In what way does the population profile of a typical less-developed country differ sharply from that of a highly industrialized nation?

Less developed countries has Expansive population profile are used to describe populations that are young and growing. They are often characterized by their typical ‘pyramid’ shape, which has a broad base and narrow top. Expansive population pyramids show a larger percentage of the population in the younger age cohorts, usually with each age cohort smaller in size than the one below it.

While the highly industrialized nation has Constrictive population pyramids are used to describe populations that are elderly and shrinking. Constrictive pyramids have smaller percentages of people in the younger age cohorts and are typically characteristic of countries with higher levels of social and economic development, where access to quality education and health care is available to a large portion of the population.