The Department of Census and Statistics (DCS) conducts the Household Income and Expenditure Survey (HIES) under the National Household Sample Survey Program. The HIES is an yearlong sample survey which is conducted in 12 ...

The Household Income and Expenditure Survey (HIES) is the main data source use to calculate poverty indices for Sri Lanka. This survey is conducted by Department of Census and Statistics once in three years and the latest ...