I'd hypotize that it's got to do with social networks (the real life one), Latin Americans seem to have closer-knit family and friends, and social bonds have be

I'd hypotize that it's got to do with social networks (the real life one), Latin Americans seem to have closer-knit family and friends, and social bonds have been shown to be very helpful for longevity. But it's just my hunch without concrete numbers (in regards to e.g. percentage of old people reporting being lonely, classified by race)