How do you calculate total value added as a percentage of gross domestic product?

The total value added of gross domestic product (GDP) for a country is made up of three sectors: agriculture, industry, and “services etc.” “Services etc.” includes any statistical discrepancies noted by national compilers. Manufacturing value added is a subset of industry.

The calculation of value added as a percentage of GDP varies according to the method of price valuation used by a country in its national accounts. If a country reports value added at purchaser prices (VAP), GDP is used as the denominator; while if a country reports value added at basic prices (VAB), gross value added at factor cost is used as the denominator. Note that GDP in the database is measured at purchaser prices. Information about a country's method of price valuation is available in the Primary Data Documentation section of the WDI publication or in the online notes for a country.

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