There is a lot to consider when comparing countries
"Australia offers a warmer climate, higher salaries (20–30% more), and an outdoor-focused lifestyle, while the UK provides stronger historical, cultural, and European travel opportunities. Australia has a higher cost of living (10-25% more) but better work-life balance; the UK excels in public transport and cosmopolitan, dense city life."
List of countries by wealth per adult - Wikipedia Median wealth per adult
4,
Australia USD 247,453
9,
United Kingdom USD 151,825
Best Countries for Quality of Life | U.S. News#8 in Quality of Life
#5 in Best Countries Overall
#11 in Quality of Life
#8 in Best Countries Overall