birth rate
noun
variants
or birthrate
: the ratio between births and individuals in a specified population and time
Examples of birth rate in a Sentence
Recent Examples on the Web
The impacts of birth rate on school enrollment can be seen in grade by grade enrollment, especially among the youngest cohorts of students.
—
Sasha Allen, Hartford Courant, 16 May 2026
The birth rate is also at a record low, and the country’s rapidly aging population declined for the fourth consecutive year in 2025.
—Janis MacKey Frayer, NBC news, 14 May 2026
As the national birth rate continues to decline, multiple schools have closed in neighboring states like Illinois, Wisconsin, Ohio and Indiana.
—CBS News, 14 May 2026
The birth rate is falling, and the world is ending.
—Amanda Whiting, Vulture, 13 May 2026
See All Example Sentences for birth rate
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Sasha Allen, Hartford Courant, 16 May 2026
The birth rate is also at a record low, and the country’s rapidly aging population declined for the fourth consecutive year in 2025.
—Janis MacKey Frayer, NBC news, 14 May 2026
As the national birth rate continues to decline, multiple schools have closed in neighboring states like Illinois, Wisconsin, Ohio and Indiana.
—CBS News, 14 May 2026
The birth rate is falling, and the world is ending.
—Amanda Whiting, Vulture, 13 May 2026
See All Example Sentences for birth rate
Cite this Entry
“Birth rate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20rate. Accessed 21 May. 2026.
Copy CitationKids Definition
birthrate
noun
birth·rate
-ˌrāt 
: the number of births for every hundred or every thousand persons in a given area or group during a given time
Medical Definition
birth rate
noun
variants
or birthrate
: the ratio between births and individuals in a specified population and time often expressed as number of live births per hundred or per thousand population per year
called also natality
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