I used BLS data for hours worked and OECD data (supplied via FRED) for population. Presumably your link is using a narrower demographic, since the numbers are s

I used BLS data for hours worked and OECD data (supplied via FRED) for population. Presumably your link is using a narrower demographic, since the numbers are so much higher. Edit: Yeah, that looks like hours worked per person employed http://research.stlouisfed.org/fred2/series/USAAHWEP http://research.stlouisfed.org/fred2/series/USAAHWEP It's blind to changes in the workforce (like women entering en masse) and isn't appropriate for measuring leisure time in society at large.