Yeah, as another data point, Japan, South Korea, Singapore, and Hong Kong are way below the US on the GDP-per-work-hour metric. Yet if you've ever been exposed

Yeah, as another data point, Japan, South Korea, Singapore, and Hong Kong are way below the US on the GDP-per-work-hour metric. Yet if you've ever been exposed to office life in any of them, you'd know that their work/life balance is far more tilted toward work than the US. You'll also notice that they have less per-hour GDP than countries with more statutorily mandated paid leave. I don't think we can really glean anything from this chart as to the effects that vacation time has on productivity.