Why doesn the SAHIE programs number uninsured plus insured equal the Census 2000 population?
It is substantially different in some cases. The number insured plus the number uninsured for states and the nation equals the Annual Social and Economic Supplement (ASEC) of the Current Population Survey (CPS) population. The definitions of the CPS ASEC population and the Census 2000 population are substantially different. The CPS ASEC, for example, excludes persons living in institutions and military personnel living in barracks. Additionally there are differences in the reference years. The SAHIE program’s estimates of insured plus uninsured equal the 2001 CPS ASEC population estimates for states and the nation. The 2001 CPS ASEC asks questions about health insurance coverage in 2000. The SAHIE program’s estimates are based on a three-year average of the CPS ASEC centered on 2000. We model the averaged estimates for 1999, 2000, and 2001 obtained from the 2000, 2001, and 2002 CPS ASECs. Health insurance coverage is not currently a question on the decennial census or the American Comm
