GDP is the standard measure of the value of the production activity (goods and services) of resident producer units. Regional GDP is measured according to the definition of the System of National Accounts (SNA).To make comparisons over time and across countries, it is expressed at constant prices (year 2005), using the OECD deflator and then it is converted into USD purchasing power parities PPPs) to express each country’s GDP in a common currency.
GDP per capita
GDP per capita is calculated by dividing the GDP of a country or a region by its population.
Regions in OECD Member Countries have been classified according to two territorial levels (TL). The higher level (Territorial Level 2) consists of about 363 larger regions while the lower level (Territorial Level 3) is composed of 1 802 smaller regions. This classification - which, for European countries, is largely consistent with the Eurostat classification - facilitates greater comparability of regions at the same territorial level. The differences with the Eurostat NUTS classification concern Belgium, Greece and the Netherlands where the NUTS 2 level correspond to the OECD TL3 and Germany where the NUTS1 corresponds to the OECD TL2 and the OECD TL3 corresponds to 97 spatial planning regions (Groups of Kreise). For the United Kingdom the Eurostat NUTS1 corresponds to the OECD TL2.
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