Passengers are classified as follows
Adult 12 or older
Child 6 through 11
Infant 1 through 5
Baby Less than 1
Fares and Charges for Children:-
The discount for children is 50% of the adult fare for the basic fare tickets and for most supplemental charges. Any amount less than 10 yen is rounded off.
There is no children's discount for Green Car tickets and some supplemental charges.
Fares and Charges for Infants and Babies:-
Infants and babies travel free except that they need child's tickets in the following cases.
1. When three or more infants accompany one adult or a child; in this case, tickets are needed for the third and any additional infants.
2. When an infant or a baby occupies its own reserved seat or berth.
3. When an infant travels alone.