Percentage of People With a Cognitive Difficulty, Age 18 to 64, 2009-2013

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Percentage of People With a Cognitive Difficulty, Age 18 to 64, 2009-2013 Color coded map of the United States.  States have been grouped into four quartile ranges. The first quartile ranges from 0.0% to 3.3% and includes the states Hawaii, Illinois, Maryland & New Jersey.. The second quartile ranges from 3.4% to 4.6% and includes the states Alaska, Arizona, California, Colorado, Connecticut, Delaware, Washington DC, Florida, Georgia, Indiana, Iowa, Kansas, Massachusetts, Minnesota, Montana, Nebraska, Nevada, New Hampshire, New York, North Carolina, North Dakota, South Dakota, Texas, Utah, Virginia, Washington, Wisconsin & Wyoming.. The third quartile ranges from 4.7% to 6.1% and includes the states Alabama, Arkansas, Idaho, Louisiana, Michigan, Missouri, New Mexico, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee & Vermont.. The fourth quartile ranges from 6.2% to 9.9% and includes the states Kentucky, Maine, Mississippi & West Virginia.