Chiba Prefecture54 municipalities

Of the 54 municipalities in Chiba Prefecture, 54 cover outpatient care through age 18, 54 have no income limit, and 17 charge no outpatient co-payment. Since last year, 5 have changed their conditions (as of April 1, 2025, Children and Families Agency survey).

Since last year, Chiba City, Noda City, Isumi City, Shisui Town and Kozaki Town changed their conditions.

Child medical expense subsidy, national totals (as of April 1, 2025, Children and Families Agency survey)
Condition	Municipalities	Municipalities in survey	Share
Outpatient care covered through age 18	54	54	100.0%
No income limit	54	54	100.0%
No co-payment for outpatient care	17	54	31.5%
Changed since last year	5	54	9.3%

Filter by conditions

17 municipalities in Chiba Prefecture where child medical care is free through age 18 (no income limit, no co-payment)

Urayasu City, Kimitsu City, Sammu City, Isumi City, Sosa City, Kamogawa City, Yokoshibahikari Town, Katsura City, Tako Town, Tonosho Town, Otaki Town, Chonan Town, Onjuku Town, Kyonan Town, Mutsuzawa Town, Nagara Town, Kozaki Town

0 municipalities where outpatient coverage ends before age 18

None.

0 municipalities with an income limit

None.

37 municipalities with an outpatient co-payment

Chiba City, Funabashi City, Matsudo City, Ichikawa City, Kashiwa City, Ichihara City, Nagareyama City, Yachiyo City, Narashino City, Sakura City, Noda City, Kisarazu City, Narita City, Abiko City, Inzai City, Kamagaya City, Yotsukaido City, Mobara City, Katori City, Yachimata City, Sodegaura City, Shiroi City, Asahi City, Togane City, Choshi City, Tomisato City, Oamishirasato City, Tateyama City, Futtsu City, Minamiboso City, Shisui Town, Sakae Town, Kujukuri Town, Chosei Village, Ichinomiya Town, Shirako Town, Shibayama Town

5 municipalities that changed their conditions since April 2024

Chiba City, Noda City, Isumi City, Shisui Town, Kozaki Town

National survey values as of April 1, 2025. Later changes confirmed on official websites are noted on each municipality's page.

All 54 municipalities in Chiba Prefecture

Subsidy conditions as of April 1, 2025. Population from the resident register, 2024. Last checked September 24, 2026.

Child medical expense subsidy in the 54 municipalities of Chiba Prefecture (as of April 1, 2025, Children and Families Agency survey)
Municipality	Outpatient until	Inpatient until	Income limit (out / in)	Co-payment (outpatient)	Co-payment (inpatient)	Population	Changed
Chiba City	Age 18	Age 18	No	Yes	Yes	983,896	Yes
Funabashi City	Age 18	Age 18	No	Yes	Yes	649,393	No
Matsudo City	Age 18	Age 18	No	Yes	Yes	500,395	No
Ichikawa City	Age 18	Age 18	No	Yes	Yes	494,720	No
Kashiwa City	Age 18	Age 18	No	Yes	Yes	437,634	No
Ichihara City	Age 18	Age 18	No	Yes	Yes	266,861	No
Nagareyama City	Age 18	Age 18	No	Yes	Yes	212,562	No
Yachiyo City	Age 18	Age 18	No	Yes	Yes	206,692	No
Narashino City	Age 18	Age 18	No	Yes	Yes	175,105	No
Urayasu City	Age 18	Age 18	No	No	No	171,322	No
Sakura City	Age 18	Age 18	No	Yes	Yes	169,506	No
Noda City	Age 18	Age 18	No	Yes	Yes	153,538	Yes
Kisarazu City	Age 18	Age 18	No	Yes	Yes	136,843	No
Narita City	Age 18	Age 18	No	Yes	Yes	133,099	No
Abiko City	Age 18	Age 18	No	Yes	Yes	131,317	No
Inzai City	Age 18	Age 18	No	Yes	Yes	111,731	No
Kamagaya City	Age 18	Age 18	No	Yes	Yes	109,757	No
Yotsukaido City	Age 18	Age 18	No	Yes	Yes	96,424	No
Mobara City	Age 18	Age 18	No	Yes	Yes	85,861	No
Kimitsu City	Age 18	Age 18	No	No	No	79,520	No
Katori City	Age 18	Age 18	No	Yes	Yes	69,575	No
Yachimata City	Age 18	Age 18	No	Yes	Yes	66,631	No
Sodegaura City	Age 18	Age 18	No	Yes	Yes	66,091	No
Shiroi City	Age 18	Age 18	No	Yes	Yes	62,218	No
Asahi City	Age 18	Age 18	No	Yes	Yes	61,986	No
Togane City	Age 18	Age 18	No	Yes	Yes	56,524	No
Choshi City	Age 18	Age 18	No	Yes	Yes	53,986	No
Tomisato City	Age 18	Age 18	No	Yes	Yes	49,999	No
Sammu City	Age 18	Age 18	No	No	No	47,745	No
Oamishirasato City	Age 18	Age 18	No	Yes	Yes	47,660	No
Tateyama City	Age 18	Age 18	No	Yes	Yes	43,554	No
Futtsu City	Age 18	Age 18	No	Yes	Yes	40,427	No
Isumi City	Age 18	Age 18	No	No	No	34,705	Yes
Minamiboso City	Age 18	Age 18	No	Yes	Yes	34,066	No
Sosa City	Age 18	Age 18	No	No	No	33,294	No
Kamogawa City	Age 18	Age 18	No	No	No	30,209	No
Yokoshibahikari Town	Age 18	Age 18	No	No	No	22,095	No
Shisui Town	Age 18	Age 18	No	Yes	Yes	20,095	Yes
Sakae Town	Age 18	Age 18	No	Yes	Yes	19,624	No
Katsura City	Age 18	Age 18	No	No	No	15,213	No
Kujukuri Town	Age 18	Age 18	No	Yes	Yes	14,004	No
Tako Town	Age 22	Age 22	No	No	No	13,426	No
Chosei Village	Age 18	Age 18	No	Yes	Yes	13,269	No
Tonosho Town	Age 18	Age 18	No	No	No	12,607	No
Ichinomiya Town	Age 18	Age 18	No	Yes	Yes	12,294	No
Shirako Town	Age 18	Age 18	No	Yes	Yes	10,376	No
Otaki Town	Age 18	Age 18	No	No	No	8,005	No
Chonan Town	Age 18	Age 18	No	No	No	7,074	No
Onjuku Town	Age 18	Age 18	No	No	No	6,912	No
Kyonan Town	Age 18	Age 18	No	No	No	6,679	No
Shibayama Town	Age 20	Age 20	No	Yes	Yes	6,644	No
Mutsuzawa Town	Age 18	Age 18	No	No	No	6,549	No
Nagara Town	Age 18	Age 18	No	No	No	6,233	No
Kozaki Town	Age 22	Age 22	No	No	No	5,634	Yes

Source: Children and Families Agency, Survey on Municipal Child Medical Expense Subsidies (municipal form, attachment 3) / e-Stat, Statistical Observations of Municipalities 2026 (Statistics Bureau of Japan)