Description of statistical information: Gross Domestic Product (GDP) is one of the main indicators of the National Accounts System (NSS), which describes the country's level of economic development. GDP, its rate of change and gross national income (GNI) are widely used for international comparisons and economic analysis. There are no classifications. Statistical observation unit: national accounts covering the economy as a whole composed of different institutional units. The statistical (survey) population shall comprise all statistical resident observation units. Lithuania's national accounts are comprehensive, i.e. all resident statistical units are covered either directly on the basis of data sources (surveys, administrative data) or through completeness adjustments. Geographical coverage: the economic territory of the country. Time coverage: from QI 1995. Unit (s) of measurement: indices:%. Reference period: calendar quarter.