Japan began accepting preferred-number applications for light and small motorcycles on October 19. Applications are available online or at counters; the earliest general-number plates can be issued on October 26, subject to payment confirmation.
Sapporo's AMeDAS table recorded Rikubetsu at −4.3°C at 06:25 on October 18, Utanobori at −4.1°C and Numakawa at −3.9°C. TV Asahi said more than half Japan's observation points recorded their lowest temperature that autumn, especially in northern and eastern Japan.
The International Menopause Society's 2026 World Menopause Day theme is Chronic Pain At Midlife. IMS says pain during and after the menopause transition has been underrecognised in research and care, and seeks awareness of evidence-based care.
The health ministry's October 16 report put influenza cases at 12.81 per sentinel medical institution nationwide for week 41, October 5–11. Reporting described about 5.4 times the same period a year earlier.
October 16 is World Food Day, marking FAO's establishment on that date in 1945. Its 2026 theme, Innovate today. Nourish tomorrow, calls for science and traditional knowledge to support future food systems and access to healthy diets.
Hankyu Railway announced October 14 that ceiling-hung advertisements would end after service on April 4, 2027, across its operating fleet except through-running trains from other companies.
Keisei, Keikyu, Sendai Airport Transit, Tokyo Monorail, Tobu, JR East and Hokuso announced October 13 that they would replace magnetic tickets with QR-coded tickets from spring 2027.
Clear skies covered much of Japan on October 12, the last day of a three-day holiday. TV Asahi showed tourism and sport, including autumn leaves at Zao in Yamagata.
TV Asahi's October 11 report showed many tourists visiting Kamikochi in Matsumoto, Nagano, under clear autumn skies on October 10, the first day of a three-day holiday.