population explosion

American  

noun

1. the rapid increase in numbers of a particular species, especially in the world's human population since the end of World War II, attributed to an accelerating birthrate, a decrease in infant mortality, and an increase in life expectancy.

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population explosion British  

noun

1. a rapid increase in the size of a population caused by such factors as a sudden decline in infant mortality or an increase in life expectancy

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Etymology

Origin of population explosion

An Americanism dating back to 1950–55

Example Sentences

Population explosion in Southern California has, for years, been blamed on beaches and orange groves and local celebrities.

From Los Angeles Times

She added that it was unlikely there would be a population explosion as wildcats live in low density numbers over wider areas and they would be closely monitored and managed.

From BBC

Mosquitoes thrive in warm weather conditions and rely on standing water to breed, making the swimming pools fertile grounds for a population explosion.

From Los Angeles Times

Intensive dairy ranching began here more than 150 years ago, spawned by the Gold Rush population explosion in San Francisco.

From Los Angeles Times

With the expansion of the area’s wetlands in 2021, it saw a population explosion.

From Science Magazine