Diabetes affects millions of Americans, and the latest diabetes statistics show how common the condition has become across different ages, backgrounds, and risk groups.
Here, we’re breaking down the most current data on diabetes prevalence, prediabetes, type 1 diabetes, gestational diabetes, treatment, complications, healthcare use, deaths, and costs.
Diabetes can affect circulation and increase your risk of vascular problems, so Delaware Advanced Vein Center provides cardiologist-led treatment for spider veins, varicose veins, deep vein thrombosis, and other conditions that can put your long-term health at risk.
Concerned about swelling, leg discomfort, or other diabetes-related changes? Schedule your consultation today and protect your lifelong vascular health.
Diabetes Prevalence in the United States
How many people in the United States have diabetes?
In 2023, an estimated 40.1 million people in the United States had diagnosed or undiagnosed diabetes.
What percentage of the U.S. population has diabetes?
An estimated 12.0% of the U.S. population has diabetes.
How many people in the United States have diagnosed diabetes?
An estimated 29.1 million people in the United States have diagnosed diabetes, including 28.8 million adults age 18 and older.
What percentage of adults with diabetes are undiagnosed?
An estimated 27.6% of U.S. adults age 18 and older with diabetes are undiagnosed, representing about 11 million people.
Has the number of people living with diabetes increased globally?
Yes. The number of people living with diabetes worldwide increased from about 200 million in 1990 to 830 million in 2022.
What is the lifetime risk of developing diabetes in the United States?
If current trends continue, about 1 in 3 Americans born in 2000 are expected to develop diabetes during their lifetime.
Varicose Vein & Diabetes Statistics
What percentage of people with Type 2 Diabetes have chronic venous insufficiency?
A 2025 systematic review and meta-analysis found that chronic venous insufficiency affected 55% of the patients with type 2 diabetes included across four studies. The prevalence of chronic venous insufficiency was 1.51 times higher among people with diabetes than among those without diabetes.
How common is deep venous incompetence among people with diabetes?
One study found deep venous incompetence in 64% of diabetic patients’ right legs and 70.7% of their left legs. The researchers also reported reduced venous refilling time in 42.7% of right legs and 49.3% of left legs.
How common is diabetes among patients with chronic venous disease?
In a study of 197 patients with chronic venous disease, 17.8% had diabetes. The comparison prevalence in the general population was 8.6%, meaning diabetes was approximately twice as common in the study’s chronic venous disease group.
Is Metformin use associated with varicose vein risk?
In a matched Taiwanese cohort of patients with type 2 diabetes, new varicose veins occurred at a rate of 191.41 cases per 100,000 person-years among patients who had never used metformin, compared with 115.81 cases among patients who had used it. Metformin use was associated with a 40% lower risk, although the observational study did not establish that the medication prevented varicose veins.
Prediabetes Statistics
How many adults in the United States have prediabetes?
An estimated 115.2 million U.S. adults age 18 and older have prediabetes.
What percentage of adults age 65 and older have prediabetes?
An estimated 31.3 million U.S. adults age 65 and older have prediabetes, representing 52.1% of this age group.
Type 1 Diabetes Statistics
How many people in the United States have type 1 diabetes?
An estimated 2.1 million people in the United States have diagnosed type 1 diabetes, including 1.8 million adults aged 20 and older and 314,000 children and adolescents under age 20.
What percentage of U.S. adults with diagnosed diabetes have type 1 diabetes and use insulin?
About 5.7% of U.S. adults with diagnosed diabetes reported having type 1 diabetes and using insulin.
How many Americans under age 20 have diagnosed diabetes?
About 364,000 Americans under age 20 are estimated to have diagnosed diabetes, representing approximately 0.45% of that population.
How many children and adolescents in the United States have diabetes?
In 2021, about 352,000 children and adolescents under age 20 in the United States had diabetes, including 304,000 with type 1 diabetes.
Diabetes by Race, Education, and Lifestyle
Which racial and ethnic groups have the highest rates of diagnosed diabetes?
From 2021 to 2023, diagnosed diabetes rates among U.S. adults were:
- American Indian or Alaska Native: 15.7%
- Black, non-Hispanic: 12.2%
- Hispanic: 11.8%
- Asian, non-Hispanic: 9.7%
- White, non-Hispanic: 7.1%
How does education level affect diabetes prevalence?
Diabetes prevalence decreases as education level increases:
- Less than high school: 13.3%
- High school graduate: 9.9%
- More than high school: 7.0%
What percentage of adults with diabetes use tobacco?
From 2017 through 2020, an estimated 22.1% of U.S. adults age 18 and older with diagnosed diabetes were tobacco users.
Gestational Diabetes Statistics
What percentage of pregnancies are affected by gestational diabetes?
Each year, an estimated 2% to 10% of pregnancies in the United States are affected by gestational diabetes.
What percentage of women with gestational diabetes develop type 2 diabetes?
About 50% of women who develop gestational diabetes later go on to develop type 2 diabetes.
Diabetes Treatment and Medication
What percentage of adults with diabetes do not take medication?
In 2022, 59% of adults aged 30 and older living with diabetes were not taking medication for the condition.
Diabetes Complications and Healthcare Use
What percentage of adults with diabetes have severe vision problems or blindness?
In 2019, 11.8% of U.S. adults age 18 and older with diagnosed diabetes reported severe vision difficulty or blindness.
How many kidney disease deaths are caused by diabetes?
In 2021, diabetes was responsible for approximately 530,000 kidney disease deaths worldwide.
How many hospitalizations involve diabetes in the United States?
In 2018, 8.25 million hospital discharges among U.S. adults age 18 and older included diabetes as a listed diagnosis.
How many emergency department visits involve diabetes in the United States?
In 2018, approximately 17 million emergency department visits among U.S. adults age 18 and older included diabetes as a listed diagnosis.
Diabetes Deaths and Costs
How much does diabetes cost the United States each year?
The total cost of diagnosed diabetes in the United States reached $412.9 billion in 2022.
How many people die from diabetes each year in the United States?
Diabetes was the seventh leading cause of death in the United States, with 95,190 deaths listing diabetes as the underlying cause.
Prevent Diabetes Complications with Cardiologist-Led Vein Care
Diabetes can affect your circulation, especially in your legs, so early treatment for vein symptoms can prevent more serious issues from arising.
At Delaware Advanced Vein Center, Dr. Anthony Alfieri provides cardiologist-led evaluations and minimally invasive treatments to improve circulation, address vein disease, and reduce your risk of future complications.
Schedule your consultation today and protect your lifelong vein health.
Sources
- American Diabetes Association. “Statistics About Diabetes.”
- CDC. “National Diabetes Statistics Report.” January 21, 2026.
- National Institute of Diabetes and Digestive and Kidney Diseases. “Diabetes Statistics.” January 2024.
- World Health Organization. “Diabetes.” November 14, 2024.
- U.S. House of Representatives Diabetes Caucus. “About Diabetes.”
- International Diabetes Federation. “Facts & Figures.” April 7, 2025. https://idf.org/about-diabetes/facts-figures/
- de Castro, Alex Carlos Ferreira, et al. “Systematic Review and Meta-Analysis of the Impact of Diabetes Mellitus on Chronic Venous Insufficiency.” 2025.
- Mani, Raj, Sue Yarde, and Michael Edmonds. “Prevalence of Deep Venous Incompetence and Microvascular Abnormalities in Patients With Diabetes Mellitus.” June 2011.
- Fejfarová, Vladimíra, et al. “The Relationship Between Chronic Venous Insufficiency and Diabetes Mellitus.” February 2017.
- Tseng, Chin-Hsiao. “Metformin Reduces Risk of Varicose Veins in Patients With Type 2 Diabetes.” February 2020.