1. Population Structures

2. Population structures
The rate of natural increase, the birth rates, the death rate and life expectancy all affect the population structure of a country.
Life expectancy – is the number of years that the average person born in a country can expect to live.

3. Population structure
The population structure of a country can be shown by a population pyramid.
Population pyramids are sometimes known as age-gender pyramids.

4. Population structure A population pyramid shows
The males on the left and the females on the right.
The number of each gender in percentages at the base.
The age groups divided into 5 year groups.

5. Population Pyramids Characteristics of population pyramids include:
Wide bases show that the countries population is relatively young.