Mizuho Town: child medical expense subsidy
In Mizuho Town, Tokyo, 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.) There is no out-of-pocket charge for insured care, so it is effectively free.
In Tokyo, 62 of 62 municipalities cover outpatient care through age 18, and Mizuho Town is one of them.
Mizuho Town is one of 44 municipalities in Tokyo 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
- 32,013(Resident register, 2024)
- Share under 15
- 10.8%(2020 census)
For applications, refunds and visits outside the prefecture, check the official website of Mizuho Town.
Child medical expense subsidy
| Item | Outpatient | Inpatient |
|---|---|---|
| Covered until | 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-paymentchanged | No | No |
Changed since last year
- Co-payment
- Yes / No → No / No
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 Mizuho Town 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) (as of April 1, 2025).
There is no out-of-pocket charge for insured care, so it is effectively free.
Are high school students covered in Mizuho Town?
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).
Does Mizuho Town apply an income limit?
No (as of April 1, 2025).
Do the conditions differ between outpatient and inpatient care in Mizuho Town?
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 Mizuho Town changed its conditions since last year?
Yes. Compared with April 1, 2024, the following changed: Co-payment. See the rows marked "changed" in the table above.
How does Mizuho Town compare with other municipalities in Tokyo?
In Tokyo, 62 of 62 municipalities cover outpatient care through age 18, and Mizuho Town is one of them.
Mizuho Town is one of 44 municipalities in Tokyo 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 Mizuho Town, 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 Tokyo: Musashimurayama City, Chiyoda Ward, Fussa City, Hamura City, Hinode Town, Hachijo Town, Oshima Town, Okutama Town
Nursery and after-school club waiting lists in Mizuho Town
Mizuho Town had 0 children on the nursery waiting list as of April 1, 2026 (714 applicants, 705 enrolled; 0 waiting a year earlier). After-school clubs had 18 children waiting as of May 1, 2026 (preliminary; 367 registered).
| Item | Value | As of |
|---|---|---|
| Nursery waiting list | 0 | Apr 1, 2026 |
| Waiting list a year earlier (April 1, 2025) | 0 | Apr 1, 2025 |
| Nursery applicants | 714 | Apr 1, 2026 |
| Children enrolled in nurseries | 705 | Apr 1, 2026 |
| After-school club waiting list | 18 | May 1, 2026 (prelim.) |
| After-school club registrations | 367 | 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 Mizuho Town
Mizuho Town has 58 urban parks (122.5 ha), or 39.5 m² per resident (Rank 2 of 62 in Tokyo). It has 1 libraries, 0 community centers, 9 nursery schools and 5 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 | 58 | Rank 35 of 62 in Tokyo | Mar 31, 2025 |
| Urban park area | 122.5 ha | — | Mar 31, 2025 |
| Urban park area per residentDivided by the population of the city-planning area (MLIT's calculation) | 39.5 m² | Rank 2 of 62 in Tokyo | Mar 31, 2025 |
| Libraries | 1 | Rank 34 of 62 in Tokyo | 2021 |
| Community centers | 0 | — | 2021 |
| Nursery schools | 9 | Rank 25 of 62 in Tokyo | 2023 |
| Kindergartens | 3 | — | 2024 |
| Elementary schools | 5 | — | 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 Mizuho Town
- PopulationResident register, 2024
- 32,013Rank 50 of 62 in Tokyo2024
- Share under 15
- 10.8%Rank 46 of 62 in Tokyo2020 census
- Share 65 and over
- 30.0%2020 census
- Share of foreign residents
- 2.2%2020 census
- Net migration (move-ins minus move-outs)2024. A positive number means more people moved in than moved out
- +209Rank 20 of 62 in Tokyo2024
- Births per 1,000 residents
- 3.9Rank 56 of 62 in Tokyo2023
- Nursery schools
- 92023
- Nursery schools per 1,000 children under 15
- 2.61Rank 25 of 62 in Tokyo2023
- Kindergartens
- 32024
- Elementary schools
- 52024
- Doctors per 10,000 residents
- 6.2Rank 61 of 62 in Tokyo2022
- Clinics per 10,000 residents
- 4.42023
- General hospitals
- 12023
- Owner-occupied homes
- 70.7%2023
- Floor area per dwelling
- 90.5 m²2023
- Fiscal strength indexAbove 1 means local tax revenue covers standard spending
- 0.99Rank 10 of 39 in Tokyo2022
- Restaurants
- 992021
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 Tokyo
| Municipality | Population | Outpatient until | Income limit | Co-payment (outpatient / inpatient) | Nursery waiting list |
|---|---|---|---|---|---|
| Mizuho Town | 32,013 | Age 18 | No | No / No | 0 |
| Musashimurayama City | 70,696 | Age 18 | No | No / No | 0 |
| Chiyoda Ward | 68,835 | Age 18 | No | No / No | 0 |
| Fussa City | 56,582 | Age 18 | No | Yes / No | 5 |
| Hamura City | 54,126 | Age 18 | Yes | Yes / No | 2 |
| Hinode Town | 16,061 | Age 18 | No | No / No | 0 |
| Hachijo Town | 6,838 | Age 18 | No | No / No | 11 |
| Oshima Town | 6,813 | Age 18 | No | No / No | 0 |
| Okutama Town | 4,492 | 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.