birth·rate

[burth-reyt]
noun
the proportion of births to the total population in a place in a given time, usually expressed as a quantity per 1000 of population.

Origin:
1855–60; birth + rate1

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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American Heritage
Medical Dictionary

birthrate or birth rate
n.
The ratio of total live births to total population in a specified community or area over a specified period of time, often expressed as the number of live births per 1,000 of the population per year.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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00:10
Birthrate is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Example sentences
Around the world, there is a tendency for people who are better off to have a lower birthrate.
Right whales are hampered by a relatively low birthrate, and researchers think one cause may be ocean pollution.
While some officials say such efforts have slowed the declining birthrate, statistics suggest otherwise.
It should be acknowledged that inward migration from neighboring countries and a high birthrate are factors.
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