Medicare Supplement Rate Actions - Q3 Update
Medicare supplement rate increase data is in through July, and carriers continue to pursue large rate increases in an attempt to help mitigate high loss ratios. For most carriers, 2026 average rate increases continued to trend up from 2024 and 2025. As the sample size of approved filings gets larger, the increase amounts are expected to be closer to the final year-end levels.
The charts below summarize the average historical rate increases of the most prominent carriers in the Medicare supplement space. This data pertains only to open blocks of business and does not consider instances where companies are implementing large rate decreases as they re-enter the market using old paper. All carriers besides the largest six have been grouped together as “Other”. Please note that Cigna is now grouped with HCSC.
All groups besides Mutual of Omaha show a larger rate increase in 2026 than in previous years. The data shows that Aetna and Mutual of Omaha were ahead of the market with a large jump in increase amounts from 2024 to 2025. Other carriers took smaller increases in 2025, around 11-13%. Those carriers have taken a 5-9% jump in rate increases in 2026. The 2026 industry average increase for Plan G is 16.8%.
All groups besides Mutual of Omaha display larger increases in 2026 than 2025. You can see that some companies have shown a more gradual reaction to increasing claim trends, while others have acted more swiftly. The 2026 industry average for Plan N is 15.0%.