China vs Thailand

Thailand is cheaper: $1,089/mo against China's $1,100/mo. China is pricier than 15 of 22 Asian countries; Thailand is pricier than 14 of 22 Asian countries.

China is safer: 3.3/5 against Thailand's 2.3/5. China is safer than 16 of 22 Asian countries; Thailand is safer than 12 of 22 Asian countries.

China scores higher on mobility: 3.3/5 against Thailand's 2.4/5. China is easier to get around than 16 of 22 Asian countries; Thailand is easier to get around than 12 of 22 Asian countries.

Thailand scores higher on culture: 4.0/5 against China's 3.5/5. China is richer in culture than 15 of 21 Asian countries; Thailand is richer in culture than 19 of 21 Asian countries.

China's passport reaches 52 destinations visa-free to Thailand's 39 — China 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.

China is better connected: 755M passengers/yr against Thailand's 118M passengers/yr. China is busier than 85 of 87 countries worldwide; Thailand is busier than 69 of 87 countries worldwide. China sees ~53 air passengers per 100 residents a year; Thailand sees ~2 air passengers per resident a year — a derived figure, not itself ranked.

China runs -10°C to 37°C for most people; Thailand runs 20°C to 40°C for most people. Harbin runs colder, at -34°C. Depends on you — which range fits your tolerance is the real question here, not a score.