You should try meeting a Euro sometime, most of them are lovely people!
Also, look at this, and see all the people you might meet:
I think you're missing what an "effective tax rate" is. If your country's income tax is 0% on the first 10k, 10% on the next 10k, and 20% after that and you earn 40k, your effective tax rate is:
The wiki page does not show that data.