mortality rate: meaning, definition, pronunciation and examples
C1Academic, Technical, Medical, Formal
Quick answer
What does “mortality rate” mean?
The number of deaths in a specific population or from a specific cause during a given time period, typically expressed per 1000 or 100,000 individuals per year.
Audio
Pronunciation
Definition
Meaning and Definition
The number of deaths in a specific population or from a specific cause during a given time period, typically expressed per 1000 or 100,000 individuals per year.
A statistical measure used to quantify the frequency of death in a defined population, often used in public health, demography, and actuarial science to assess health risks, compare populations, and evaluate the effectiveness of interventions.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling of related words may differ (e.g., 'paediatric' vs. 'pediatric mortality rate').
Connotations
Neutral and technical in both varieties.
Frequency
Common in academic, medical, and news reporting contexts in both regions.
Grammar
How to Use “mortality rate” in a Sentence
The mortality rate [from/of disease X] [among population Y] [in region Z] is high.Researchers reported a mortality rate of [number].A high mortality rate is associated with poverty.Vocabulary
Collocations
Examples
Examples of “mortality rate” in a Sentence
adjective
British English
- Mortality-rate data is crucial for the NHS.
- The mortality-rate calculation was complex.
American English
- Mortality-rate statistics informed the CDC guidelines.
- A mortality-rate analysis was conducted.
Usage
Meaning in Context
Business
Used in insurance and actuarial reports to calculate risk premiums and life expectancy.
Academic
Central to epidemiology, public health studies, demography, and medical research papers.
Everyday
Encountered in news reports about health crises, wars, or natural disasters.
Technical
Precisely defined in medical journals, statistical reports, and government health data.
Vocabulary
Synonyms of “mortality rate”
Strong
Neutral
Weak
Vocabulary
Antonyms of “mortality rate”
Watch out
Common Mistakes When Using “mortality rate”
- Using 'death rate' and 'mortality rate' interchangeably in highly technical contexts where distinctions exist (e.g., 'case fatality rate' vs. 'mortality rate').
- Omitting the per population unit (e.g., 'per 100,000') when reporting, making the figure meaningless.
FAQ
Frequently Asked Questions
Mortality rate typically refers to deaths in a general population over time. Case Fatality Rate (CFR) specifically refers to the proportion of deaths among identified confirmed cases of a disease.
No, the denominator can vary (e.g., per 1,000 for infant mortality, per 100,000 for disease-specific rates). The key is that it is always a ratio of deaths to a defined population size over a period.
Yes, it can be used in ecology (e.g., 'the mortality rate of the fish population') and even metaphorically in business (e.g., 'the mortality rate of new startups is high').
While 'birth rate' is a demographic opposite, 'survival rate' is the direct health-focused antonym, representing the proportion of a population that survives a given period or condition.
The number of deaths in a specific population or from a specific cause during a given time period, typically expressed per 1000 or 100,000 individuals per year.
Mortality rate is usually academic, technical, medical, formal in register.
Mortality rate: in British English it is pronounced /mɔːˈtæl.ə.ti ˌreɪt/, and in American English it is pronounced /mɔːrˈtæl.ə.t̬i ˌreɪt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A numbers game (colloquial, when discussing mortality statistics impersonally)”
Learning
Memory Aids
Mnemonic
Think: MORTALity RATE – the RATE at which MORTAL beings die.
Conceptual Metaphor
A BAROMETER OF DANGER ('The mortality rate is a key barometer of the pandemic's severity.')
Practice
Quiz
Which of the following is the most precise synonym for 'mortality rate' in an epidemiological context?