1.
mortality rate; death rate
The proportion of deaths in a population within a given time period or for a specific cause.
この病気の死亡率は高い。
The mortality rate for this disease is high.
医療の進歩により死亡率が下がった。
The death rate has decreased thanks to advances in medicine.
交通事故による死亡率は年々減少傾向にある。
The death rate from traffic accidents has been trending downward year by year.
死亡 (death) + 率 (rate, ratio). A statistical term used in medicine, public health, and demographics. The word appears frequently in news reports about disease, disasters, and public safety.
COMMON COLLOCATIONS:
- 死亡率が高い — mortality rate is high
- 死亡率が低い — mortality rate is low
- 死亡率を下げる — lower the mortality rate
- 乳児死亡率 — infant mortality rate
- 致死率 — case fatality rate
SIMILAR WORDS:
- 致死率 — case fatality rate — specifically the proportion of deaths among those infected or affected
- 出生率 — birth rate — the demographic counterpart
- 生存率 — survival rate — the inverse concept, often used in cancer treatment