deathrate
Học thuậtThân thiện
Definition
- Noun:
- A demographic statistic: The "deathrate" is the number of deaths in a specified population, scaled to the size of that population over a given time period, typically expressed as deaths per 1,000 individuals per year.
Usage
- The term "deathrate" is used in demography, public health, and epidemiology to quantify mortality within a population. It is a key indicator for comparing health outcomes across different regions, time periods, or demographic groups.
- It is often calculated as: (Number of deaths / Total population) × 1,000.
Examples
- Noun:
- The country's infant deathrate has fallen significantly due to improved healthcare.
- Researchers studied the deathrate from heart disease in urban versus rural areas.
- A rising deathrate in a population can signal a public health crisis.
Advanced Usage
- "Crude death rate": This is the most common form, representing the total number of deaths per 1,000 people in a total population per year.
- The crude death rate provides a general overview of mortality but does not account for age distribution.
- "Age-specific death rate": The death rate for a specific age group within a population.
- The age-specific death rate for adults over 65 is a critical metric for pension planning.
Variants and Related Words
- Mortality rate (n): A synonym for "deathrate," often used interchangeably in technical contexts.
- The mortality rate for the disease was alarmingly high.
- Fatality rate (n): Often used specifically for the proportion of deaths from a particular cause or within a defined group, such as cases of a disease.
- The fatality rate of the virus was a major concern for health officials.
Synonyms
- Mortality rate: The frequency of death in a population.
- Fatality rate: The proportion of a specific group that dies from a particular cause.
Related Phrases
- Birth rate (n): The number of live births per 1,000 people per year, often analyzed alongside the death rate.
- A population grows when the birth rate exceeds the death rate.
- Death toll (n): The total number of deaths from a specific cause or event, not expressed as a rate.
- The earthquake's death toll was estimated in the thousands.
Noun
- the ratio of deaths in an area to the population of that area; expressed per 1000 per year