Value-added tax

A value-added tax (VAT), known in some countries as a goods and services tax (GST), is a type of general consumption tax that is collected incrementally, based on the surplus value, added to the price on the work at each stage of production, which is usually implemented as a destination-based tax, where the tax rate is based on the location of the customer. VATs raise about a fifth of total tax revenues both worldwide and among the members of the Organisation for Economic Co-operation and Development (OECD). As of 2014, 160 of the world's approximately 193 countries employ a VAT, including all
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