general population (AOS_1)

Question 1

present-day world population distribution

Answer 1

• as of July 2020, there are approx. 7.8 billion in the world
• high density regions in South East Asia, Central and Western Europe, and North America
• low densities in Africa, Australia, Northern Europe, and Western and Northern Asia

Question 2

world population growth

Answer 2

• 1805: 1 billion people
  
  • 1925: 2 billion people
  • 1960: 3 billion people
  • 1975: 4 billion people
  • 1987: 5 billion people
  • 1999: 6 billion people
  • 2011: 7 billion people
  • 2023: 8 billion people
  • 2050: 10 billion people
  • Approx. 2.1% growth rate peak in 1960s
• Predicted growth rate in 2050 is approx. 0.5%

Question 3

main causes of population change: social factors

Answer 3

• education
• emigration
• food security
• healthcare

Question 4

main causes of population change: historical factors

Answer 4

• traditional beliefs

Question 5

main causes of population change: economic factors

Answer 5

• income

- employment

Question 6

main causes of population change: environmental factors

Answer 6

• natural disasters (e.g. drought)

- poor environment conditions

Question 7

main causes of population change: political factors

Answer 7

• policies

- war and conflict

Question 8

main causes of population change: technological factors

Answer 8

• access to information