Healthspan is the years we live in good health, while lifespan is total years...

https://www.bookmarking-fox.win/healthspan-means-the-years-you-stay-healthy-and-active-not-just-how-long-you

Healthspan is the years we live in good health, while lifespan is total years lived. The US sees a 12.4-year gap between lifespan and healthspan, meaning many live longer but with illness