Climate
Jeju City logs 0 frost days a year to Seoul's 97 — Jeju City wins by 97. Jeju City also leads on hot days by 36.
Jeju City
Feels-like °C
Dinner outside
Seoul
Feels-like °C
Dinner outside
Cost of Living
Seoul averages $1,853/mo for balanced living; Jeju City has no cost baseline yet.
Seoul
$1,853monthly · balanced
Mobility
Seoul scores 4.6 on mobility (0–5 scale); Jeju City has no mobility baseline.
Culture
Seoul's culture score of 3.1 sits well above Jeju City's 0.0.
Nature & Outdoors
Seoul scores 4.3 on nature & outdoors (0–5 scale); Jeju City has no nature & outdoors baseline.
Safety
Seoul scores 4.1 on safety (0–5 scale); Jeju City has no safety baseline.
Career
Seoul scores 4.3 on career (0–5 scale); Jeju City has no career baseline.
Social & Community
Seoul scores 2.8 on social & community (0–5 scale); Jeju City has no social & community baseline.
Food & Dining
Seoul scores 4.0 on food & dining (0–5 scale); Jeju City has no food & dining baseline.
Family
Seoul scores 4.1 on family (0–5 scale); Jeju City has no family baseline.
Healthcare
Seoul scores 4.1 on healthcare (0–5 scale); Jeju City has no healthcare baseline.
Air Quality
Jeju City averages 15.4 µg/m³ (sensitive-groups) PM2.5 annually versus Seoul's 26.6 µg/m³ (unhealthy) — Jeju City breathes ~42% cleaner air (11.2 µg/m³ lower).
Jeju City
Seoul
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Jeju City (76K) and Seoul (22.3M) are 295x in population — Seoul is the larger metro, Jeju City the smaller; on land area Seoul spans roughly 48x more ground.
Seoul is roughly 118x the scale of Jeju City
Combined population & area comparison
SeoulJeju CityCity Scale Rankings
Seoul22.3M295xJeju City76K1xSeoul2,282 km²48xJeju City48 km²1xJeju City
Seoul
Who Thrives Here
Jeju City favours the clean air seeker, while Seoul suits the big city energy.
Also compared
TokyoFrequently asked about Jeju City vs Seoul
▶Which is cheaper, Jeju City or Seoul?
▶How does the climate compare between Jeju City and Seoul?
▶Is Jeju City or Seoul safer?
▶Should I move to Jeju City or Seoul?
The best city depends on what matters to you
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