Their score of 91 points was the highest score of the World Cup so far. Wings Caleb Ralph and Doug Howlett, and full-back Mils Muliaina all bagged a brace of scores as the tournament favourites trounced Tonga by an 84 point margin.
Wales could only manage a 27-20 win over Tonga last weekend.
Wales and New Zeland meet in the last round of Pool matches next week. wru.co.uk will have full build up and match coverage.
New Zealand: M Muliaina; D Howlett, L MacDonald, D Carter, C Ralph; C Spencer, J Marshall; K Meeuws, C Flynn, G Somerville, B Thorn, A Williams, R Thorne (captain), D Braid, R So'oialo
Replacements: K Mealamu, D Hewett, J Collins, M Holah, R McCaw, M Nonu, B Atiga
Scorers: New Zealand 91 (35):Tries: Braid, Carter, Flynn, Ralph (2), Spencer, Meeuws, Penalty, Muliaina (2), MacDonald, Howlett (2) Cons: MacDonald (12), Spencer
Tonga: S Va'enuku; S Fonua, S Hufanga, J Payne, T Tu'ifua; P Hola, S Martens; K Pulu, V Ma'asi, H Lavaka; U Latu, V Vaki; S Afeaki , I Fenukitau, B Kivalu (captain)
Replacements: E Taukafa, T Lea'aetoa, M Ngauamo, D Palu, S Tu'ipolotu, G Leger
Scorers: Tonga: 7 (0) Try: Hola Con: Tu'ipolotu