Belgium vs Greece

Greece is cheaper: $1,468/mo against Belgium's $2,622/mo. Belgium is pricier than 36 of 41 European countries; Greece is cheaper than 26 of 41 European countries.

Belgium is safer: 3.2/5 against Greece's 1.8/5. Belgium is safer than 21 of 41 European countries; Greece is less safe than 39 of 41 European countries.

Belgium scores higher on mobility: 3.1/5 against Greece's 2.8/5. Belgium is easier to get around than 24 of 41 European countries; Greece is harder to get around than 24 of 41 European countries.

Belgium scores higher on culture: 3.7/5 against Greece's 3.5/5. Belgium is richer in culture than 26 of 41 European countries; Greece is richer in culture than 24 of 41 European countries.

Belgium's passport reaches 106 destinations visa-free to Greece's 105 — Belgium 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.

Greece is better connected: 77M passengers/yr against Belgium's 34M passengers/yr. Belgium is busier than 44 of 87 countries worldwide; Greece is busier than 62 of 87 countries worldwide. Belgium sees ~3 air passengers per resident a year; Greece sees ~7 air passengers per resident a year — a derived figure, not itself ranked.

Belgium runs -13°C to 30°C for most people; Greece runs -6°C to 37°C for most people. Alexandroupoli runs colder, at -14°C. Depends on you — which range fits your tolerance is the real question here, not a score.