While you may be accustomed to chatting with your traveling companions while using public transportation, this is not the norm in Japan. Loud chatter or other disturbance is considered rude. You may notice that most Japanese train passengers stand or sit in silence.

In Japan, the cultural norm on public transportation is one of quiet and consideration for others, so while a hushed conversation with a companion is generally acceptable, being loud or making phone calls is considered very rude. The Japanese concept of meiwaku (avoiding being a nuisance to others) is the guiding principle here; buses and trains are viewed as shared, semi-private spaces where people often rest or commute in silence. You will frequently see signs requesting that passengers set their mobile phones to "manner mode" (silent) and refrain from speaking on them entirely. If you must talk to a travel partner, it is best to use a very low "inside voice." Breaking this unspoken rule by laughing loudly or talking at a normal volume may result in subtle but firm "looks" of disapproval from fellow passengers. On Friday nights, however, the atmosphere can be slightly more relaxed as people head home from social gatherings, but even then, maintaining a low profile remains the respectful standard for travelers in 2026.