：1997年全国青年纵向追踪调查（National Longitudinal Survey of Youth, 1997）、1979年全国青年纵向追踪调查（National Longitudinal Survey of Youth, 1979）、全国青年女性与成熟女性纵向追踪调查（National Longitudinal Survey of Young Women and Mature Women）、全国青年男性与老年男性纵向追踪调查（National Longitudinal Survey of Young Men and Older Men），以及NLS79儿童与年轻成人调查（即针对1979年全国青年纵向追踪调查女性受访者的亲生子女开展的调查）。
调查受访者均来自具有全国代表性的抽样样本。该网站对调查方法进行了详细说明。