The All Blacks' emphatic win over the Wallabies sparked a million-dollar rush in Rugby World Cup ticket sales, suggesting New Zealanders are growing more confident the side can triumph on home soil and end two decades of disappointment.

A month out from the tournament kickoff, Rugby World Cup organisers announced on Tuesday ticket sales had reached 87 per cent of target levels, boosted by a $NZ1 million ($A810,000) rush since Saturday's Bledisloe Cup win at Eden Park.

Rugby New Zealand 2011 chief executive Martin Snedden said 1.08 million tickets had so far been sold.

That represented revenue of $NZ234 million ($A188 million), $NZ34.5 million ($A28 million) short of organisers' final goal.

The tournament opens with New Zealand against Tonga at Eden Park on September 9, and culminates with a final at the Auckland venue on October 23.

The All Blacks, consistently the No.1-ranked team in the world, haven't won the World Cup since co-hosting the inaugural edition with Australia in 1987.

Snedden said the number of international visitors expected during the World Cup had been revised up from 85,000 to 95,000 based on international ticket sales, including 30,000 from Australia and 35,000 from Britain, Ireland and France.

"The upsurge in support from overseas fans is a strong sign of confidence in our ability to host the biggest sporting event New Zealand has ever held," Snedden said.

"It also underlines what we have always said; that this tournament brings multiple economic benefits to our country as well as providing a priceless opportunity to show the best of New Zealand to the world."

Snedden said an analysis of ticket sales for 2011 showed worldwide interest in the tournament.

"We are expecting around 25,000 fans from the UK and Ireland and another 10,000 from France," he said.

"It's also terrific to see good numbers coming from the Americas, and that USA, Canada and Argentina will be well supported.

"Our estimates suggest 10,000 from these countries."

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