Seto City: child medical expense subsidy
In Seto City, Aichi Prefecture, the child medical expense subsidy covers both outpatient and inpatient care through the end of the fiscal year in which the child turns 18 (end of high-school age). Income limit: none. Co-payment: none. (As of April 1, 2025, Children and Families Agency survey.) We checked Seto City's official website on October 19, 2026, and these conditions still apply. There is no out-of-pocket charge for insured care, so it is effectively free.
In Aichi Prefecture, 48 of 54 municipalities cover outpatient care through age 18, and Seto City is one of them.
Seto City is one of 47 municipalities in Aichi Prefecture that meet all three conditions: coverage through age 18 for both outpatient and inpatient care, no income limit, and no co-payment.
Municipalities call this program by different names (小児医療費助成, こども医療費助成, 乳幼児医療費助成, 子育て支援医療). This site uses the national survey's term, "child medical expense subsidy".
- Covered until (Outpatient)
- Age 18(April 1, 2025)
- Covered until (Inpatient)
- Age 18(April 1, 2025)
- Income limit
- No(April 1, 2025)
- Co-payment
- No(April 1, 2025)
- Coverage through age 18
- Yes(April 1, 2025)
- Population
- 126,274(Resident register, 2024)
- Share under 15
- 12.4%(2020 census)
For applications, refunds and visits outside the prefecture, check the official website of Seto City.
Child medical expense subsidy
We checked Seto City's official website on October 19, 2026. The current conditions are the same as in the table below (national survey). Official website
| Item | Outpatient | Inpatient |
|---|---|---|
| Covered untilchanged | Age 18 through the end of the fiscal year in which the child turns 18 (end of high-school age) | Age 18 through the end of the fiscal year in which the child turns 18 (end of high-school age) |
| Income limit | No | No |
| Co-payment | No | No |
Changed since last year
- Outpatient · Covered until
- Age 15 → Age 18
Changes from last year (as of April 1, 2024) to this year (as of April 1, 2025).
Source: Children and Families Agency, Survey on Municipal Child Medical Expense Subsidies (municipal form, attachment 3) (As of April 1, 2025). Last checked September 24, 2026
The national survey records conditions as of April 1 and is published in December. Some municipalities have expanded coverage since then. Confirm the current conditions on the municipality's official website.
Frequently asked questions
Until what age does Seto City subsidize child medical expenses?
Both outpatient and inpatient care are covered through the end of the fiscal year in which the child turns 18 (end of high-school age) (checked on the official website, October 2026).
There is no out-of-pocket charge for insured care, so it is effectively free.
Are high school students covered in Seto City?
Yes. Both outpatient and inpatient care are covered through the end of the fiscal year in which the child turns 18 (the end of the third year of high school).
High school students have been covered since April 2025 or earlier.
Does Seto City apply an income limit?
No (checked on the official website, October 2026).
Do the conditions differ between outpatient and inpatient care in Seto City?
No. Both are covered through the end of the fiscal year in which the child turns 18 (end of high-school age); income limit: no; co-payment: no.
Has Seto City changed its conditions since last year?
Yes. Compared with April 1, 2024, the following changed: outpatient age limit. See the rows marked "changed" in the table above.
How does Seto City compare with other municipalities in Aichi Prefecture?
In Aichi Prefecture, 48 of 54 municipalities cover outpatient care through age 18, and Seto City is one of them.
Seto City is one of 47 municipalities in Aichi Prefecture that meet all three conditions: coverage through age 18 for both outpatient and inpatient care, no income limit, and no co-payment.
If I move out of Seto City, do the same conditions apply?
No. The subsidy is run by the municipality you live in, so the new municipality's conditions apply. Check its page on this site, and confirm the procedure on that municipality's official website.
Municipalities of similar size in Aichi Prefecture: Nishio City, Kariya City, Komaki City, Inazawa City, Handa City, Tokai City, Konan City, Nisshin City
Nursery and after-school club waiting lists in Seto City
Seto City had 1 children on the nursery waiting list as of April 1, 2026 (1,913 applicants, 1,846 enrolled; 2 waiting a year earlier). After-school clubs had 0 children waiting as of May 1, 2026 (preliminary; 1,099 registered).
| Item | Value | As of |
|---|---|---|
| Nursery waiting list | 1 | Apr 1, 2026 |
| Waiting list a year earlier (April 1, 2025) | 2 | Apr 1, 2025 |
| Nursery applicants | 1,913 | Apr 1, 2026 |
| Children enrolled in nurseries | 1,846 | Apr 1, 2026 |
| After-school club waiting list | 0 | May 1, 2026 (prelim.) |
| After-school club registrations | 1,099 | May 1, 2026 (prelim.) |
"Waiting" follows the national definition: applicants not enrolled, excluding those on parental leave, those who want only a specific facility, and those who have paused their job search. Zero does not guarantee a place at a preferred facility. After-school club figures are preliminary and may be revised.
Source: Children and Families Agency, Summary of Nursery Care Status (April 1, 2026) / Children and Families Agency, Status of After-School Clubs (May 1, 2026, preliminary)
Parks, libraries, community centers and nursery schools in Seto City
Seto City has 67 urban parks (110.6 ha), or 8.9 m² per resident (Rank 17 of 54 in the prefecture). It has 1 libraries, 14 community centers, 26 nursery schools and 17 elementary schools.
Urban parks: MLIT inventory as of March 31, 2025. Libraries and community centers: e-Stat, 2021. Nursery and elementary schools: e-Stat.
| Item | Value | Rank in prefecture | As of |
|---|---|---|---|
| Urban parks | 67 | Rank 18 of 54 in the prefecture | Mar 31, 2025 |
| Urban park area | 110.6 ha | — | Mar 31, 2025 |
| Urban park area per residentDivided by the population of the city-planning area (MLIT's calculation) | 8.9 m² | Rank 17 of 54 in the prefecture | Mar 31, 2025 |
| Libraries | 1 | Rank 44 of 54 in the prefecture | 2021 |
| Community centers | 14 | — | 2021 |
| Nursery schools | 26 | Rank 13 of 54 in the prefecture | 2023 |
| Kindergartens | 7 | — | 2024 |
| Elementary schools | 17 | — | 2024 |
Source: MLIT, Inventory of Urban Parks (end of FY2024, as of March 31, 2025) / e-Stat, Statistical Observations of Municipalities 2026 (Statistics Bureau of Japan)
Population, share of children, net migration and doctors in Seto City
- PopulationResident register, 2024
- 126,274Rank 13 of 54 in the prefecture2024
- Share under 15
- 12.4%Rank 38 of 54 in the prefecture2020 census
- Share 65 and over
- 29.9%2020 census
- Share of foreign residents
- 3.1%2020 census
- Net migration (move-ins minus move-outs)2024. A positive number means more people moved in than moved out
- -487Rank 45 of 54 in the prefecture2024
- Births per 1,000 residents
- 5.1Rank 43 of 54 in the prefecture2023
- Nursery schools
- 262023
- Nursery schools per 1,000 children under 15
- 1.64Rank 13 of 54 in the prefecture2023
- Kindergartens
- 72024
- Elementary schools
- 172024
- Doctors per 10,000 residents
- 24.2Rank 9 of 54 in the prefecture2022
- Clinics per 10,000 residents
- 5.32023
- General hospitals
- 62023
- Owner-occupied homes
- 75.1%2023
- Floor area per dwelling
- 103.3 m²2023
- Fiscal strength indexAbove 1 means local tax revenue covers standard spending
- 0.84Rank 35 of 54 in the prefecture2022
- Restaurants
- 3172021
Source: e-Stat, Statistical Observations of Municipalities 2026 (Statistics Bureau of Japan)
"—" means e-Stat has no value for this item (the Housing and Land Survey does not cover towns and villages).
Compare with similar-sized municipalities in Aichi Prefecture
| Municipality | Population | Outpatient until | Income limit | Co-payment (outpatient / inpatient) | Nursery waiting list |
|---|---|---|---|---|---|
| Seto City | 126,274 | Age 18 | No | No / No | 1 |
| Nishio City | 169,528 | Age 15 | No | No / No | 0 |
| Kariya City | 152,984 | Age 18 | No | No / No | 15 |
| Komaki City | 149,025 | Age 18 | No | No / No | 0 |
| Inazawa City | 132,879 | Age 18 | No | No / No | 0 |
| Handa City | 116,209 | Age 18 | No | No / No | 0 |
| Tokai City | 113,352 | Age 18 | No | No / No | 9 |
| Konan City | 98,124 | Age 18 | No | No / No | 0 |
| Nisshin City | 94,207 | Age 18 | No | No / No | 0 |
Outpatient age limit, income limit and co-payment are the national survey values as of April 1, 2025.
Page updated: . You may quote this table. Please credit Machishirabe and the original survey.