Wales avoided a repeat of 2015's pre-Rugby World Cup injury problems as Ireland won 19-10 in Dublin on Saturday to take the No.1 ranking.
Michael Cheika's Wallabies head into the Rugby World Cup with no new injury concerns after getting through unscathed against Samoa.
With New Zealand leading Tonga 92-0, Steve Hansen opted to save Ryan Crotty and play the last 15 minutes a man light.
Eddie Jones does not expect to have Mako Vunipola available until England face Argentina or France in the Rugby World Cup pool stage.
The All Blacks fell just short of 100 points in a merciless display in Hamilton, where New Zealand scored 14 tries on Saturday.
Captain Owen Farrell converted all four of England's tries and also kicked three penalties as his side eased past Italy on Friday.
Gregor Townsend may count the cost of injuries from Scotland's final Rugby World Cup warm-up victory over Georgia.
One of the best wings in South African rugby history, World Cup winner Chester Williams died on Friday.