baby boom

American  

noun

1. a period of sharp increase in the birthrate, as that in the U.S. following World War II.

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baby boom British  

noun

1. Also called (esp Brit): the bulge.  a sharp increase in the birth rate of a population, esp the one that occurred after World War II

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Etymology

Origin of baby boom

First recorded in 1950–55

Example Sentences

I was born in 1962, at the tail end of the baby boom era.

From BBC • May 17, 2026

None of this will engineer a baby boom.

From Barron's • Mar. 30, 2026

The aging of the baby boom generation is the main force driving this caregiving crisis: About 10,000 baby boomers are turning 65 every day.

From MarketWatch • Feb. 26, 2026

Theme parks flourished in the wake of World War II, driven by the country’s economic prosperity and resulting baby boom.

From The Wall Street Journal • Jan. 23, 2026

It was the tail end of the baby boom in a heavily Catholic community, back when Catholics still listened to Rome on matters of birth control.

From "Drama High" by Michael Sokolove