Gross Domestic Product (GDP) is quantified annually via the statistical synthesis operation, Economic accounts, which covers the activity of the economic agents in the Basque Country, taking into account the total monetary value of the current production of goods and services. It lets us see the evolution of the economy in nominal and real terms, presenting the economic analysis on the side of Supply, Demand and Income. Gross Domestic Product is undoubtedly the most important economic macro-figure in the estimation of the productive capacity of an economy.