Type 2 diabetes is by far the most common type of diabetes. About 32 million adults in the US have type 2 diabetes. This is compared to 1.4 million who have type 1 diabetes. Of the adults with type 2 diabetes, about 7.3 million do not know they have it. This means that their diabetes is untreated. This is important because untreated diabetes can cause permanent organ damage.

Diabetes in the US