The 2005 and 2006 Current Population Survey (CPS) Annual Social and Economic Supplement (ASEC) data were revised in March 2007 to improve the consistency of estimates for the insured and uninsured as part of ongoing efforts to improve the quality of Census Bureau data. Because the data after the revision is not consistent with earlier data, the Census Bureau introduced a new historical series (HIA-1 to HIA-8) and discontinued the original series. The data for 1999 to 2003 presented in these tables (from ASEC's 2000 to 2004) were revised using an approximation method for consistency with the revision to the 2004 and 2005 estimates (2005 and 2006 ASEC’s). For more information on the revised CPS ASEC Health Insurance Data, Click here
For more information from the original historical series available from 1987 to 2005, go to the Original Historical Series.