2. • Distribution, composition, migration, and growth of populations
are related to the nature of places.
WHAT IS POPULATION GEOGRAPHY ?
3. • Overpopulation is an undesirable condition where the number of existing human
population exceeds the carrying capacity of Earth
• Under-population is having a low population rate than expected e.g Rural areas
OVERPOPULATION AND UNDER-POPULATION
4. • Migration – Movement of people from one geographical place to another.
• People migrate for many different reasons. These reasons can be classified
as economic, social, political or environmental:
• economic migration - moving to find work or follow a particular career path
• social migration - moving somewhere for a better quality of life or to be closer
to family or friends
• political migration - moving to escape political persecution or war
• Environmental - causes of migration include natural disasters such as flooding
HOW DOES POPULATION CHANGE
5. • Immigration is the Influx (Arrival/entry) of people into an area.
Through Birth
Pull Factors
Emigration the act of leaving one's own country to settle permanently in
another; moving abroad
Through mortality
Push factors
IMMIGRATION AND EMIGRATION
6. • Illegal refugees
• Environment
• Poverty
• Food and Water
• Unemployment
DANGERS OF OVERPOPULATION MOVEMENT