Bulgaria vs Romania

Bulgaria's $1,215/mo monthly cost (across 2 scored cities); Romania has no monthly cost data yet — not enough data to call a winner.

Bulgaria's 2.6/5 safety score (across 2 scored cities); Romania's 3.0/5 safety score (across 1 scored city) — not enough data to call a winner.

Bulgaria's 2.4/5 mobility score (across 2 scored cities); Romania's 2.8/5 mobility score (across 1 scored city) — not enough data to call a winner.

Bulgaria's 2.1/5 culture score (across 2 scored cities); Romania's 3.4/5 culture score (across 1 scored city) — not enough data to call a winner.

Bulgaria's passport reaches 102 destinations visa-free to Romania's 103 — Romania 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.

Romania is better connected: 24M passengers/yr against Bulgaria's 12M passengers/yr. Bulgaria is quieter than 59 of 87 countries worldwide; Romania is quieter than 45 of 87 countries worldwide. Bulgaria sees ~2 air passengers per resident a year; Romania sees ~1 air passenger per resident a year — a derived figure, not itself ranked.

Bulgaria runs -12°C to 34°C for most people; Romania runs -13°C to 35°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.