Australia vs Solomon Islands

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

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

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

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

Australia's passport reaches 119 destinations visa-free to Solomon Islands's 91 — Australia opens more doors without a visa. Passport strength shifts over years of naturalisation, not months of planning, so it's a long-horizon footnote — not scored in the tally.

Australia's 148M passengers/yr annual passenger volume (across 14 scored cities); Solomon Islands has no annual passenger volume data yet — not enough data to call a winner.

Australia runs 0°C to 33°C for most people; Solomon Islands runs 24°C to 35°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.