A U.S. Report Card

At a glance

40.1 million people have diabetes, and 1 in 4 don't know they have it. People who have diabetes are at higher risk of serious health complications discussed below; however, type 2 diabetes can be prevented and diabetes can be managed.

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Last updated: February 11, 2026

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Diabetes

A US Report Card

Diabetes

40.1 million people have diabetes.
That's about 1 in every 8 people.
More than 1 in 4 adults with diabetes don't know they have it.

Prediabetes

115.2 million American adults—more than 2 in 5—have prediabetes.
8 in 10 adults with prediabetes don't know they have it.

Cost

$640 Billion

Diabetes accounted for 25% of all health care spending in 2021.

Medical costs for people with diabetes are more than twice as high as for people without diabetes.

Risks

People who have diabetes are at higher risk of serious health complications:

  • Blindness
  • Kidney failure
  • Heart disease
  • Stroke
  • Loss of toes, feet, or legs

Common Types of Diabetes

Type 1

Body doesn't make enough insulin

  • Can develop at any age
  • No known way to prevent it

In adults, type 1 diabetes accounts for approximately 5-10% of all diagnosed cases of diabetes.
Just over 21,700 youth diagnosed in 2022

Type 2

Body can't use insulin properly

  • Can develop at any age
  • Most cases can be prevented

In adults, type 2 diabetes accounts for approximately 90-95% of all diagnosed cases of diabetes.
Nearly 14,500 youth diagnosed in 2022

Risk factors for type 2 diabetes:

  • Being overweight
  • Having a family history
  • Being physically inactive
  • Being 45 or older

1.5 million people 18 years or older diagnosed with diabetes in 2023

What can you do?

You can prevent or delay type 2 diabetes

  • Eat healthy
  • Be more active
  • Lose weight

Learn more about preventing type 2 diabetes or speak to your doctor.

You can manage diabetes

  • Work with a health professional
  • Eat healthy
  • Stay active

Learn more about living with diabetes or speak to your doctor.