Data source(s) used: The 19th October 2011 Istat released the new annual series of national accounts based on the most updated versions of the classification of economic activities (Ateco 2007, the national version of Nace Rev. 2) and of products by activity (CPA 2008). At the same time, as in other European countries, the time series of national accounts have been subjected to an extraordinary revision, exploiting advances in methods and sources (e.g. the new balance of payments estimates issued by the Bank of Italy).Household consumption: It consists of the expenditure, including expenditure whose value must be estimated indirectly, incurred by resident households on individual consumption goods and services, including those sold at prices that are not economically significant and including consumption goods and services acquired abroad. It presents the final consumption expenditure of households broken down by the COICOP (Classification of Individual Consumption According to Purpose) classification and by durability.