birth rate
Definition
Noun: The number of live births per one thousand people in a given population per year. It is a key demographic statistic used to measure population growth or decline.
Usage
The term "birth rate" is used in demographic, economic, and social discussions to analyze population trends. It is typically expressed as a figure (e.g., 12.5) representing births per 1,000 individuals per year. - The birth rate is a crucial factor for government planning in healthcare and education. - A declining birth rate can indicate societal changes or economic pressures. - Researchers compare the birth rate with the death rate to understand natural population change.
Examples
- The country's birth rate has fallen steadily over the past decade.
- Policies aimed at supporting families often seek to increase the birth rate.
- A very high birth rate can strain a nation's resources.
Advanced Usage
- Crude Birth Rate (CBR): This is the specific technical term for the standard birth rate calculation (live births per 1,000 mid-year total population).
- The report highlighted the crude birth rate as a more reliable indicator than total number of births.
- Age-specific Birth Rate: A more detailed measure calculating the birth rate for specific age groups of women.
- Fertility studies often analyze the age-specific birth rate for women aged 20-34.
Variants and Related Words
- Fertility Rate: A related but distinct measure, typically referring to the average number of children born to a woman over her lifetime.
- Natality: A formal synonym for birth rate, often used in demographic literature.
- Live Birth: A key component in calculating the birth rate, meaning a birth where the baby shows signs of life.
Synonyms
- Natality
- Crude Birth Rate (CBR)
- Fertility (in a general demographic context, though technically different)
Antonyms
- Death Rate (Mortality Rate): The number of deaths per 1,000 people per year.
- Net Reproduction Rate: A rate of zero indicates a population replacing itself without growth.
Related Phrases/Concepts
- Replacement Level Fertility: The fertility rate needed for a population to replace itself from one generation to the next, typically around 2.1 children per woman in developed countries. This is a goal often discussed in relation to the long-term implications of the birth rate.
- Baby Boom: A period marked by a significant, sustained increase in the birth rate.
- Population Pyramid: A graphical illustration that is shaped by historical birth rates.
Noun
-
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
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