A big reason America is falling behind other countries in science and math is that we have effectively written off a huge chunk of our population as uninterested in those fields or incapable of succeeding in them.

Women make up nearly half the work force but have just 26 percent of science, technology, engineering or math jobs, according to the Census Bureau. Blacks make up 11 percent of the workforce but just 6 percent of such jobs and Hispanics make up nearly 15 percent of the work force but hold 7 percent of those positions. There is no question that women and minorities have made progress in science and math in the last several decades, but their gains have been slow and halting. And in the fast-growing field of computer science, women’s representation has actually declined in the last 20 years, while minorities have made relatively small gains.

These jobs come with above-average pay and offer workers a wide choice of professions. Opening them to women and minorities would help reduce corrosive income inequality between whites and other groups, and would narrow the gender gap in wages. Improving the representation of women and minorities would also enrich American scientific research and development, because they will add a different perspective to workplaces currently dominated by white and Asian men.

Moreover, the people who do well in these professions will be much more likely to lead the industry in the future and make decisions that affect thousands of workers and customers. Many technology companies, including Twitter until recently, have no women on their board of directors, and few blacks and Hispanics in senior management roles, in part because too few girls and minorities are becoming programmers and engineers.

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