Being on disability - which is what this data shows - precludes you being employed 99% of the time. It also legally limits how much you can be employed.

The rules are complex, but for every $1 you earn you lose roughly $0.50 in benefits, until they quickly reach $0 for even a modest job.

Fewer than 1 percent of those who were on the federal program for disabled workers at the beginning of 2011 have returned to the workforce since