Spain vs United Kingdom

Between the two, Spain is cheaper — $1,852/mo vs $2,247/mo. Spain is pricier than 22 of 41 European countries; United Kingdom is pricier than 31 of 41 European countries.

Between the two, Spain is safer — 2.8/5 vs 2.6/5. Spain is less safe than 24 of 41 European countries; United Kingdom is less safe than 27 of 41 European countries.

Between the two, United Kingdom scores higher on mobility — 3.4/5 vs 3.2/5. Spain is easier to get around than 25 of 41 European countries; United Kingdom is easier to get around than 31 of 41 European countries.

Between the two, United Kingdom scores higher on culture — 4.3/5 vs 3.9/5. Spain is richer in culture than 31 of 41 European countries; United Kingdom is richer in culture than 40 of 41 European countries.

Spain's passport reaches 105 destinations visa-free to United Kingdom's 126 — United Kingdom 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, Spain is better connected — 315M passengers/yr vs 287M passengers/yr. Spain is busier than 83 of 87 countries worldwide; United Kingdom is busier than 81 of 87 countries worldwide. Spain sees ~7 air passengers per resident a year; United Kingdom sees ~4 air passengers per resident a year — a derived figure, not itself ranked.

Spain runs -5°C to 35°C for most people; the United Kingdom runs -14°C to 25°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.