Q&A: The science of... political polls
Confused by this election's poll swings? Professor Thomas Lumley answers some questions.
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Volatility defines this election
OPINION: Bryce Edwards on the twists, turns, leadership changes, and poll results.
Remaining Green voters 'mainly hippies and drug addicts'
The Green Party's support has fallen to just 4 per cent, according to a recent poll.
Pollwatch: Labour surges, Greens slump
Toby Manhire weighs up the results from Newshub's political polls.
Gareth Morgan a fan of Ardern
Top's Gareth Morgan says he is a big fan of new Labour leader Jacinda Ardern.
UK and US results make NZ pollsters nervous
Pollsters are downplaying a Trump or Corbyn-like shock in the NZ election.
Opposition parties in virtual dead heat
The latest poll canvassed views not just views on political parties but on what impact a Donald Trump presidency would have on New Zealand.
Ponytail fails to shake PM
The ponytail-pulling antics of John Key appear to have had no immediate impact on his party or personal popularity, our Herald-DigiPoll survey suggests.
Key slumps in latest poll
John Key has plunged in personal popularity, dropping by 7.3 points, and Labour leader David Cunliffe has jumped by 3.9 points in the latest Herald DigiPoll survey.
Conservatives close in on five per cent
The Conservative Party is within a whisker of the 5 per cent threshold in the latest TV3 poll, but its rival party New Zealand First remains over it.
Poll: Dirt doesn't stick to Nats
National's polling has barely flickered in the three weeks since the Dirty Politics book was launched the latest Herald-Digipoll reveals.
Greens free travel a hit with students
New Zealanders are strongly in favour of a proposal to give tertiary students free trips on public transport, a Herald-DigiPoll survey shows.
Nats fly high, new party nibbles Greens
New Herald poll shows Internet-Mana would get two MPs, as their success eats into the Greens vote while National is still well ahead of Labour.
Cunliffe: 'We've got more work to do'
David Cunliffe says National's support will corrode over perceptions of crony capitalism - but admits there's more work for Labour to do after today's abysmal poll result.
Nats soar, Labour dives in new poll
Labour's support has sunk nearly six points and it is polling only 29.5 per cent in the Herald-DigiPoll survey.
Labour rockets in poll
John Key puts Labour's rocketing rise in a new Herald-Digipoll down to coverage of its recent leadership race.
Labour, Greens overtake National
Support for Labour and Greens has overtaken National as Parliament debates controversial spying law changes, the latest Morgan Poll shows.
Council won't support convention deal
The Auckland Council has voted not to support the $400 million national convention centre for pokies deal on the eve of the Government and SkyCity signing off the deal.
Claire Trevett: Rough going for Labour's battered rickshaw
If polling tracks were Roads of National Significance, then National is in a people-mover on the Waikato Expressway, writes Claire Trevett.
Support disappears for convention deal
Public opinion has turned against the Government's SkyCity international convention centre deal just days before it is due to be signed off.
Poll shock: Labour, Shearer take dive
Voter support for Labour and its leader, David Shearer, has slumped in the latest Herald-DigiPoll survey which he's admitted came as 'a surprise'.
John Armstrong: Time for the unthinkable for Labour
Labour desperately needs to review both how it takes the fight to National and how it should treat its would-be partners in government - the Greens and NZ First.
Most voters want inquiry into spying
A majority of voters want an inquiry into the GCSB spy agency and the SIS, the latest Herald DigiPoll survey shows.
Voters divided on four-year term
Voters are almost evenly split on whether the parliamentary term should be extended from three to four years in the latest poll.
Electoral bliss slips for Mr Popularity
There is no time limit on a honeymoon, but they usually do not last for more than four years and almost certainly do not last that long in politics.
Labour rises at expense of allies
Labour and its leader David Shearer have had a boost in support in the latest Herald-DigiPoll survey - but it appears to have come at the expense of its potential coalition allies.