The net available household income is calculated as the sum of all earned income plus any income from capital and pensions as well as any social transfers of all household members. Taxes and social security contributions are deducted; other payments between households are added or deducted. The reference period is a calendar year. To make households of different sizes comparable, an equivalised net household income is calculated: using the EU scale, one adult is taken as the reference point and is allocated a weight of 1; for each additional adult, the assumed resource requirement increases by a weight of 0.5 and for each child under the age of 14, by 0.3. This equivalised net household income is the basis for indicators on poverty and social inclusion.
In Austria these measures are obtained by a combination of administrative and questionnaire data from the yearly EU-SILC surveys. EU-SILC is short for European Union Statistics on Income and Living Conditions.