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Review of the Official Ethnicity Statistical Standard 2009
Inter-censal Ethnic Mobility Study, 2001–06

What is ethnic mobility?

The phenomenon of people changing their response to the ethnicity question over time is generally referred to as ethnic mobility.

What are the purposes of the study?

  • to provide information about the extent to which people changed their response to the ethnicity question in the 2001 and 2006 Censuses of Population and Dwellings
  • to inform the Review of the Official Ethnicity Statistical Standard
  • to update the parameters of the model used by Statistics New Zealand to produce ethnic population projections
  • to investigate the increase in ‘New Zealander’ responses in the census ethnicity question.

Who makes up the study population?

The study population is those people who in the 2006 Census reported that they were resident in New Zealand at the time of the 2001 Census.

What methods does the study use?

The study will link individual records from the 2001 and 2006 Censuses of Population and Dwellings so that individual responses made at the two censuses can be compared.

How are the individual records linked?

Individual records for the study population are linked probabilistically(1) using date of birth, sex, and geographic location (ie meshblock or area unit) variables.

(1) By the use of probability theory.

How are the results of the linking analysed?

After the responses to the ethnicity question from the two censuses are compared, the results are presented for analysis in gross flow tables.(2) The gross flow tables describe the magnitude of movements and non-movements between various ethnic categories. The tables are analysed by socio-demographic characteristics to determine factors associated with variation in ethnic mobility.

(2) Gross flow tables show people changing their responses from one ethnic group to another.

When can the results of the study be accessed?

The results have been cited in the Final Report of a Review of the Official Ethnicity Statistical Standard, whichwas published in October 2009. Details of the study can be found in appendix 2 of that report.

Privacy Impact Assessment for the Inter-censal Ethnic Mobility Study, 2001–06

This privacy impact assessment examines any possible privacy risks related to this study. The Government Statistician considered this assessment when he gave his permission for the study to be undertaken.

Printable version

The downloadable file is in Adobe Acrobat format. If you do not have the Adobe Acrobat Reader, you may download the reader to view or print the contents of this file.

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