医療
いりょう
iryou
= medical care; healthcare; medicine
医療 (iryou) sits at the heart of Japan’s national identity — a country where universal health insurance has been a constitutional right since 1961, and where the system is routinely ranked among the world’s most efficient. Whether you’re filling out a hospital intake form, watching a medical drama, or reading news about an aging society, this word appears constantly in adult Japanese life.
医療 refers to the organized practice of diagnosing, treating, and preventing illness — what English speakers broadly call “medical care” or “healthcare.” The word operates at an institutional level rather than describing a single act of treatment. You would say iryou wo ukeru (医療を受ける, to receive medical care) to talk about accessing the healthcare system, and iryou kikan (医療機関, medical institution) when referring to hospitals and clinics collectively.
In formal and policy contexts, 医療 pairs with other nouns to build compound terms: iryou hoken (医療保険, health insurance), iryou hi (医療費, medical expenses), and iryou jiko (医療事故, medical malpractice). These compounds appear on insurance forms, government documents, and news headlines, making them essential vocabulary for daily life in Japan.
In casual speech, individuals more often say byouin ni iku (病院に行く, go to the hospital) for specific visits, reserving 医療 for broader discussions about the healthcare system, medical policy, or treatment quality.
A common confusion for learners is treating 医療 and 医学 (igaku, medical science/medicine as an academic field) as interchangeable. 医療 is about the delivery of care to patients; 医学 is about the scientific study of the body and disease. A doctor practices 医療; a researcher studies 医学.
Another point: 医療費 (iryou hi) specifically means out-of-pocket or total medical expenses, which is distinct from 医療保険料 (iryou hokenryou, health insurance premiums). Both appear on annual tax documents in Japan, so keeping them straight is practically important.
Finallyら note that 高度医療 (koudo iryou, advanced medical care) and 救急医療 (kyuukyuu iryou, emergency medical care) are compound terms you’ll encounter if you ever need to navigate a hospital system or read about medical technology in Japan.
医療 is written with two kanji that together map precisely onto the concept. 医 (i) means “medicine” or “healing” — its traditional form depicted a hand holding an arrow (symbolizing injury) alongside a vessel of medicinal wine, giving it a concrete link to the act of curing. 療 (ryou) means “treatment” or “cure,” built from the radical for illness (疒) combined with characters suggesting heat and care, evoking the image of tending to a sick person. Together, 医療 literally conveys “healing through treatment,” with 医 anchoring the medical profession and 療 emphasizing the active process of recovery.
Everyday use
日本の医療は、国民皆保険制度によって支えられています。
Nihon no iryou wa, kokumin kai hoken seido ni yotte sasaerarete imasu.
Japan’s medical care is supported by the universal health insurance system.
Casual / Social Media
医療費が高くて、病院に行くのをためらってしまった。
Iryou hi ga takakute, byouin ni iku no wo tameratte shimatta.
The medical costs were so high that I hesitated to go to the hospital.
Formal / Cultural context
少子高齢化に伴い、持続可能な医療制度の構築が急務となっている。
Shoushi koureika ni tomonai, jizoku kanou na iryou seido no kouchiku ga kyuumu to natte iru.
With the declining birthrate and aging population, building a sustainable healthcare system has become an urgent priority.
Japan’s 医療 system is built on a principle called kokumin kai hoken (国民皆保険, universal health insurance), introduced in 1961 and still functioning today. Every resident — citizen or long-term foreign resident — is required to enroll in either the national health insurance program or an employer-based plan. Co-payments are typically 30% of costs for working-age adults and 10% for those over 75, with monthly caps that prevent catastrophic out-of-pocket expenses. This structure makes the word 医療 deeply intertwined with the concept of social equality in Japanese public discourse.
The word 医療 also appears at the center of Japan’s most discussed long-term policy challenge: the strain placed on the healthcare system by an aging population. Japan has the world’s highest proportion of people aged 65 and over, and government white papers on 医療費 (medical expenses) and 介護医療 (kaigo iryou, nursing and medical care) are published annually. This intersection of demographics and 医療 is a fixture of newspaper editorials, political debates, and university entrance exam reading passages — making it a word learners at the N2 level will encounter regularly in serious written Japanese.