Urban population is the midyear population of areas defined as urban in each country.
The definition varies slightly from country to country. Urban population is the midyear population of areas defined as urban in each country. It is measured here as the percentage of the total population. Annual urban population growth rate. Population in urban agglomerations of one million or more is the percentage of a country s population living in metropolitan areas that in 1990 had a population of one million or more people.