How many people in are on Medicare?

Refreshed annually
About 312,300, or 21.8% of Hawaii’s population, in 2025. Administered by the Centers for Medicare and Medicaid Services, Medicare is one of the largest federal programs based on spending, providing health insurance coverage primarily to people 65 and older.

312K

enrolled in Medicare programs (2025)

21.8%

of the state's population insured by Medicare (2025)
Between 2015 and 2025, Medicare enrollment in Hawaii grew from 244,900 to 312,300, up 27.5% over the decade.

In 2025, 312,300 Hawaii residents were enrolled across all Medicare programs.

Unique enrollment across all parts of Medicare

While people under 65 may qualify with a disability, end-stage renal disease, or ALS, Medicare primarily serves an older population. In 2025, 294,300 Hawaii residents aged 65 or older were enrolled in at least one part of Medicare — 94.2% of all Medicare beneficiaries in the state.
For comparison, the total 65-and-older population in Hawaii in 2025 was 324,200. That means 90.8% of Hawaii residents in that age group are enrolled in Medicare.

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In 2025, 294,300 people aged 65 and older in Hawaii were enrolled in Medicare.

Unique enrollment across all parts of Medicare, by age group

A state's share of Medicare coverage largely reflects its age distribution. In 2025, Medicare covered 21.8% of Hawaii residents, where 23.3% of the population is aged 65 or older. Hawaii ranks 19th of 50 states in Medicare coverage.
The share of Hawaii residents covered by Medicare has risen from 16.9% in 2015.

In 2025, 21.8% of Hawaii residents were covered by Medicare.

Share of population covered by Medicare and share of population 65 or older

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.