In 1970, when the golden age of the American middle class was nearing its peak and inequality was at its nadir, only about half of Americans ages 25 and older had a high-school diploma or the equivalent. Today, 90 percent do. Meanwhile, the proportion of Americans attaining a college degree has more than tripled since 1970. But while the American people have never been more highly educated, only the wealthiest have seen large gains in real wages.
~ Nick Hanauer via The Atlantic

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