Saudi Arabia vs United Arab Emirates

Saudi Arabia's $1,439/mo monthly cost (across 2 scored cities); United Arab Emirates' $2,356/mo monthly cost (across 3 scored cities) — not enough data to call a winner.

Saudi Arabia's 3.8/5 safety score (across 2 scored cities); United Arab Emirates' 3.4/5 safety score (across 3 scored cities) — not enough data to call a winner.

Saudi Arabia's 2.1/5 mobility score (across 2 scored cities); United Arab Emirates' 2.6/5 mobility score (across 3 scored cities) — not enough data to call a winner.

Saudi Arabia's 2.3/5 culture score (across 2 scored cities); United Arab Emirates' 3.3/5 culture score (across 3 scored cities) — not enough data to call a winner.

Saudi Arabia's passport reaches 48 destinations visa-free to United Arab Emirates's 129 — United Arab Emirates 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, United Arab Emirates is better connected — 139M passengers/yr vs 109M passengers/yr. Saudi Arabia is busier than 67 of 87 countries worldwide; United Arab Emirates is busier than 70 of 87 countries worldwide. Saudi Arabia sees ~3 air passengers per resident a year; United Arab Emirates sees ~14 air passengers per resident a year — a derived figure, not itself ranked.

Saudi Arabia runs 6°C to 47°C for most people; the United Arab Emirates runs 9°C to 50°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.