Raising the minimum wage to $15 an hour was a key plank in the Alberta NDP’s 2015 election platform.

At $10.20 an hour, and $9.20 for employees serving liquor, Alberta’s minimum wage was tied for the lowest in Canada when Rachel Notley became Premier in May, 2015, and the province had the dubious distinction of having the highest level of income inequality and the largest gender income gap.