Sex recorded at birth of lone parent (SLPP)

Latest release
Census of Population and Housing: Census dictionary
Reference period
2026

Definition

This variable shows the sex recorded at birth of the usually resident lone parent who was present in a family household on Census night. It includes parents whose children were present in the household on Census night, as well as parents whose children were temporarily absent, provided the parent and child were classified as belonging to the same family.

Scope

Lone parents present in the household on Census night

Categories

CodeCategory
1 Lone parent, sex male 
2Lone parent, sex female
@Not applicable 
VOverseas visitor 

Number of categories: 4 

Not applicable (@) category comprises: 

  • husbands, wives, spouses or partners 
  • children 
  • dependent students 
  • other related individuals 
  • non-family members 
  • visitors (from within Australia) 
  • persons in other non-classifiable households 
  • persons in non-private dwellings 
  • persons in migratory, offshore or shipping SA1s 

See Understanding supplementary codes for more information.

Question(s) from the Census form

What was the person’s sex recorded at birth?

What is the person's relationship to person 1/person 2?

For each person away, complete the following questions

How this variable is created

This variable is created from responses to the sex recorded at birth and relationship in household questions on the Census form. In cases where a child is temporarily absent from the household on Census night, this information would be used to ensure the parent is in scope for this variable. 

History and changes

This variable was first introduced in 2011. 

In 2026, updates were made to the variable name and categories to align with updated wording of questions on the form.   

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