Poland vs Spain

Between the two, Poland is cheaper — $1,569/mo vs $1,852/mo. Poland is cheaper than 24 of 41 European countries; Spain is pricier than 22 of 41 European countries.

Between the two, Poland is safer — 3.7/5 vs 2.8/5. Poland is safer than 25 of 41 European countries; Spain is less safe than 24 of 41 European countries.

Between the two, Poland scores higher on mobility — 3.2/5 vs 3.2/5. Poland is easier to get around than 30 of 41 European countries; Spain is easier to get around than 25 of 41 European countries.

Between the two, Spain scores higher on culture — 3.9/5 vs 3.8/5. Poland is richer in culture than 30 of 41 European countries; Spain is richer in culture than 31 of 41 European countries.

Poland's passport reaches 100 destinations visa-free to Spain's 105 — Spain 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 64M passengers/yr. Poland is busier than 60 of 87 countries worldwide; Spain is busier than 83 of 87 countries worldwide. Poland sees ~2 air passengers per resident a year; Spain sees ~7 air passengers per resident a year — a derived figure, not itself ranked.

Poland runs -18°C to 31°C for most people; Spain runs -5°C to 35°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.