15-Second Answer
People in Japan wear masks for a range of reasons — infection prevention, hay fever, cough etiquette, habit, or personal preference. Since March 2023, mask-wearing has been based on individual choice. Wearing one or not is both fine. In certain settings like hospitals and care facilities, masks are still expected.
Why Do So Many People Still Wear Masks?
The reasons vary from person to person, and often overlap:
- Infection prevention — reducing the risk of catching or spreading colds, flu, and other respiratory illnesses
- Consideration for others — when feeling unwell, wearing a mask is a way of not passing something on; this is treated as basic cough etiquette
- Hay fever — Japan's pollen season runs roughly from February to May, and masks are a standard part of managing symptoms for a large portion of the population
- Personal preference — some people feel more comfortable wearing one, prefer not to show their face, or simply find it easier than dealing with skin care or makeup
- Habit — mask-wearing became deeply routine during the pandemic, and for many people it has simply stayed that way
Is It Rude Not to Wear One?
No. Since March 2023, the Japanese government's position has been that mask-wearing is a matter of individual choice. There is no obligation, and nobody will say anything if you are not wearing one in most everyday situations.
That said, hospitals, clinics, and care facilities for elderly residents are settings where masks are still expected — either by policy or by clear social norm. If you are visiting any of these, wearing one is the appropriate approach.
Should You Wear One?
It is entirely your call. A few situations where wearing one makes practical sense:
- Crowded trains and buses — particularly during cold and flu season
- Medical facilities — expected in most clinical settings
- Pollen season — if you are sensitive to hay fever, a mask makes a real difference
Surgical masks are widely available at convenience stores and pharmacies throughout Japan. Prices vary by product, but they are inexpensive and easy to find.
If you develop a cough or cold while travelling in Japan, wearing a mask in public is a considerate thing to do — and you will likely notice that Japanese people do the same when they are feeling unwell.
What Japanese People Actually Do
Mask-wearers and non-wearers coexist in most public spaces without issue. On a given train carriage, you will see both. The sense that everyone should be wearing one — which was strong during the pandemic — has weakened considerably. At the same time, the habit of reaching for a mask when unwell or in sensitive environments has stayed with many people and is still treated as thoughtful rather than unusual.
Bottom Line
Masks in Japan are now a matter of personal choice. Wearing one or not is both normal. In hospitals and care settings, wearing one is still expected. For everything else, read the room — and if you feel unwell, putting one on is a considerate habit that fits naturally here.