How State Minimum Wages Stack Up

6 states plus the District of Columbia have already approved minimum wage hikes this year.

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Seattle lawmakers approved a minimum wage hike to $15 on Monday, making it the highest in the country, while Washington’s state hourly wage, at $9.32, is already the highest in the U.S. A total of 22 states, as well as the District of Columbia, currently have minimum wages above the federal hourly minimum of $7.25, according to the Labor Department. The graph shows the states with hourly minimum pay of at least $8.

[READ: Will Other Localities Follow Seattle's Lead in Raising the Minimum Wage?]

Of the six states that have already voted in 2014 to raise wages, Hawaii, Maryland and Connecticut all intend to increase their pay to $10.10 an hour, the level proposed by Congressional Democrats and backed by President Barack Obama as a federal minimum. Before Vermont lawmakers adjourned for the year, they approved a minimum wage hike to $10.50 by 2018, which would make it the highest in the country. Gov. Peter Shumlin, a Democrat, is expected to approve the measure.