到2050年代,悉尼和墨尔本将增长到8M+,到2066年,墨尔本将超过悉尼。 Sydney and Melbourne to grow to 8M+ by 2050s, with Melbourne surpassing Sydney by 2066.

澳大利亚主要城市预计将迅速增长,悉尼和墨尔本预计到2050年代将分别达到800万居民。 Australia's major cities are projected to grow rapidly, with Sydney and Melbourne each expected to reach eight million residents by the 2050s. 到2065-66年,预计墨尔本将超过悉尼这个人口最多的城市,有910万人,而悉尼只有850万人。 By 2065–66, Melbourne is forecast to surpass Sydney as the most populous city, with 9.1 million people compared to Sydney’s 8.5 million. 城市地区将按区域增长率的两倍增长,预计到2066年,72%的澳大利亚人将居住在首都城市,比今天的68%有所增加。 Urban areas are set to grow at twice the rate of regional regions, with 72% of Australians expected to live in capital cities by 2066, up from 68% today. 人口增长是由自然增长和海外净移徙驱动的,尽管净移徙在人口超过550 000人之后,在2025-26年下降到260 000人。 Population growth is driven by natural increase and net overseas migration, though net migration declined to 260,000 in 2025–26 after post-pandemic highs above 550,000. 预计到2035-36年全国人口将达到3,150万。 The national population is projected to reach 31.5 million by 2035–36. 长期趋势包括生育率下降、人口老龄化和预期寿命增加。 Long-term trends include a declining fertility rate, an ageing population, and rising life expectancy. 财务主任吉姆·查默斯(Jim Chalmers)强调政府的举措,如扩大带薪育儿假和为期三天的幼儿教育保障,以支持2025-26年出生率创纪录低的家庭。 Treasurer Jim Chalmers highlighted government initiatives like expanded paid parental leave and a three-day early childhood education guarantee to support families amid record-low birth rates in 2025–26.