Typical crowd level each month (relative), averaged over the attractions of each city. Shorter bar = fewer people.
Seoul and Tokyo have broadly similar crowd levels overall.
Based on historical visitor patterns, January is usually the quietest month in Seoul.
Based on historical visitor patterns, June is usually the quietest month in Tokyo.
In Seoul the quietest day is usually Monday; in Tokyo, Monday. Weekdays early in the morning are the safest bet in both.
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