Japan Child Train Fares: Age, Seats and Tickets

JGO! editorial team — WEBMARKS Inc. (Fujisawa, Kanagawa)

When travelling by train in Japan with children, check three things before you buy: the railway operating each part of the journey, each child’s fare category, and whether a child needs an individual seat. The rules are not identical across JR East, Tokyo Metro and private railways. Even where a child’s basic fare is half the adult fare, a reserved seat or premium accommodation charge may be calculated differently.

This guide focuses on JR East’s general rules and gives specific examples from Tokyo Metro, Odakyu and Hokuso Railway. The figures and rules below were checked against the cited operator information on 4 November 2026. Treat a special ticket, pass or discounted Shinkansen product under its own conditions rather than assuming it follows the ordinary fare rules.

1. JR East child fare age groups

JR East generally groups passengers by age, but its rules include exceptions based on school attendance. The usual categories are adult, child, young child and infant; the categories affect whether a ticket is needed and how much it costs. The exceptions are especially important for children who are six or 12, so do not decide from age alone if your child is at either boundary.

Under JR East’s stated exception, a 12-year-old who is an elementary school pupil is treated as a child, while a six-year-old who has not entered elementary school is treated as a young child. JR East defines an elementary school pupil by reference to Japan’s School Education Act. If your child attends school outside Japan, do not assume that the child’s overseas school year automatically qualifies for the exception; ask JR East how the rule applies to your circumstances. JR East’s adult and child fare rules set out the age categories and exceptions.

These are JR East categories, not a guarantee that every company or ticket product uses the same test in the same way. For a journey with a transfer between operators, identify which company’s rules apply to each leg. If a pass, discount product or reservation offer has its own child-age definition, check that product’s conditions separately from the general fare page.

2. Ordinary fares and additional charges

JR East generally charges a child half the adult ordinary ticket fare. Child limited-express, express and reserved-seat charges are also generally half the corresponding adult charge, subject to the railway’s rounding rule. This does not mean that every part of a child’s journey costs half as much: Green Car, GranClass and sleeper charges are the same as adult charges.

For JR East’s half-price ticket calculation, a five-yen fraction is discarded. The calculation applies to the relevant fare or charge; it is not a reason to halve a total that combines different kinds of charges. For example, when a journey includes a premium accommodation charge, check that charge separately instead of assuming the whole displayed adult total can be divided by two. JR East’s page explains the general ticket rules, while its child IC fare FAQ says that the child IC fare is half the adult IC fare, with fractions below one yen discarded.

A special Shinkansen offer, rail pass or other discounted product may set its own child prices and eligibility rules. The general JR East ordinary-ticket rule does not establish the price of every such product, and it does not mean that a premium charge is half price. Before payment, compare the components shown for the fare, train service and seat or accommodation you selected.

3. Young children, infants and individual seats

For JR East, up to two accompanying young children may travel free with each adult or child, subject to the operator’s stated conditions. The third accompanying young child needs the applicable child fare and charges. This is a rule about accompanying young children, not a blanket rule that every child below school age travels free in every situation.

A young child or infant who uses an individual reserved seat needs the applicable child fare and charges. A young child travelling alone also needs them. The distinction is practical: a child sitting with an accompanying adult is different from a child occupying a reserved seat in their own right, so count the seats as well as the passengers before you book.

The JR East FAQ notes that free-child rules are not identical for every seat type; in particular, it distinguishes non-reserved Green Car travel from the example of an individual reserved seat. Do not extend a rule about one type of seat to another without checking the operator’s wording. If your family is unsure whether a child’s planned seating arrangement requires a ticket, confirm the exact train and seat type with JR East before travelling.

When planning a group, count how many young children accompany each adult or child under the operator’s rule. For example, the allowance is stated per accompanying adult or child, so a larger group should not be assessed by simply counting all the adults together and applying a single group-wide allowance. If a child will sit independently or travel without an accompanying adult or child, treat that as a separate situation and check the required fare and charges.

4. Tokyo Metro, Odakyu and Hokuso examples

Fare amounts and payment rules can differ between operators, even on ordinary journeys. Tokyo Metro publishes different child fares for paper tickets and child IC cards in the distance bands below. The listed fares include the railway station accessibility charge.

Check the Tokyo Metro ordinary ticket fare table for its published distance bands and payment methods. The figures above are examples for the stated bands, not a complete fare for every Tokyo Metro trip. For a route outside those bands, or one involving another railway, use the operator’s current fare information for the actual journey.

Odakyu lists a flat ¥50 child IC fare for a one-way journey within its lines when a child IC card is used. The company describes this as an ongoing arrangement that began in March 2022, not a limited-time campaign. The ¥50 figure is not the paper-ticket fare: magnetic tickets use a distance-based fare in 10-yen units, and a passenger who travels beyond the ticketed journey is charged a 10-yen-unit adjustment under the stated rule. Odakyu’s child fare FAQ gives the conditions.

Odakyu says child ICOCA, TOICA and PiTaPa cards issued in other areas are also eligible for the ¥50 child IC fare. However, the offer does not apply to use in other areas on limited-express trains that run directly into JR Central, except for the stated case of getting off at JR Matsuda Station. Group handling follows the existing group rules and the 10-yen-unit fare system. The ¥50 ordinary fare should not be taken to include a Romancecar limited-express charge; check that separately when planning a Romancecar journey.

Hokuso Railway provides a further example of why a transfer needs its own calculation. Its child ordinary fare is half the adult fare, but paper-ticket fares round amounts below ¥10 up, while child IC fares discard fractions below ¥1. Hokuso also explains that when a journey connects from its line to another railway, fares are calculated separately by line, so the total may not be half of the combined adult fare. See Hokuso Railway’s fare and accessibility information for the operator’s rules.

5. Before booking: a practical check

Start by listing the railways used on your route, including any transfer to a different company. A single journey may involve more than one fare calculation, and the child rule for the first train does not automatically govern the next railway. Use each operator’s own fare page for the segment it operates.

Next, write down each child’s age and note whether either age-boundary exception might matter. For JR East, a 12-year-old elementary school pupil may be treated as a child, and a six-year-old who has not started elementary school may be treated as a young child. If your child’s schooling is outside Japan or the situation is unclear, ask the operator rather than assuming that the exception applies.

Then choose the train and decide how many individual seats your family needs. Separate children who will sit with an accompanying adult from those who need their own reserved seats, and take note of any infant or young child who may need a ticket because of that choice. Seat arrangements can affect the required fare and charges even when the child’s age category is unchanged.

On the booking screen, check the number of adults, children and seats, and review any limited-express or premium-seat charges separately. Compare paper and child IC fares where both are available, but do not assume the cheaper amount applies to every part of a route or to a special ticket. Before paying, read the chosen pass or offer’s age, seat and validity conditions; the ordinary fare rules cannot confirm the terms of a particular product.

If you need a child IC card, check the issuing railway’s requirements before going to a counter or ticket machine. Hokuso Railway, for example, says a child’s identification is needed to issue a child IC card and lists a ¥500 deposit. That is a Hokuso-specific example, not a universal statement about every issuer. Compare Suica and PASMO for your wider transport planning, and check the card issuer’s own current instructions for the identification and deposit requirements that apply.

For the whole trip, the Japan public transport guide can help you think through transport beyond the train fare. Families taking a bullet train can also use the Shinkansen tickets guide alongside the child rules here. When comparing options, keep the travel date, train, seat type, railway and payment method consistent so you are comparing like with like.

6. Common questions about child train fares

Does a six-year-old always pay a child fare?

No. JR East’s general rule treats passengers aged six to under 12 as children, but it has an exception for a six-year-old who has not started elementary school. JR East defines an elementary school pupil by reference to Japan’s School Education Act, so a child’s situation may need clarification if they attend school outside Japan. Ask the operator about the specific child before buying, and do not assume the JR East rule determines the fare for another railway or a special product.

Does a 12-year-old always pay an adult fare?

Not under JR East’s stated general rules: a 12-year-old who is an elementary school pupil is treated as a child. The rule refers to the Japanese legal definition of an elementary school pupil, so an overseas school year should not automatically be treated as equivalent. If the child’s circumstances do not fit the stated wording clearly, check with JR East before purchase.

Does an infant need a ticket if they sit in a reserved seat?

On JR East, an infant who uses an individual reserved seat needs the applicable child fare and charges. This is different from an infant travelling without an individual reserved seat, for whom the accompanying-child rules and the type of seat still need to be checked. Decide whether the infant needs their own seat before you compare ticket totals or make a reservation.

How many young children can travel free with one adult?

JR East states that up to two accompanying young children may travel free with each adult or child, subject to its conditions. The third accompanying young child needs the applicable child fare and charges. A young child travelling alone or using an individual reserved seat also needs the applicable fare and charges, so count both companions and seats.

Is a child’s total journey always half the adult price?

No. JR East generally charges half the adult ordinary fare and generally half for child limited-express, express and reserved-seat charges, but Green Car, GranClass and sleeper charges are at the adult rate. Paper and IC calculations can also use different rounding rules, and other railways publish their own arrangements. Compare each component of the journey rather than dividing an adult total by two.

Are child IC fares the same on every railway?

No. Tokyo Metro’s published child fares vary by distance band and are different for paper tickets and child IC cards. Odakyu lists a ¥50 child IC fare for a one-way journey within its lines, while magnetic-ticket fares are distance-based; the ¥50 fare also has conditions for certain journeys and does not include a Romancecar limited-express charge. For a transfer between companies, check how each railway calculates its part of the trip.

Does an ordinary child fare tell me the price of a pass or Shinkansen offer?

No. An ordinary fare rule does not establish the child price, eligibility or seat conditions of a special pass, discount or reservation product. Read the official conditions for the exact offer and travel date, including any rules about children and individual seats. If a condition is unclear, ask the operator before payment rather than relying on the ordinary-ticket calculation.

What should I check when a journey uses more than one railway?

Identify every company operating a leg of the route and check the fare calculation for each one. Hokuso Railway, for example, says that a connection to another line is calculated by railway, so the total may not be half the combined adult fare. The same practical caution applies when comparing paper and IC prices: confirm the actual route and payment method instead of applying one company’s figure to the whole journey.

Further perspectives and related guides

Two videos may provide additional context for families: Japan Trip Planner’s video on train travel with children introduces family train rules, and Kensho Quest’s video on child Suica discusses a child IC card. These are supplementary perspectives, not a substitute for checking the current railway and ticket-product conditions. A photo diary by @sarisataiwan about a trip towards Dazaifu features Nishitetsu child tickets; check Nishitetsu’s own current fare rules for that railway.

Related JGO! guides include Japan with kids, Japan public transport, Shinkansen tickets, Suica and PASMO, Bento Guide: Buying and Enjoying Japan’s Train Lunches, Beppu Day Trip from Fukuoka: Train, Bus, Cost & Plan, Akihabara Guide: Anime, Electronics and Planning Your Visit, Aomori Nebuta Festival: Dates, Seats and Haneto Guide, Atsuta Jingu: Shrine Access, Museums and Prices and Awa Odori Festival: Tokushima Dates and Tickets. These broader guides can help with trip planning, but use the railway’s current fare and ticket conditions for your child’s specific journey.