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Sample Size and Response Rate

The response rate between January 2015 and June 2015 was 47%. This is at the low end of response rates achieved since the continuous approach was adopted (response rates have ranged between 46% and 53%).

As Nielsen outlined in the June 2014 report, key drivers of response rates include sampling, questionnaire length and incentives provided to complete surveys.

The Kiwis Count team can correlate response rates closely to questionnaire length.

In the year to June 2015, 2,365 New Zealanders completed the survey, compared to 6,099 in the year to June 2014, 2,371 in the year to June 2013, and 1,121 in the six months to June 2012. This sums to a total of 11,956 New Zealanders completing the survey since the continuous approach began.

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