• 589 million adults (20-79 years) are living with diabetes worldwide – 1 in 9.
  • The total number of adults with diabetes is predicted to rise to 853 million by 2050 – 1 in 8.
  • 4 in 5 adults with diabetes (81%) live in low and middle-income countries.
  • Diabetes caused 3.4 million deaths in 2024 – 1 every 6 seconds.
  • An estimated 43% of adults living with diabetes (252 million people) are undiagnosed. Almost 90% live in low and middle-income countries.
  • Diabetes was responsible for an estimated USD 1.015 trillion in global health expenditure in 2024. This represents a 338% increase over the past 17 years.
  • 635 million adults worldwide (1 in 8) have impaired glucose tolerance and 488 million have impaired fasting glucose (1 in 11) placing them at high risk of type 2 diabetes.
  • 1 in 5 live births are affected by hyperglycaemia in pregnancy

View Global Factsheet

At a glance

Global Data

2000
2011
2024
2050
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Diabetes estimates (20-79 y)
People with diabetes, in 1,000s 151,000.0 366,000.0 588,715.6 852,472.1
Age-standardised prevalence of diabetes, % 4.6 8.5 11.1 13.0
Proportion of people with undiagnosed diabetes, % - 50.0 42.8 -
People with undiagnosed diabetes, in 1,000s - 183,000.0 251,715.4 -
Impaired Fasting Glucose (IFG)
People with IFG, in 1,000s - - 487,714.9 647,474.1
Age-standardised prevalence of IFG, % - - 9.2 9.8
Impaired Glucose Tolerance (IGT)
People with IGT, in 1,000s - 280,000.0 634,768.2 846,479.9
Age-standardised prevalence of IGT, % - 6.5 12.0 12.9
Mortality attributable to diabetes (20-79 y)
Deaths attributable to diabetes - 4,600,000.0 3,438,500.0 -
Proportion of diabetes-related deaths in people 20-79 y, % - - 9.3 -
Hyperglycaemia in pregnancy (HIP) (20-49 y)
Live births affected by HIP - - 23,333,164.5 -
Prevalence of gestational diabetes mellitus (GDM), % - - 15.6 -
Live births affected by other types of diabetes first detected in pregnancy - - 2,301,922.9 -
Live births affected by other types of diabetes detected prior to pregnancy - - 2,561,740.2 -
Diabetes-related health expenditure
Total diabetes-related health expenditure, USD million - 465,000.0 1,014,758.3 1,043,208.0
Total diabetes-related health expenditure, ID million - 499,000.0 1,503,893.4 1,625,616.9
Diabetes-related health expenditure per person, USD - 1,274.0 1,760.3 1,253.1
Diabetes-related health expenditure per person, ID - 1,366.0 2,608.7 1,952.8
Type 1 diabetes estimates in children and adolescents
People with type 1 diabetes (all age groups) - - 9,149,745.0 -
People with type 1 diabetes (0-19 y) - - 1,809,574.0 -
Demographics
Total adult population (20-79 y), in 1,000s 3,288,795.0 4,407,000.0 5,301,696.5 6,582,467.5
Population of children and adolescents (0-19 y) - - 2,667,335,897.0 -
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Diabetes estimates (20-79 y)
People with diabetes, in 1,000s 151,000.0
Age-standardised prevalence of diabetes, % 4.6
Proportion of people with undiagnosed diabetes, % -
People with undiagnosed diabetes, in 1,000s -
Impaired Fasting Glucose (IFG)
People with IFG, in 1,000s -
Age-standardised prevalence of IFG, % -
Impaired Glucose Tolerance (IGT)
People with IGT, in 1,000s -
Age-standardised prevalence of IGT, % -
Mortality attributable to diabetes (20-79 y)
Deaths attributable to diabetes -
Proportion of diabetes-related deaths in people 20-79 y, % -
Hyperglycaemia in pregnancy (HIP) (20-49 y)
Live births affected by HIP -
Prevalence of gestational diabetes mellitus (GDM), % -
Live births affected by other types of diabetes first detected in pregnancy -
Live births affected by other types of diabetes detected prior to pregnancy -
Diabetes-related health expenditure
Total diabetes-related health expenditure, USD million -
Total diabetes-related health expenditure, ID million -
Diabetes-related health expenditure per person, USD -
Diabetes-related health expenditure per person, ID -
Type 1 diabetes estimates in children and adolescents
People with type 1 diabetes (all age groups) -
People with type 1 diabetes (0-19 y) -
Demographics
Total adult population (20-79 y), in 1,000s 3,288,795.0
Population of children and adolescents (0-19 y) -