Continuous cleaning, strict littering rules and disciplined public manners keep Korea's subway among the world's cleanest.
Korea's subway stations and trains are famously spotless — often cited as one of the cleanest public transport systems anywhere. It comes from a combination of constant cleaning schedules, modern easy-to-clean design and a strong social norm of keeping shared spaces tidy.
Key takeaways
The biggest factor is not cleaning crews — it is that very few people make a mess in the first place.
Cleaning is not overnight-only; it happens throughout the operating day.
Modern engineering makes cleanliness easier to maintain.
Bright streets, CCTV, fast emergency response and a strong lost-and-found culture — why visitors say Korea feels different.
Korea has more than 55,000 convenience stores — what they sell, which chains matter and why they anchor daily life.
World-leading fibre, near-universal Wi-Fi and 5G — how fast Korean internet really is and how travellers get online.
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