The original version of this report contained errors in Table 5.H1. Some of the values for “Disabled-worker families” comprising a worker, wife, and either 1 child or 2 or more children were incorrect for 2004 and 2006. The corrected values now appear in this report.

The original print and web versions of this report contained an error in Table 6.B1. Data shown for columns “One-half or more of entitlement months” and “Less than one-half of entitlement months” were incorrectly transposed. Corrected data now appear in the web versions of this report.

The original print and web versions of this report contained an error in Table 3.E3. Footnote e, reading “Less than 0.05 percent,” was incorrect. The corrected footnote, “Less than 0.5 percent,” now appears in the web versions of this report.

The original print and web versions of this report contained errors in the Health Care—Medicare section of Highlights and Trends. For “Number of enrollees in July 2007 (one or both of Parts A and B),” the values given for all, aged, and disabled enrollees were incorrect. The correct values of 44.3 million, 37.0 million, and 7.3 million, respectively, now appear in the web versions of this report.

The original print and web versions of this report contained errors in Table 5.F9. The number, cumulative percentage, and average monthly benefit values in the 1969 row were incorrect. The correct values are 2,190, 99.9, and 742.60, respectively. These errors have been corrected in the Web versions of this report.

The original print and web versions of this report contained errors in Table 2.A16. For December 1994, the values given for the three highest AMW brackets (“next 175,” “next 250,” and “next 50,” the three rows shown at the bottom of the column) were incorrect. The correct values are 21.09, 20.56, and 20.00, respectively. These errors have been corrected in the Web versions of this report.

The original print and web versions of this report contained the following errors:

• In Table 2.A12, the "amount (dollars)" for the special minimum primary insurance amount (PIA) for 1981 was incorrect. The correct value is 5,550.
• In Table 8.B1, the number of "persons served per 1000 enrollees, Hospital Insurance, Inpatient hospital" for 1990 was incorrect. The correct value is 194.
• In Table 8.B2, the number of "persons served (thousands), Hospital Insurance" for 2006 was incorrect. The correct value is 1,277.

The original web version of this report contained errors in Table 6.D7. The numbers of nondisabled widows and widowers aged 60, disabled widow(er)s aged 50–54, and widowed mothers and fathers aged 65 were incorrect; these errors were detected prior to print publication and have been corrected in the web version of this report.