According to this months US employment figures, 36.3% of the working age population (16-64) are neither employed nor seeking work. This includes students, housewives, disabled, financially independent, etc. So good fraction of the population has avoided the puritanical work-all-the-time ethic.

If you spread out the work hours evenly, everyone would work about 25 hours a week.

If you add in the young and elder, the percentage of non-working people in the US rises to 52%.