Incidence of insulin-treated diabetes in Australia 2014 presents the latest available national data on new cases of insulin-treated diabetes from the 2014 National (insulin-treated) Diabetes Register.In 2014, nearly 30,000 Australians began using insulin to treat their diabetes—67% had type 2 diabetes, 23% had gestational diabetes, 9% had type 1 diabetes and 2% had other forms of diabetes.Almost 2 in 3 (63%) people diagnosed with type 1 diabetes were aged under 25, whereas almost all (93%) new cases of insulin-treated type 2 diabetes occurred in those aged over 40.