what is the population of australia and the uck

Australia’s population is about 27.8 million as of December 2025, and the UK’s population is about 68 million. Australia’s latest official estimate from the ABS is 27,801,023, while the UK figure is commonly reported around 68 million in recent demographic sources.

Quick Scoop

Country| Population
---|---
Australia| 27,801,023 4
UK| about 68 million 2

The Australia figure is an official estimate for 31 December 2025. The UK source here is a demographics reference page rather than a single official population clock, so it gives a rounded “about 68 million” figure.