Political Polling Guidelines

NZ Political Polling Code

Download the 2020 NZ Political Polling Code


Press Release June 2020

With the election fast approaching Research Association New Zealand (RANZ) has updated its Political Polling Code. The Code provides rules for RANZ member organisations who conduct and report on political polls, plus best practice guidelines for those publishing stories on poll results.

The Code review was conducted by a team of polling experts and takes into account technology changes in data collection and reporting methodologies since it was first introduced in 2014.


NZ Electoral Polling Results 2002-2017

Results of polls for the last six elections can be found in the tables below.

Please note:

  • There are two tabs for each election - one showing the election results and poll results in the week leading up to the election.
  • Only polls conducted within a week of the election date are included.
  • The averages at the bottom of each differences tab are actual average percentage point differences.
  • The first number in the "AVG PP Diff” row of each table is the average of the absolute values of the PP differences.

'Understanding and Interpreting Polls' - a free AAPOR/ESOMAR/WAPOR course for journalists Download information here

British Polling Council
- an association of polling organisations that publish polls.
Comparison of opinion polls for general elections HERE

RANZ Polling Statement June 2019

Following the release of two conflicting polls in June, the Research Association NZ statement can be downloaded HERE.

Research Association New Zealand (RANZ), PO Box 65 446, Mairangi Bay, Auckland, New Zealand.

Research Association NZ Privacy Statement and Terms and Conditions

Powered by Wild Apricot Membership Software