Because they are currently living on not a whole lot, they are not going to need a whole lot in retirement either, because they will be accustomed to having less money.
Before you get all uppity about healthcare costs, just remember there is only one developed country on the entire planet where anyone would even think about that. They don't live in it.
As a reference point, I was reading a very detailed write-up of what a single person would spend in retirement per year, and it was more than double what I was living on working full-time as a Software Engineer.
Because they are currently living on not a whole lot, they are not going to need a whole lot in retirement either, because they will be accustomed to having less money.
Before you get all uppity about healthcare costs, just remember there is only one developed country on the entire planet where anyone would even think about that. They don't live in it.
As a reference point, I was reading a very detailed write-up of what a single person would spend in retirement per year, and it was more than double what I was living on working full-time as a Software Engineer.