Population distribution is how people tend to live in uneven clusters on Earth's surface. Population density is when you try to find out how many people live in an area, how you find the number of...
densty =people per sq ft.
Population density is how populated one section of a place is. Population dispersal is how well dispersed a group of people are among a place.
the population distribution and population density of japan is 126,974,628
beats me