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Rate of educational attainment in the U.S., 1940 to 2009
This statistic shows the rate of educational attainment amongst 25 to 34 year olds in the United States each decade from 1940 to 2009. In 1940, 64 percent of 25 to 34 year olds didn't complete high school. In 2009, the share of people who didn't finish high school was down to 12 percent.