What is the goal of this exercise? Do you mean to test if one could say that even if Slovenia is different from the flat-tax countries, relative to Germany, Slovenia's tax rates are still very low?

If so, I ask you to define me the inputs I should look up in the form of a formula.

Now I can say the following [pdf!]:

• income tax: steps are 16%-27%-41%, the last kicking in above €13.600
  
• corporate tax: 22% (annual 1% reductions ongoing)
  
• tax on dividends and interest: 20% (raised 5% recently)
  
• capital gains tax: 20%, reducing to zero for 20-year idle holdings
  
• payroll tax: steps are 0%-1.1%-2.3%-4.4%, the last kicks in above €3.129.69 (than halved from one year earlier)
  
• social security contributions, total: employee's part 22.1%, employer's part 16.1%
  
• property tax: vacant building land is locally taxed, buildings have progressive taxes, among these the rate for dwellings is 0.1-1.0%, for business 0.15-1.25%, idle business premises 50%(!), rest/recreation facilities 0.2-1.5%. But there are lots of exemptions that appear to favour small business.

_{*Lunatic*, n.
One whose delusions are out of fashion.}