The area of a nation is how much land it occupies. The population is the number of people who live in a nation.
Density is the population divided by the area.
It describes how crowded a nation is. The Gross Domestic Prod uct is the total value of goods and services in a nation. The GDP per capita is the Gross Domestic Product divided by the population . Life Expectancy describes how long a typical person in that nation will live. Fertility is the number of children a typical woman will have over her lifetime.