The 8.7 million adults aged 18+ who met laboratory criteria for diabetes were not aware of having diabetes represent 3.4% of all U.S. adults and 22.8% of all U.S. adults with diabetes.

Diagnosed diabetes was based on self-report. Undiagnosed diabetes was based on fasting plasma glucose and A1C levels among people self-reporting no diabetes.

The 8.7 million adults aged 18+ who met laboratory criteria for diabetes were not aware of having diabetes represent 3.4% of all U.S. adults and 22.8% of all U.S. adults with diabetes.