The consumer price index (CPI) is a measure of change over a specified period of time in the general level of prices of goods and services that a given population acquires, uses or pays for consumption. It compares a household's cost for a specific basket of finished goods and services with the cost of the same basket during an earlier benchmark period. Euro area with 13 Member States (Belgium, Germany, Spain, France, Ireland, Italy, Luxembourg, Netherlands, Austria, Portugal, Slovenia, Finland, Greece) from 01/01/2007 till next euro area enlargement.