New Zealanders, who had previously lost to India in India's group, had to defeat the champion three times in order to keep their fate in their own hands.
Instead, after Australia reached 153 for the seven, the White Ferns could not overcome a weak start and were rejected for 120 balls and not supported by 15 balls.
Win put Australia in the semifinals.
Kiwi hopes to be with Ireland, who defeats the powerful Indian side in the clash tomorrow, just before New Zealand's penultimate match against Pakistan.
New Zealand's bowlers used credit to retake the game after Australia's start to the launch.
However, the White Ferns had a 13 / 13th issue in the first three passes of their chase.
Anna Peterson first went to lbw using New Zealand's only DRS application – then Sophie Devine bowled a good ball with Ellyse Perry, a versatile player.
Captain Amy Satterthwaite attempted to sweep a reverse and when he went to Lbw, he went to the No1 T20 batswoman in the world, Suzie Bates.
Otago received valuable support from his teammate Katey Martin. The Australian decided to attack the couple, 11.4 out of 66'e.
He worked for a while, exploded six times when he was 57.
But Martin laughed at Alyssa Healy for 20 balls off 20.
Maddie Green started in the same vein, but in his 14th, Bernadine Bezuidenhout's departure was the beginning of the end for New Zealand.
He needed 56 from the last six races, and when Bates went to Ashleigh Gardner, the left-handed spinner for 42 balls in his arm 48, it was effectively New Zealand's challenge, some lusty strokes of Leigh Kasperek. It was outside.
The strokes of Australia have made a strong start with the sixth opening opening stand on the last seven strokes of Healy and Beth Mooney. Healy showed a good range and a sleek series of strokes.
However, Sophie must have been Devine in her third of 11 at the age of 11. Amelia Kerr & # 39; s, a regulation catcher to hide the place where the ball was hard hit.
Before reducing the balance of the New Zealander bowlers, they set off for the ninth place in Australia.
On the left, Mooney's dismissal stalled by Bates, Kasperek, the most successful bowler and launched a fortune swap for New Zealand.
In Australia, Healy lost 50 balls including 46 balls, 50 balls.
The captain killed Devine at the fifth in Martin. New Zealand deserved to be praised by Strike Healy as he took a complete step. At one point the Australian wicketkeeper encountered only eight balls in a time four times.
New Zealand caught three collars – in addition to the bad jump of Kerr, Kasperek caught a sharp turn from Rachel Haynes in the last 21, and then Bates was running out of Haynes to continue the middle turmoil in the final.
Kasperek, four out of 25 with 25, had two, Devine 37 years old, and none of the Australian bats could do anything deceptive for accepting only 25 in the four tins of Kerr and fast bowling player Lea Tahuhu early did a job.
– Iran is still looking for the first win of the contest after losing to Pakistan with 38 races in Guyana.
Pakistan reached 139 of its six submarines for 139, and Javeria Khan remained unbeaten, with 52 of them in the 74th.
In response, Ireland struggled with 101 at nine.