IPUMS-International: El Salvador 2007 Census

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 facilitate 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. Detailed metadata will be found in ipumsi_6.3_sv_2007_ddic.html within the Data Package. The related metadata describes the content of the extraction of the specified sample from the IPUMS International on-line extraction system.

IPUMS国际项目（IPUMS-International）是一项旨在对全球范围内的人口普查微观数据进行编目、保存、统一协调处理与发布的工作。该项目已建成全球规模最大的公开可用普查样本数据库。所有数据均在不同国家与不同时期间保持统一的编码与文档规范，以便于开展比较研究。IPUMS国际项目通过网络发布系统，向符合资质的研究人员免费开放上述数据。IPUMS项目由明尼苏达人口中心（Minnesota Population Center）、各国国家统计办公室以及国际数据档案机构合作推进。本项目的主要资助方为美国国家科学基金会（U.S. National Science Foundation）以及美国国立儿童健康与人类发展研究所人口与行为科学分部。额外支持由明尼苏达大学研究副校长办公室、明尼苏达人口中心以及太阳微系统公司（Sun Microsystems）提供。详细元数据可在数据包内的ipumsi_6.3_sv_2007_ddic.html文件中查阅。相关元数据用于说明从IPUMS国际在线提取系统中调取的指定样本的具体内容。