Medicare Supplement Market Grows to 13.8M Enrollees in 2025, Plan G Dominates
Event summary
- Medicare Supplement plans covered 13.8 million seniors as of December 31, 2025.
- Plan G was the most popular, enrolling 6.3 million members, while Plan F accounted for 4.2 million.
- Total premiums reached $40.4 billion with claims payouts of $34.5 billion, resulting in an 85.5% loss ratio.
- UnitedHealth led the market with 4.27 million members, leveraging its AARP partnership.
The big picture
The Medicare Supplement market's growth to 13.8 million enrollees reflects the increasing demand for supplemental coverage among seniors. Plan G's dominance highlights a shift in consumer preferences toward cost-effective options. UnitedHealth's leadership, bolstered by its AARP partnership, underscores the strategic importance of long-term contracts in this competitive space. The market's financial performance, particularly the loss ratio, will be critical to monitor as healthcare costs continue to rise.
What we're watching
- Plan Popularity
- Whether Plan G can maintain its dominance as the preferred Medicare Supplement option.
- Market Competition
- How UnitedHealth's leadership position will evolve with its AARP partnership.
- Financial Performance
- The sustainability of the 85.5% loss ratio amid rising healthcare costs.