Q. ［Admission Tickets］Who is under 4? A. Those aged 3 and under as of 1 April, 2025.https://ticket.expo2025.or.jp/en/faq/ Related articles ［Admission Tickets］Who is a child? [Admission Tickets] If family members, friends, etc. enter at the same time, can they enter with only one phone and one Expo ID? ［Admission Tickets］Can I enter with a ticket that does not match my age category? [Visiting date/time reservation] I am planning to come as a group. What if we all want to book the same date and time? [Expo ID] Can I register for an ExpoID if I am under 16?