UK CPI Weights Transport

CPI measure changes in the cost of a representative basket of goods and services. This involves weighting together aggregated prices for different categories of goods and services so that each takes its appropriate share within household budgets. The weights are based on expenditure of households. All the weights used in compiling the measures of consumer price inflation are updated annually to coincide with the general review of the representative items in the basket. The weights are based on the latest available calendar year’s household final consumption expenditure data. Each expenditure class is given an integer weight in parts per thousand, following rounding, so that the sum of the class weights equals 1000. Eurostat is no longer disseminating new data for the UK after Brexit. According UK Office of National Statistics methodology, the UK’s harmonised index of consumer prices (HICP) is the same as the Consumer Prices Index (CPI).