The latest data about the incidence (the number of new cases) of insulin-treated diabetes from the National Diabetes Register are reported here and cover the period 2000 to 2009. During this period, 222,544 people began using insulin to treat their diabetes. Of these, 77% had Type 2 diabetes, 12% had gestational diabetes and 10% had Type 1 diabetes. The remaining 1% had other types of diabetes.