via New America / Flickr

Over the past decade, activists have been fighting for the U.S. to raise the federal minimum wage to $15 an hour. The $15 threshold, which is more than double the federal minimum wage of $7.25, is seen by many as a "living wage."

Some states have higher minimum wages than the $7.25 standard, with California being the top at $14. However, 21 still linger in the $7.25 zone.

Given such paltry wages, it's no wonder why the U.S. is currently having a "labor shortage." Maybe it'd be more appropriately labeled a wage shortage?

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