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.
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College Board. (September 30, 2010). Highest level of educational attainment for 25 to 34 year olds in the United States, from 1940 to 2009 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/234586/educational-attainment-rates-in-the-us/
College Board. "Highest level of educational attainment for 25 to 34 year olds in the United States, from 1940 to 2009." Chart. September 30, 2010. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/234586/educational-attainment-rates-in-the-us/
College Board. (2010). Highest level of educational attainment for 25 to 34 year olds in the United States, from 1940 to 2009. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/234586/educational-attainment-rates-in-the-us/
College Board. "Highest Level of Educational Attainment for 25 to 34 Year Olds in The United States, from 1940 to 2009." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Sep 2010, /statistics/234586/educational-attainment-rates-in-the-us/
College Board, Highest level of educational attainment for 25 to 34 year olds in the United States, from 1940 to 2009 ÌÇÐÄÆƽâ°æ, /statistics/234586/educational-attainment-rates-in-the-us/ (last visited July 21, 2026)
Highest level of educational attainment for 25 to 34 year olds in the United States, from 1940 to 2009 [Graph], College Board, September 30, 2010. [Online]. Available: /statistics/234586/educational-attainment-rates-in-the-us/
