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

https://www.cool-bookmarks.win/while-lifespan-measures-how-long-we-live-healthspan-focuses-on-how-long-we

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