The Household budget survey, abbreviated as HBS, is a national survey focusing on households' expenditure on goods and services, giving a picture of living conditions in island . It is used to compile weightings for important macroeconomic indicators, such as consumer price indices (used as measures of inflation) and national accounts.

The data from the survey are broken down by household characteristics, such as income, socio-economic characteristics, size and composition. Data collection involves a combination of one or more interviews and diaries or logs maintained by households and/or individuals, generally on a daily basis.