the Growth of the World Population (not on spec.) Flashcards
1
Q
What was the history of the world pop. growth?
A
- demographers estimate world pop. reached 500M by 1750
- due to tech. improvement, lands’ carrying capacity improved + pop. grew at an inc. rate
- 1999: world pop reached 6B
- only 12yrs for pop to inc. from 5 to 6B
- Oct. 2011: reached 7B, w another 12yr gap since previous B
- pop. in 2011 was double that of 1967
- Nov. 2022: projected to reach 8B
2
Q
What is exponential growth?
A
- geometric growth
- means pop. doubles at each stage of growth
3
Q
What is arithmetic growth?
A
- growing by same amount each time
4
Q
Where is growth rate highest/lowest?
A
- highest = LICs
- lowest = HICs
