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How many people are affected/at risk for diabetes?

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According to the Centers for Disease Control and Prevention, diabetes is now estimated to affect 25.8 million Americans, or 8.3% of the population. Seven million of these people are undiagnosed.1

More specifically, the number of people affected or at risk are:

  • Type 1: Approximately 215,000 people age 20 or younger have this form of diabetes and it’s estimated that close to 16,000 more are diagnosed every year.2 About 1 million people in the United States have type 1 diabetes.
  • Type 2:
    • Type 2 diabetes is the most common form of diabetes in the United States, accounting for almost all of the 25.8 million total: 25.6 million American adults aged 20 and older have it.2
    • It is more common in certain ethnic groups: specifically African Americans, Latinos, Native Americans, Alaskan natives, Asian Americans, and Native Hawaiians and other Pacific Islanders.3 At 18.7%, African Americans are the largest segment of ethnicities affected, or 77% higher than whites.4
    • Older adults, especially ages 65 and up, are most often affected: 10.9 million—almost 27%—develop it.2
  • Gestational: Although current estimates suggest that gestational diabetes develops in approximately 5% of all U.S. pregnancies, or about 200,000 cases a year, the definition of gestational diabetes is currently in flux. Research findings from the Hyperglycemia and Adverse Pregnancy Outcomes (HAPO) suggest that the definition of gestational diabetes might need to change, which would in turn affect the number of pregnancies affected by the condition.5

Also, 79 million adults ages 20 and older2 are already in the stage known as prediabetes and are at risk for type 2 diabetes.


  1. Centers for Disease Control and Prevention (n.d.). National diabetes fact sheet: national estimates and general information on diabetes and prediabetes in the United States, 2011, 2011. Retrieved May 21, 2012, from http://www.cdc.gov/diabetes/pubs/pdf/ndfs_2011.pdf (PDF - 2.66 MB) [top]
  2. National Institute of Diabetes and Digestive and Kidney Diseases Diabetes Information Clearinghouse website (2011, December). National diabetes statistics, 2011. Retrieved May 21, 2012, from http://diabetes.niddk.nih.gov/dm/pubs/statistics/DM_Statistics_508.pdf (PDF - 646 KB)[top]
  3. American Diabetes Association (n.d.). Retrieved May 21, 2012, from http://www.diabetes.org/diabetes-basics/type-2/?loc=DropDownDB-type2 External Web Site Policy [top]
  4. National Diabetes Education Program (n.d.). The facts about diabetes: a leading cause of death in the U.S. Retrieved May 23, 2012, from http://ndep.nih.gov/diabetes-facts/index.aspx#cost [top]
  5. Sacks D.A., Hadden D.R., Maresh M., Deerochanawong C., Dyer A.R., Metzger B.E., et al. (2012). HAPO Study Cooperative Research Group, Frequency of gestational diabetes mellitus at collaborating centers based on IADPSG consensus panel-recommended criteria: the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study. Diabetes Care, 35(3), 526-528. [top]

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Last Updated Date: 11/30/2012
Last Reviewed Date: 11/30/2012
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