The Scientists and Engineers Statistical Data System (SESTAT) is a comprehensive and integrated system of information about scientists and engineers in the United States. It comprises data collected through three national sample surveys supported by the National Science Foundation (NSF): The National Survey of College Graduates, the National Survey of Recent College Graduates, and the Survey of Doctorate Recipients. The SESTAT integrated database captures that part of the science and engineering population that either received a college degree in a science or engineering field, or those who work in a science or engineering occupation with a bachelor's degree or higher in any field. The SESTAT database features labor force and other work-related information, educational information, and family and demographic information. (WRM)