This fact sheet outlines changes that have been made to variables since the 2006 Census. It includes details of new variables for the 2011 Census and those variables which are no longer included. It describes changes to names, mnemonics and classifications. Further information on variables, indexes and classifications is available in the 2011 Census Dictionary (cat. no. 2901.0).

Variable Description of Change
Ancestry (ANCP) For the 2006 Census, Ancestry was classified using the Australian Standard Classification of Cultural and Ethnic Groups (ASCCEG) Second Edition (2005). For the 2011 Census, Ancestry is classified to the Australian Standard Classification
of Cultural and Ethnic Groups (ASCCEG), Second Edition, Revision 1.
Birthplace of Parents (BPPP) This variable is new for the 2011 Census Dictionary. It indicates if a person's mother and/or father was born in Australia or overseas.
Count of All Children in Family (CACF) This variable is new for the 2011 Census Dictionary. It counts the number of dependent and non-dependent children in the family.
Count of Dependent Children in Family (CDCF) This variable is new for the 2011 Census Dictionary. It counts the number of dependent children in the family.
Count of Dependent Students (15-24) Temporarily Absent (CDSAF) This variable's name has been changed to Count of Dependent Students (15-24 years) Temporarily Absent (CDSAF).
Count of Non-Dependent Children in Family (CNDCF) This variable is new for the 2011 Census Dictionary. It counts the number of non-dependent children in the family.
Count of Persons in Family (CPRF) This variable is new for the 2011 Census Dictionary. It counts the number of persons in a family.
Country of Birth of Father (BPMP) This variable's name has been changed to Birthplace of Male Parent (BPMP).
Country of Birth of Mother (BPFP) This variable's name has been changed to Birthplace of Female Parent (BPFP).
Country of Birth of Person (BPLP) For the 2006 Census, Country of Birth of Person was classified using the Standard Australian Classification of Countries (SACC). For the 2011 Census, this variable is classified using the Standard Australian Classification of Countries (SACC), Second Edition, Revision 1.
Child Type (including grandchildren) (CTGP) This variable is new for the 2011 Census Dictionary. It records the different parent-child relationships within families. Data is available on request.
Educational Institution: Attendee Status (TYSTAP) This variable is new for the 2011 Census Dictionary. It combines information from Type of Educational Institution Attending (TYPP) by Full-Time/Part-Time Student Status (STUP) with age categories.
Family Blending (FBLF) Codes have been amended for this variable for the 2011 Census.
Family Composition (FMCF) Categories have been revised for this variable for the 2011 Census.
Family Household Composition (Dwelling) (HCFMD) This variable is new for the 2011 Census Dictionary. It counts the types of families within family households at the dwelling level.
Family Household Composition (Family) (HCFMF) This variable is new for the 2011 Census Dictionary. It counts the types of families within family households at the family level.
Family Income as Stated (weekly) (FINASF) This variable's name has been changed to Total Family Income as Stated (weekly) (FINASF). The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Family Income (weekly) (FINF) This variable's name has been changed to Total Family Income (weekly) (FINF). The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Family Income Derivation Indicator (FIDF) Codes have been amended for this variable for the 2011 Census.
Full-Time/Part-Time Student Status (STUP) Categories have been revised for this variable for the 2011 Census.
Government/Non-government Employer Indicator (GNGP) This variable's name has been changed to Public/Private Employer Indicator (GNGP). Also, the Commonwealth Government is now referred to as the National Government.
Grandparent Families (FMGF) This variable is new for the 2011 Census Dictionary. It classifies families into different family types depending on the composition of the family, with a focus on grandparent families. Data is available on request.
Hours Worked (ranges) (HRWRP) This variable is new for the 2011 Census Dictionary. It indicates the number of hours worked in ranges by the employed person in all jobs during the week prior to Census Night.
Household Income - Equivalised (weekly) (HIED) This variable's name has been changed to Equivalised Total Household Income (weekly) (HIED). Categories have been revised and some codes have been amended for the 2011 Census.
Household Income as Stated (weekly) (HINASD) This variable's name has been changed to Total Household Income as Stated (weekly) (HINASD). The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Household Income (weekly) (HIND) This variable's name has been changed to Total Household Income (weekly) (HIND). The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Household One Year Mobility Indicator (MV1D) Codes have been amended for this variable for the 2011 Census.
Household Income Derivation Indicator (HIDD) Codes have been amended for this variable for the 2011 Census.
Housing Loan Repayments (monthly) dollar values (HLRD) This variable has been replaced with the new Mortgage Repayments (monthly) Dollar Values (MRED).
Housing Loan Repayments (monthly) ranges (HLRD01) This variable has been replaced with the new Mortgage Repayments (monthly) Ranges (MRERD). The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Imputation Flag for Place of Usual Residence (IFPURP) Categories for this variable have been revised for the 2011 Census.
Indigenous Household Indicator (INGDWTD) This variable is new for the 2011 Census Dictionary. It records households with at least one Indigenous person who is a usual resident and was present in the household on Census Night.
Individual Income (weekly) (INCP) This variable's name has been changed to Total Personal Income (weekly) (INCP). Dollar ranges have been adjusted in line with rises in income.
Industry of Employment (IND06P) For the 2006 Census, Industry of Employment was coded using the Australian and New Zealand Standard Industrial Classification (ANZSIC) 2006. For the 2011 Census, Industry is classified to the Australian and New Zealand Standard Industrial Classification (ANZSIC), 2006 (Revision 1.0). This mnemonic has been changed for the 2011 Census to INDP.
Labour Force Status (LFS06P) This mnemonic has been changed for the 2011 Census to LFSP.
Labour Force Status and Hours Worked Not Stated (LFHRP) This is a new variable for the 2011 Census Dictionary. It combines Labour Force Status (LFSP) with the 'Not stated' category from the Hours Worked (HRSP) variable.
Labour Force Status of Parents/Partners in Families (LFSF) This is a new variable for the 2011 Census Dictionary. It indicates labour force status of parents or partners in couple and lone parent families.
Language Spoken at Home (LANP) For the 2006 Census, Language Spoken at Home was classified to the Australian Standard Classification of Languages (ASCL) Second Edition (revised 2005). For the 2011 Census, it is classified to the Australian Standard Classification of Languages (ASCL), Second Edition, Revision 1.
Level of Highest Educational Attainment (HEAP) For this variable in 2011, data is available on request.
Mortgage Repayments (monthly) dollar values (MRED) This is a new variable for the 2011 Census Dictionary. It replaces the variable Housing Loan Repayments (monthly) dollar values (HLRD) used in previous Censuses.
Mortgage Repayments (monthly) ranges (MRERD) This is a new variable for the 2011 Census Dictionary. It replaces the variable Housing Loan Repayments (monthly) ranges (HLRD01) used in previous Censuses.
Number of Bedrooms in Private Dwelling (BEDD) Categories for this variable have been revised for the 2011 Census.
Number of Bedrooms in Private Dwelling (ranges) (BEDRD) This variable is new for the 2011 Census Dictionary. It contains the number of bedrooms in each occupied private dwelling in ranges.
Number of Children Ever Born (TISP) Categories for this variable have been revised for the 2011 Census.
Number of Children Ever Born (ranges) (TISRP) This variable is new for the 2011 Census Dictionary. It records the number of children ever born (live births) to each female in ranges.
Number of Persons Usually Resident in Dwelling (NPRD) This variable is new for the 2011 Census Dictionary. It counts the number of persons usually resident in an occupied private dwelling.
Number of Motor Vehicles (VEHD) Categories for this variable have been revised for the 2011 Census.
Number of Motor Vehicles (ranges) (VEHRD) This variable is new for the 2011 Census Dictionary. It records the number of registered motor vehicles owned or used by household members, garaged, parked at or near private dwellings on Census Night in ranges.
Occupation (OCC06P) For the 2006 Census, Occupation was coded using the Australian and New Zealand Standard Classification of Occupations (ANZSCO). For the 2011 Census, Occupation is classified to the Australian and New Zealand Standard Classification of Occupations (ANZSCO), First Edition, Revision 1. This mnemonic has been changed to OCCP for the 2011 Census.
Place of Usual Residence Five Years Ago (PUR5P) The categories in this variable have changed to reflect the new geography used for the 2011 Census.
Place of Usual Residence One Year Ago (PUR1P) The categories in this variable have changed to reflect the new geography used for the 2011 Census.
Place of Usual Residence (PURP) The categories in this variable have changed to reflect the new geography used for the 2011 Census.
Place of Work (POWP) The categories in this variable have changed to reflect the new geography used for the 2011 Census.
Proficiency in Spoken English/Language (ENGP01) This mnemonic has been changed for the 2011 Census to ENGLP and codes have been amended.
Relationship as Reported for Couples (RLCP) This variable is new for the 2011 Census Dictionary. It shows the number of people who reported their relationship as 'Husband or wife' (regardless of whether they are a same-sex or opposite-sex couple). Data is available on request.
Relationship in Household (RLHP) Categories have been revised for this variable. A new category 'Other non-classifiable relationship' has been added to RLHP for 2011.
Relationship in Household (including grandchildren) (RLGP) This variable is new for the 2011 Census Dictionary. It describes the relationship of each person in a family to the family reference person or, where a person is not part of a family, that person's relationship to the household reference person. Data is available on request.
Religious Affiliation (RELP) For the 2006 Census, Religious Affiliation was classified to the Australian Standard Classification of Religious Groups (ASCRG) Second Edition (revised 2005). For the 2011 Census, it is classified to the Australian Standard Classification of Religious Groups (ASCRG), Second Edition, Revision 1.
Rent (weekly) ranges (RNTD01) The mnemonic for this variable has been changed to RNTRD. The categories for dollar ranges have been revised for the 2011 Census. Some codes have also been amended.
Same Sex Couple Indicator (SSCF) This variable is new for the 2011 Census Dictionary. It indicates whether or not a family are a same-sex couple.
Sex of Lone Parent (SLPP) This variable is new for the 2011 Census Dictionary. It indicates the sex of a lone parent.
Social Marital Status (MDCP) Codes have been amended for this variable for the 2011 Census.
Supported Accommodation Flag (SAFD) This variable is new for the 2011 Census Dictionary. The Supported Accommodation Flag (SAFD) includes accommodation specified by state/territory bodies as providing supported accommodation for persons without a permanent residence. Data is available on request.
Tenure Type (TEND) Categories for this variable have been revised for the 2011 Census.
Tenure and Landlord Type (TENLLD) This variable is new for the 2011 Census Dictionary. It combines Tenure Type (TEND) and Landlord Type (LLDD) to provide more detailed information for rented dwellings.
Usual Address Five Years Ago Indicator (UAI5P) Descriptors with years and categories have been revised for 2011.
Usual Address Indicator Census Night (UAICP) Descriptors for these categories have changed for 2011. Some codes have also been amended.
Usual Address One Year Ago Indicator (UAI1P) Descriptors with years have been revised for 2011.
Year of Arrival in Australia (YARP) Categories for this variable have been updated for 2011.
Year of Arrival in Australia (ranges) (YARRP) This variable is new for the 2011 Census Dictionary. For people born overseas, it records the year they first arrived in Australia in ranges.


For further information on the changes between the 2006 and 2011 Censuses, see Chapter 6 in the ABS publication Information Paper: Census of Population and Housing - Products and Services, 2011 (cat. no. 2011.0.55.001).