Australia vs Guam

Australia's $2,718/mo monthly cost (across 12 scored cities); Guam has no monthly cost data yet — not enough data to call a winner.

Australia's 3.7/5 safety score (across 12 scored cities); Guam has no safety score data yet — not enough data to call a winner.

Australia's 2.7/5 mobility score (across 12 scored cities); Guam has no mobility score data yet — not enough data to call a winner.

Australia's 3.6/5 culture score (across 12 scored cities); Guam has no culture score data yet — not enough data to call a winner.

Australia's passport reaches 119 destinations visa-free; Guam has no passport baseline yet. Not scored in the tally.

Australia is better connected: 148M passengers/yr against Guam's 3.8M passengers/yr. Australia is busier than 71 of 87 countries worldwide; Guam is quieter than 72 of 87 countries worldwide. Australia sees ~6 air passengers per resident a year; Guam sees ~23 air passengers per resident a year — a derived figure, not itself ranked.

Australia runs 0°C to 33°C for most people; Guam runs 22°C to 34°C for most people. Bathurst runs colder, at -8°C and Alice Springs runs hotter, at 43°C. Depends on you — which range fits your tolerance is the real question here, not a score.