Over the past three decades, the American workforce has seen a widening gap between wages for high and low-skilled occupations and a hollowing out middle-wage jobs, say New York Fed Economists.

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Reducing the dropout rate of women in STEM careers is especially important because women in STEM jobs earn 33 percent more than those in non-STEM occupations and the wage gap between men and women in STEM jobs is smaller than in other fields.

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And we have also raised the skills level so it is only open to graduate-level occupations - and excludes other jobs like careworkers and cooks.

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The majority of military jobs have direct civilian counterparts, and 81% of military careers are in non-combat occupations.

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Middle-skill jobs have declined as a share of occupations across Europe as well, and inequality has increased, though not as much as in America.

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