There were an estimated 12.1 million cases of diabetes or non-diabetic hyperglycaemia (NDH) in the UK in 2023-24

Estimates are of people aged 16 and over

Diagnosed diabetes

Undiagnosed diabetes estimate

Estimated NDH

Millions

3

6

9

12

Diagnosed diabetes

Undiagnosed diabetes estimate

Estimated NDH

Millions

3

6

9

12