Figure 4AFReal value of the federal minimum wage and share of workforce covered by higher state minimums, 1979–2011Source: Authors' analysis of U.S. Department of Labor (2009) and Cooper (2012) update of Shierholz (2009) Share on Facebook Tweet this chart EmbedCopy the code below to embed this chart on your website. Download image Previous chart: « Minimum wage as a share of average hourly earnings, 1964–2013 Next chart: Share of worker hours paid at or below the minimum wage, by gender, 1979–2009 »