2. What’s demography?
Demography is the study of population. Population means the total number
of people that live in an area. The population of the world is more than 7
billion people.
3. Why does population change?
Population changes
because people are born
or die. The average
number of children per
family is called the fertility
rate.
Population also
changes because
people move around.
This is called
migration.
4. How do we represent population?
We can represent population using graphs and charts.
a) is a pie chart; b) is a pyramid graph; c) is a line graph and d) is a bar
chart.
5. What information do pyramid graphs give
us?
Pyramid graphs give us information about population growth. They
also give us information about age and gender distribution.
6. We can divide the population of a country into groups according to various
factors, such as gender or age.
What population groups are there?
People that have a common language and culture form an ethnic group. This
means that we can divide populations into ethnic groups, such as Chinese,
Indian and Native American. We can also divide population into groups
according to religion.
7. What’s the population of Spain like?
Spain’s population density is 91
per km2. In some areas, such as
cities, there are many more
people living in each square
kilometre. In rural areas, there
are a lot fewer.
Spain’s population has increased
during the past century.
Population growth was especially
high from 2000 to 2011. In 2012
the population began to decrease.
8. There are 28 countries in the EU. As a result, the EU’s population contains
many different ethnic groups, and 7% of the EU’s population are immigrants.
The EU’s population is 52% female and 48% male.
What’s the population of Europe like?
The population density of the EU is 114 per km2. There are big differences
between the population densities of EU countries.
9. What have we learnt?
line graphs pyramid graphs
We can represent population using …
pie charts bar charts
10. What have we learnt?
gender ethnicity
Population groups include …
religion age
