Why don’t you think medical care is a big factor? Do you have any logical reason or data to back that claim up? If what you think is right and family care is more important factor, then life expectancy would have been way higher in the past (which it wasn’t). Moreover countries like Bangladesh would be high in the life expectancy chart along with Singapore.

What I mean is that it's not the biggest differentiator among developed countries. Not talking about developing vs developed countries here. Basically what makes you an outlier in terms of longevity is not medical care.

>>No, I dont think the medical care is that much of a big factor. I think what matters for countries involved is "family care". I.e. how much are your siblings/relatives/kids going to take care of you as you get old. Compare this with the survival of people who are left alone in nursing homes, they lose many years of their potential lives.

Isn't Japan notorious for doing the opposite? At least it made the news....

"Several reasons for the increase in kodokushi have been proposed. One proposed reason is increased social isolation. A decreasing proportion of elderly Japanese people are living in multi-generational housing and are instead living alone.[6] Elderly people who live alone are more likely to lack social contacts with family and neighbors, and are therefore more likely to die alone and remain undiscovered." https://en.wikipedia.org/wiki/Kodokushi

> Isn't Japan notorious for doing the opposite? At least it made the news....

It's not because it makes the news that it's quantitatively important. Murders make the news in Japan the whole time yet Japan is one of the safest countries around.