SS - Chapter 3 - Section 1 - World Population Flashcards
Why has the population grown so fast during the last 200 years?
2 reasons
The death rate has gone down.
high birthrates in Asia, Africa, and Latin America
death rate
The number of deaths per year for ever 1,000 people.
birthrate
The number of children born each year for every 1,000 people.
famine
severe lack of food
Name some challenges of population growth.
more food needed
shortage of water and housing
more services required - hospitals, and schools, etc.
What percentage of the Earth’s surface is covered by land?
about 30%
How much of Earth’s land is usable by humans?
about half
population density
average number of people living in a square mile or square kilometer
two-thirds of the world’s population lives in these 5 regions
East Asia, South Asia, Southeast Asia, Europe, and North America
Why does so much of the world’s population live on a relatively small area of the Earth?
Because only half of the land is usable by humans.
Deserts, high mountains and ice-covered lands cannot support large numbers of people.
What are the 2 types of migration?
internal (moving within the same country)
and international (movement between countries)
urbanization
growth of cities
What is one type of internal migration?
urbanization
emigrate
to leave a country and move to another
People emigrate (leave their country) and become immigrants in their new country.
Why has immigration increased so much during the last 200 years?
partly due to better transportation
