How long must the average American work to purchase an automobile in 1920?

A typical car’s price during the time averaged at about $1,496.
Let’s take the weekly wage of a factory worker at the time. They were paid about $12/week.
The annual income would be $624. If they worked for two years, they’d have $1,248.
In conclusion, the average factory worker would need to work a little over two years to afford an automobile. Keep in mind that this amount hasn’t accounted for food, tax, rent, etc, an that each wage varies differently.

Probably japan. they got a really high life expectancy.