Select the country where you are a tax resident below that is relevant to you to find out the details of the taxation of a particular income.
Also, general information about what tax residency is and how it affects your tax liability can be found here.
If you do not yet know which country you are a tax resident of, then find out the criteria for tax residence in each country that is relevant to you.
If you are also interested in property taxes or other taxes that do not depend on tax residency, then find the information you need here.