Household income derivation indicator (HIDD)
This variable identifies households where people were absent from the dwelling on Census Night, did not state their income, or stated a negative income.
Occupied private dwellings
|No members aged 15 years and over temporarily absent|
|All incomes stated|
|1||No negative incomes stated|
|2||One or more negative incomes stated|
|One or more incomes not stated|
|3||No negative incomes stated|
|4||One or more negative incomes stated|
|One or more members aged 15 years and over temporarily absent|
|Incomes stated for all members present|
|5||No negative incomes stated|
|6||One or more negative incomes stated|
|One or more incomes of members present not stated|
|7||No negative incomes stated|
|8||One or more negative incomes stated|
Number of categories: 9
Not applicable (@) category comprises:
- Non-private dwellings
- Unoccupied private dwellings
- Migratory, off-shore and shipping SA1s
- Other non-classifiable households
Question(s) from the Census form
What is the total of all income the person usually receives?
How this variable is created
This variable is derived from the following variables:
To identify households with members aged 15 years and over temporarily absent on Census Night the following variables are used:
History and changes
This variable was first introduced in the 1991 Census.
No changes have been made for 2021.
Data use considerations
This variable allows household income to be derived from individual incomes based on certain conditions as listed in the categories.
Household income derivation indicator can also be used:
- to remove these households from the population of a table, or to estimate the impact on total household income caused by negative income or people away from the dwelling on Census Night
- in conjunction with Total personal income (weekly) (INCP) to create a new household income variable.
This variable does not have a non-response rate as it is created during Census processing by using responses from more than one question on the Census form.