Managed Care Digest Series®

Managed Care Digest Series^® Spotlight

Primary Share of Type 1 Diabetes Cases Tops That of Type 2 Diabetes in 2024

In 2024, there was a significantly higher share of primary Type 1 diabetes (T1D) inpatient and outpatient cases versus Type 2 diabetes (T2D), exceeding T2D cases by 19 percentage points across all payers.

The Midwest and Northeast regions reported the highest primary shares of all-payer cases for both T1D and T2D in 2024, surpassing all other regions and the national average.

Click here to read the 2025 Health Care Digest^™.

Distribution of All-Payer Inpatient and Outpatient Cases, 2022 and 2023

Key Takeaway

Diabetes rates are rising unevenly across the U.S., with estimated Type 1 diabetes incidence in the Midwest and Northeast regions exceeding the South and West by 25–35%.² By 2060, youth Type 1 diabetes and Type 2 diabetes cases are projected to rise by 65% and 673%, respectively, with Type 2 diabetes disproportionately growing among minority populations.³ These projections highlight the need for regionally tailored, equity-focused interventions.

²Smith, R., et al. (2024). We Are on the Verge of Breakthrough Cures for Type 1 Diabetes, But Who Are the 2 Million Americans Who Have It? Journal of Health Economics and Outcomes Research. Retrieved from https://jheor.org/article/124604-we-are-on-the-verge-of-breakthrough-cures-for-type-1-diabetes-but-who-are-the-2-million-americans-who-have-it. Accessed April 2025.

³Tönnies, T., et al. (2023). Projections of Type 1 and Type 2 Diabetes Burden in the U.S. Population Aged <20 Years Through 2060: The SEARCH for Diabetes in Youth Study. Diabetes Care. Retrieved from https://diabetesjournals.org/care/article/46/2/313/148151/Projections-of-Type-1-and-Type-2-Diabetes-Burden. Accessed April 2025.

⁴Data for 2024 include commercial and Medicaid claims for the full calendar year and Medicare claims for January 1 through September 30, 2024.