The phrase "an explosion in the population of" is correct and usable in written English.
It can be used to describe a significant increase in the number of people in a specific area or demographic group.
Example: "There has been an explosion in the population of urban dwellers over the past decade."
Alternatives: "a surge in the population of" or "a dramatic increase in the population of".
Those laws fueled an explosion in the population of the state's prisons, from 12,000 to about 70,000 in recent years.
According to a study published in Science Magazine by the late Dr. Ransom Myers, the disappearance of sharks there led to an explosion in the population of rays, which have subsequently wiped out virtually all the bay scallop fisheries -- and the fishermen whose livelihoods had depended on the health and sustainability of this resource for over a century.
One school of thought is that extra nutrients lead to an explosion in the populations of the starfish larvae.
Despite an explosion in the deer population, the number of hunters fell from 19.1m to 12.5m between 1975 and 2006.
Long periods of warm, wet weather preceded both the Justinian Plague and the Black Death, which was thought to have resulted in an explosion in the rat population.
In addition to the growing population, there was an explosion in the number of new motor vehicle registrations, a 43-fold increase in the period from 1944 65.
The growth of New York's tortilla industry coincides with an explosion in the city's Mexican population.
A glut of bamboo fruits may incite an explosion in populations of rodents that eat the fruits.
When, by the 1920s, Yellowstone's wolves were finally gone, an explosion in elk population quickly damaged Yellowstone's delicate eco-system of willow beds, forests and meadows.
"There was an incredible explosion in the prison population coupled with a big infusion of gangs," Dr. Austin said.
Although the country no longer rations food, it has kept ho khau in place, in the hopes of staving off a population explosion in the cities.
