When it comes to income tax, rates vary temendously between countries and depend heavily on earnings, marital status and many other factors.
Which countries force their workers to pay the most income tax? According to the OECD, a single person on an average salary with no children will have to pay the highest income tax rate in Belgium, amounting to 42.8 percent of his or her earnings.
This chart shows the percentage of earnings paid in tax/social security contributions in selected countries.
You will find more statistics at Statista