One important way we don't compare is that healthcare and retirement costs are a massive drag on our economy. Just an hour ago I received an e-mail from my employer letting me know that their 401k matching is decreasing 1% next year, but that they're cool with it because it's still "competitive". The reality is that many Americans working today will never afford to retire. And at some point in the future they will not be able to afford their healthcare either.
How can we talk about productivity and competitiveness when we can't even afford to keep ourselves alive and healthy?
TL;DR; American competitiveness is a joke.