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Isumi City

Chiba Prefecture

In Isumi City, Chiba 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.)

Covered until (Outpatient)
Age 18April 1, 2025
Covered until (Inpatient)
Age 18April 1, 2025
Income limit
NoApril 1, 2025
Co-payment
NoApril 1, 2025
Coverage through age 18
YesApril 1, 2025
Population
34,705Resident register, 2024
Share under 15
8.9%2020 census

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Child medical expense subsidy

Child medical expense subsidy
OutpatientInpatient
Covered untilAge 18through the end of the fiscal year in which the child turns 18 (end of high-school age)Age 18through the end of the fiscal year in which the child turns 18 (end of high-school age)
Income limitNoNo
Co-paymentchangedNoNo

Changed since last year

Co-payment
Yes / Yes → 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.

Key figures

PopulationResident register, 2024
34,705Rank 33 of 54 in the prefecture2024
Share under 15
8.9%Rank 41 of 54 in the prefecture2020 census
Share 65 and over
42.4%2020 census
Share of foreign residents
1.3%2020 census
Net migration (move-ins minus move-outs)2024. A positive number means more people moved in than moved out
-134Rank 34 of 54 in the prefecture2024
Births per 1,000 residents
3.6Rank 33 of 54 in the prefecture2023
Nursery schools
112023
Nursery schools per 1,000 children under 15
3.48Rank 3 of 54 in the prefecture2023
Kindergartens
02024
Elementary schools
92024
Doctors per 10,000 residents
9.5Rank 39 of 54 in the prefecture2022
Clinics per 10,000 residents
5.82023
General hospitals
22023
Owner-occupied homes
89.3%2023
Floor area per dwelling
125.1 m²2023
Fiscal strength indexAbove 1 means local tax revenue covers standard spending
0.41Rank 47 of 54 in the prefecture2022
Restaurants
1152021

Source: e-Stat, Statistical Observations of Municipalities 2026 (Statistics Bureau of Japan)

Compare with municipalities in the same prefecture (by population)

All 54 municipalities in Chiba Prefecture

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Page updated: . You may quote this table. Please credit Machishirabe and the original survey.