Healthspan is how long you live free from serious illness, while lifespan is...
https://www.bookmarking-online.win/healthspan-is-about-how-many-healthy-active-years-you-live-not-just-how-long
Healthspan is how long you live free from serious illness, while lifespan is total years lived. Globally, there's a 9.6-year gap between these two, and in the US, it’s even wider at 12.4 years