![One million have undiagnosed type 2 diabetes in England](https://i0.wp.com/contentedreader.com/wp-content/uploads/2024/02/132686283_gettyimages-915728548.jpg?resize=768%2C432&ssl=1)
Older adults were more likely to have type 2 diabetes, but younger adults were more likely to be undiagnosed if they did have it – 50% of those aged 16 to 44 years with the condition were undiagnosed, compared with 27% of those aged 75 years and over, according to the estimates.