Let me quote the first paragraph, which you apparently didn't read:
...46.2 million people...lived below the official poverty level...10.4 million individuals were among the “working poor”
in 2011... The
working poor are persons who spent at least 27 weeks in
the labor force (that is, working or looking for work )
...46.2 million people...lived below the official poverty level...10.4 million individuals were among the “working poor” in 2011... The working poor are persons who spent at least 27 weeks in the labor force (that is, working or looking for work )