While there is no legal "ban" on talking, Japanese social etiquette dictates that you should remain as quiet as possible on the Tokyo subway. Speaking loudly with friends or family is considered "meiwaku" (a nuisance) to other passengers who often use the commute to rest, read, or work in silence. Perhaps the most important rule is that you should never talk on your mobile phone; you will notice signs and announcements throughout the train asking you to switch your phone to "manner mode" (silent) and refrain from taking calls. If you must speak to a companion, it should be done in a very low whisper. This culture of silence is a hallmark of Japanese public life and reflects a deep respect for shared space. In 2026, as tourism continues to boom, locals are generally patient with visitors, but following these quiet norms is the fastest way to show respect for the local culture. Interestingly, while the trains are silent, they are not necessarily "antisocial"—it is simply a different form of social harmony where everyone contributes to a peaceful, low-stress environment for their fellow commuters.