Explanation

The density of the world population as a whole is 38 persons per sq. km.

Asia has the highest density of 108 persons per square km

It comprises 60 percent of the population of the planet.

about 30% of Earth's total land area and 8% of Earth's total surface area

It is the most densely populated continent on the earth.

the total area of the Asia continent: is 44.58 million km²

while

Europe with 101 persons per square km ranks second.