Are teachers overpaid?

Let's compare teacher salaries in different countries and find out.

(Click for larger image)

You go, USA! Looks like we need to bust up some teachers' unions and get those pay scales down even lower.

(That's sarcasm, for any Republicans/Teabaggers/Libertarians who might show up and find that kind of thing difficult to read. We're starving our teachers; it's not a job that earns significant returns on the major educational investment it takes.)