says "People 15 years old and over beginning with March 1980, and people 14 years old and over as of March of the following year for previous years." seems it would be reduced by full-time students, retired people earning Social Security, etc.
> This post shows an average in every region more than double that.
says "this report reveals some of the rapidly changing dynamics in how companies of all sizes are compensating their employees." seems it only includes employees and thus would not include students, retired, etc.