A match-winning second-wicket partnership between Beth Mooney and Phoebe Litchfield guided Australia to a comfortable chase of 151, with the target reached with 17 balls to spare.
The victory marked another dominant performance by Australia against England after their 16-0 Ashes triumph 18 months ago, as they regained the Women s T20 World Cup trophy.
England posted 150-4, with captain Nat Sciver-Brunt remaining unbeaten on 58 from 53 balls, while Freya Kemp contributed an unbeaten 44 from 28 deliveries. The pair added 80 runs for the fifth wicket after England struggled early in the innings.
Australia reduced England to 39-2 inside the first six overs. Lucy Hamilton claimed her first World Cup wicket by dismissing Amy Jones for six, while Annabel Sutherland removed tournament top-scorer Danni Wyatt-Hodge for eight after a brilliant catch by wicketkeeper Beth Mooney.
Alice Capsey scored 23 before being dismissed by Sophie Molineux, while Heather Knight fell lbw to Kim Garth for two. Garth finished with economical figures of 1-20 from her four overs.
Although Sciver-Brunt and Kemp accelerated during the closing overs, England s total proved below par.
Australia made an aggressive start to the chase, with Georgia Voll striking a boundary from the opening delivery before falling for nine.
Beth Mooney and Phoebe Litchfield then dominated the England bowling attack, taking Australia to 98-1 after 10 overs.
Litchfield scored 48 from 35 balls, including two sixes, before being dismissed by Charlie Dean. Mooney top-scored with 64 off 49 deliveries.
Ellyse Perry remained unbeaten to guide Australia to victory after receiving a reprieve when a catch by Sophie Ecclestone was overturned by the television umpire.
The winning runs came through four wides from Sophie Ecclestone, sealing a comprehensive Australian victory and a record-extending seventh ICC Women s T20 World Cup title.
