Danes enjoy a high standard of living and the Danish economy is characterised by extensive government welfare provisions. Denmark has a corporate tax rate of 22% and a special time-limited tax regime for expatriates. The Danish taxation system is broad based, with a 25% value-added tax, in addition to excise taxes, income taxes and other fees. The overall level of taxation (sum of all taxes, as a percentage of GDP) was 46% in 2017. The tax structure of Denmark (the relative weight of different taxes) differs from the OECD average, as the Danish tax system in 2015 was characterized by substantially higher revenues from taxes on personal income and a lower proportion of revenues from taxes on corporate income and gains and property taxes than in OECD generally, whereas no revenues at all derive from social security contributions. The proportion deriving from payroll taxes, VAT, and other taxes on goods and services correspond to the OECD average