This is going to sound a bit wild, and only viable under 70 or so, but I've met a lot of 55-70 expats in walkable southeast asian cities. There's obviously varying circumstances so do the research, but you can almost get adopted by your landlord family, where you're getting home cooked meals, rides, doors held open, etc. This part of the world is so family oriented, it just comes naturally to many of them.

Makes sense. If you travel regularly, you can see that in relative terms, the standard of living in the US has declined relative to many places.