birthrate
Học thuậtThân thiện
Definition
- Noun:
- The ratio of live births in an area to the population of that area; expressed per 1000 population per year: The "birthrate" is a demographic statistic that measures the number of live births per 1,000 individuals in a given population over a one-year period. It is a key indicator of population growth and health trends.
Usage
- The term "birthrate" is used in formal contexts such as demographics, sociology, economics, and public health to discuss population changes, policy planning, and societal trends.
- It is typically preceded by adjectives (e.g., high, low, declining) or used with verbs like "calculate," "measure," or "affect."
Examples
- Noun:
- The country's birthrate has fallen steadily over the past decade.
- Policymakers are concerned about the very low birthrate and its impact on the future workforce.
- To calculate the annual birthrate, divide the number of live births by the total population and multiply by 1,000.
Advanced Usage
- "Crude birthrate": This is the standard term for the basic calculation of live births per 1,000 people per year, without adjusting for age or sex distribution.
- The crude birthrate provides a quick, general snapshot of a population's fertility.
Variants and Related Words
- Fertility rate (n): A more specific measure, typically referring to the average number of children born to a woman over her lifetime.
- Natality (n): A formal synonym for birthrate, used in demographic studies.
- Death rate (n): The ratio of deaths to the population of an area, often discussed alongside the birthrate.
Synonyms
- Natality: (Formal) The ratio of live births in an area to the population.
- Fertility rate: (Related but distinct) The average number of children born per woman.
Related Phrases
- Birth rate decline: A phrase describing a decreasing birthrate.
- The birth rate decline is a major challenge for many developed nations.
- To boost the birthrate: A phrase describing policies aimed at increasing the number of births.
- The government introduced benefits for families to boost the birthrate.
Noun
- the ratio of live births in an area to the population of that area; expressed per 1000 population per year