The federal minimum wage has been stuck at $7.25 per hour for 15 years. That‘s $290 a week or $15,000 a year. And millions of workers–domestic caregivers, farmworkers, student workers, tipped wage ...

Erik McGregor/Pacific Press—LightRocket via Getty Images A minimum wage is the lowest wage that a worker may be paid per hour. It's a price floor on hourly wages mandated by federal law.

The three largest low-wage employers in the U.S. in 2012 were Walmart ... Instead, its real value continues to go down, meaning minimum wage employees are essentially being paid less each year.