"highest population" is correct and usable in written English.
You could use it to describe a certain geographical region. For example, "The country of India has the highest population in the world."
Djibouti has the highest population growth at over 5percentnt per year.
It also has the fourth highest population density, at 12,845 people a sq km.
Dhaka has the highest population growth in the world, with 3.4 million people living in slums.
These problems are exacerbated by some of the highest population growth rates in the world.
"It's the highest population we've ever seen in the state," Dr. Harris said.
The state has the country's second highest population of Hispanics behind California.
Brookhaven is the largest of Long Island's 13 towns in area and has the highest population of Suffolk's 10 towns.
Or during the 2015 Asian Cup, when the first 20 games were won by the country with the highest population.
The state has the highest population density in the country, more than 1,300 people per square mile, he said.
It's supposed to be the safest town in America and probably has, per capita, the highest population of psychiatrists.
The highest population densities are in South Kalimantan and in eastern, western, and northern coastal areas.
