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This variable is the sum of the Individual Incomes (INCP) of each family member present in the household on Census Night. Family income only applies to classifiable families in occupied private dwellings. If any person aged 15 and over is temporarily absent, or does not state their income, then the Family Income (FINF) is not derived for that family. Family income is not applicable to non-family households such as group households or lone person households; or to people in non-private dwellings.
Individual incomes are collected as ranges by the census. To enable these range values to be summed, information from the Survey of Income and Housing Costs, which collects income as individual values, is used to estimate the median income within each bracket collected by the census. The relevant median value for each family member is then summed to produce the family income figure.
The same methodology is also used to calculate Household Income (HIND).
The categories of Family Income (FINF) include: 'Partial Income Stated' and 'All Incomes Not Stated'. The first category is used when family members (aged 15 years and over) are temporarily absent or have not stated their income. The second category is used when no family member present (aged 15 years and over) has stated their income.
FINF and HIND are the standard census multiple income classifications and are designed to satisfy a broad range of census requirements. If there is a need to recalculate this variable under different circumstances users can use the derived variable Family Income Derivation Indicator (FIDF) in conjunction with Individual Income (INCP) to create a new family income variable.
See also Family Income Derivation Indicator (FIDF), Household Income (HIND), Individual Income (INCP), Median income.