The government of Liechtenstein taxes personal income, business income, and principal (wealth). The basic rate of personal income tax is 1.2%. When combined with the additional income tax imposed by the communes, the combined income tax rate is 17.82%. An additional income tax of 4.3% is levied on all employees under the country's social security programme. This rate is higher for the self-employed, up to a maximum of 11%, making the maximum income tax rate about 29% in total. The basic tax rate on wealth is 0.06% per annum, and the combined total rate is 0.89%. The tax rate on corporate profits is 12.5%.