Answer: southern, southern has the most density.
The population density of Southern Mexico is more than the population density of Northern Mexico.
What is population density?Population density refers to a measurement of population per unit land area and it is mostly applied to humans, but sometimes to other living organisms.
It is a key geographical term and in simple terms, population density refers to the number of people living in an area per square kilometre or another unit of land area. Population density is population divided by total land area, sometimes including seas and oceans, as appropriate.
Low densities may further reduce fertility. Examples of the causes of reduced fertility in low population densities are increased problems with locating sexual mates, Increased inbreeding. Population density is population divided by total land area which sometimes includes seas and oceans.
City-states, microstates and urban dependencies are the most densely populated territories in the world.
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