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</p>
<p>Here’s a good summary: [A</a> Dozen Facts about America?s Struggling Lower-Middle-Class | Brookings Institution](<a href=“http://www.brookings.edu/research/reports/2013/12/12-facts-lower-middle-class?utm_campaign=brookings-comm&utm_source=hs_email&utm_medium=email&utm_content=11319781&_hsenc=p2ANqtz--SItaIoWw58vcG7mV4xF_fHLy1F9_IHbzQWL5hLtzAN6B3IU51p3-9ly2CIeRWeostZpahBtm8yJNN2WhKDfvaJnktsw&_hsmi=11319781]A”>http://www.brookings.edu/research/reports/2013/12/12-facts-lower-middle-class?utm_campaign=brookings-comm&utm_source=hs_email&utm_medium=email&utm_content=11319781&_hsenc=p2ANqtz--SItaIoWw58vcG7mV4xF_fHLy1F9_IHbzQWL5hLtzAN6B3IU51p3-9ly2CIeRWeostZpahBtm8yJNN2WhKDfvaJnktsw&_hsmi=11319781)</p>