Tokyo is widely considered one of the safest cities in the world for nighttime exploration. Even in bustling districts like Shinjuku, Shibuya, or Roppongi, it is common to see solo travelers, women, and even children walking around well past midnight with little concern for their personal safety. This is due to a combination of an extremely low violent crime rate, a highly visible police presence (via the "Koban" neighborhood police boxes), and a cultural emphasis on social order. Streets are generally well-lit, and the city remains vibrant 24/7 with convenience stores and late-night eateries. While petty crime like pickpocketing is rare, visitors should still exercise standard caution in "entertainment" areas where street touts might try to lure tourists into bars with high cover charges. Overall, the biggest "danger" of walking in Tokyo at night is missing the last train (around midnight), as taxis can be quite expensive, but in terms of physical safety, Tokyo remains an world-class benchmark.