Kuwait vs Saudi Arabia

Kuwait has no monthly cost data yet; Saudi Arabia's $1,439/mo monthly cost (across 2 scored cities) — not enough data to call a winner.

Kuwait's 3.8/5 safety score (across 1 scored city); Saudi Arabia's 3.8/5 safety score (across 2 scored cities) — not enough data to call a winner.

Kuwait's 1.6/5 mobility score (across 1 scored city); Saudi Arabia's 2.1/5 mobility score (across 2 scored cities) — not enough data to call a winner.

Kuwait's 3.0/5 culture score (across 1 scored city); Saudi Arabia's 2.3/5 culture score (across 2 scored cities) — not enough data to call a winner.

Kuwait's passport reaches 57 destinations visa-free to Saudi Arabia's 48 — Kuwait 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.

Between the two, Saudi Arabia is better connected — 109M passengers/yr vs 15M passengers/yr. Kuwait is quieter than 52 of 87 countries worldwide; Saudi Arabia is busier than 67 of 87 countries worldwide. Kuwait sees ~4 air passengers per resident a year; Saudi Arabia sees ~3 air passengers per resident a year — a derived figure, not itself ranked.

Kuwait runs -1°C to 53°C for most people; Saudi Arabia runs 6°C to 47°C for most people. Turaif runs colder, at -9°C. Depends on you — which range fits your tolerance is the real question here, not a score.