You might want to read a bit more buddy, it may be why you lost your election.
Live overall for everyone has gotten better over time simple as that. Life expectancy is the longest it ever has been, poverty across the world is the lowest it has been, infant mortality is the lowest it ever has been.
Again, average over time. Did I say America? No, I said the world.
Here is a small piece so you could potentially start, but there are plenty of books on the subject: https://ourworldindata.org/a-history-of-global-living-conditions-in-5-charts
But no, please tell us that you'd rather live in the 1950s than now. I'm sure life was so much better then right? Oh... It wasn't.