Population is the number of people living in an area. A city's population is the number of people living in that city. In Spain we have a population of 46,7 million people.
The population in the world is
now very high. It is around 7 billion and it’s increasing constantly. Watch this web of the world's population.
Population density
Population density is the
number of people per square kilometer. Commonly this may be calculated for a
county, city or a country.
Fertility Rate
Fertility rate is the total
number of children born in a family.
Life expectancy
The number of years in average
that we can live. In modern societies with health care, vaccines and better
eating habits and medicines, people can expect to live more years.
Ethnic Group
A group of people that have in
common a language, background culture, or some history or even some genetic
characteristics.
Pyramid Graph
It represents the population
of a country by age and gender. It can give us valuable information of how the
population is going to be in the future.
Here are some examples:
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