Tax class 1: the default one for singles, divorced, widowers and none married couples Tax class 2: for single parents Tax class 3: in a married couple for the partner that has a high salary difference Tax class 4: married couple with similar income or no high difference Tax class 5: in a married couple for the partner that has the lower salary or no income Tax class 6: for individuals with mutliple incomes

Your tax class is attributed automatically when you first registered in Germany. If you registered with your married partner, the tax class 4 is attributed for each of the partner. Please check with your company this information. A change of a tax class is a personal decision. We recommend you to consult a tax advisor in Germany.