Having two or three jobs is not really conductive to free time.
In the US per official data ~5% have more than one job (and that includes lawyers doing consultancy for example) https://fred.stlouisfed.org/series/LNS12026620
alt Hacker News
In the US per official data ~5% have more than one job (and that includes lawyers doing consultancy for example) https://fred.stlouisfed.org/series/LNS12026620