mortality rate

American  

[mawr-tal-i-tee reyt] / mɔrˈtæl ɪ ti ˌreɪt /

noun

1. the relative frequency of deaths in a specific population during a specified time, often cited as the percentage of human deaths during a public health crisis, or of wildlife deaths due to environmental perils.

   Patients over the age of 80 had the highest mortality rate during the last flu season.

   The mortality rate of the bald eagle falls to about 25 percent after the first year of life.

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mortality rate British  

noun

1. another term for death rate

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Etymology

Origin of mortality rate

First recorded in 1860–65

Example Sentences

The figures released Thursday reflect the most recent final federal data on U.S. mortality rates.

From The Wall Street Journal

"People of color face both higher baseline mortality rates and higher rates of exposure to pollution from wood burning," Shlipak said.

From Science Daily

The data has been adjusted for factors known to affect mortality rates, including socio-economic deprivation, ethnicity and the gestational age at birth.

From BBC

And this follows Ukraine's population declining between 1992 and 2022, from 52 million to 41 million, due to a high mortality rate, migration and a decline in birth rates.

From BBC

The rising mortality rate tracks warming and drying linked to climate change, and the study found the fastest rise in hotter, dryer regions.

From Barron's