Alaska, Arkansas, Nebraska and South Dakota had approved proposals to raise their state-level minimum wages over the next few years.
Alaska: The minimum wage will rise from $7.75 to $9.75 by 2016.
Arkansas: The minimum wage will rise from $6.25 to $8.50 by 2017.
Nebraska: From $7.25 today to $9.00 by 2016.
South Dakota: From $7.25 currently to $8.50 next year; it will be adjusted for inflation thereafter.
Here is a list of the other States: