Ancestry one or two response indicator (ANCRP)

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


This variable indicates whether a person provided one response or two responses to the ancestry question.


All persons


1One response
2Two responses
&Not stated
VOverseas visitor

Number of categories:  4

See Understanding supplementary codes for more information.

Question(s) from the Census form

What is the person’s ancestry?

How this variable is created

This variable is derived from responses to the ancestry question. Respondents can provide up to two ancestries. When a respondent reports one ancestry they are coded to ‘One response’ and when a respondent reports two ancestries, they are coded to ‘Two responses’. Where a respondent does not answer the question, they are coded to ‘Not stated’.

History and changes

This is a new variable for 2021.

Data use considerations

This variable allows data users to understand whether a person provided one or two responses to the ancestry question.

The item non-response rate for the Ancestry question was 6.2% in 2021. This is a decrease from 7.0% in 2016. 

Related variables and glossary terms

  • Ancestry multi response (ANCP)
  • Ancestry 1st response (ANC1P)
  • Ancestry 2nd response (ANC2P)
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