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2013 Census Usually Resident Population Counts
Embargoed until 10:45am  –  15 October 2013
Data quality

This section contains information that does not change between releases.

Census counts not directly comparable with estimated resident population

Census counts are not directly comparable with our regularly published population estimates. The estimated resident population is higher than the census usually resident population count because the estimates make an allowance for net census undercount and residents who are temporarily overseas at the time of the census. They also have a different reference date – 5 March for the 2013 Census and 30 June for population estimates.

Currently, population estimates are based on 2006 Census data. New national and subnational estimates using the 2013 Census results as a base will be published in August 2014, after estimates of net census undercount (from the 2013 Post-enumeration Survey) and residents temporarily overseas (from international travel and migration data) are available.

2013 Post-enumeration Survey results to be released March 2014

The Post-enumeration Survey is a sample survey to check the accuracy of coverage (census undercount and overcount) of the Census of Population and Dwellings.

Seven-year gap between censuses may affect trends

Because the 2011 Census was cancelled after the Canterbury earthquake on 22 February 2011, the gap between this census and the last one is seven years. The change in the data between 2006 and 2013 may be greater than in the usual five-year gap between censuses. Be careful when comparing trends.

More information

More information about census usually resident population counts


While all care and diligence has been used in processing, analysing, and extracting data and information in this publication, Statistics NZ gives no warranty it is error-free and will not be liable for any loss or damage suffered by the use directly, or indirectly, of the information in this publication.


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