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History of Human
Population Trends
Many factors have a ected human population
growth throughout history.
6
1954
Improved medical care,
medicines, and sanitation leads to
an increase in human population.
7
2014
An estimated 1.2 million people
die from AIDS-related causes.
5
1939-1945
Approximately 58
million people are killed during
World War II.
4
1918
The Spanish flu kills between
50 and 100 million people.
1
1347-1351
The bubonic plague
kills one-third of Europe’s
population and 75 million people
throughout the world.
2
1798
The first essay on human
population is written by Thomas
Malthus, who predicted exponential
population growth leading to
famine, poverty, and war.
3
1800
The Industrial Revolution leads
to a dramatic population explosion.
1
2
3
4
5
7
6
Figure 13
Lesson 2 • Human Population
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