Human Population Quiz
Population Quiz
1.
2.
3.
4.
5.
6.
What is the current world population?
What is the current U.S. population?
What is the average number of children per family
in the U.S.? In Germany? In Uganda?
What are the 5 most populated cities in the world?
How has the world population changed in the past
200 years? Why did this happen?
If you were to squish together every person on
Earth, how big of an area would that take up?
Population Size
 Now:

In US?
 Over

317 million
In world?
 Over
7.15 billion
 In 2050:

In US?
 392

million
In world?
 About
9.3 billion
Children per Family
 In US?

2.0
 In Germany?

1.3
 In Uganda?

7.1
What are the 5 largest cities in
the world?
1. Shanghai, China (18 million)
2. Lagos, Nigeria (16 million)
3. Karachi, Pakistan (14 million)
4. Istanbul, Turkey (13.9 million)
5. Mumbai, India (12.5 million)
Four Largest Cities in the U.S.
1. NYC – 8.4 million
2. LA – 3.8 million
3. Chicago – 2.9 million
4. Houston – 2.3 million
Human Population Growth
Human Population Growth
Population Year Reached
Years to Reach
1 billion
1850
Tens of thousands
2 billion
1930
80
3 billion
1960
30
4 billion
1974
14
5 billion
1987
13
6 billion
1999
12
Factors Affecting Human
Population Size
Human population is
currently growing
exponentially:
• What will be the
ultimate size of the
human population?
• What is Earth's
carrying capacity?
(How many humans
can Earth support?)
© Brooks/Cole Publishing Company / ITP
What do you think?
 If we cannot provide the
basic necessities for 1
billion people today, how
will we provide these
necessities to an
additional 3 billion people
in 2050?
Where would the world’s
population fit?
 Population maps
Population Videos
 http://www.youtube.com/watch?v=sc4Hx
PxNrZ0&feature=topvideos_education
 http://www.youtube.com/watch?v=VcSX4
ytEfcE
 http://www.youtube.com/watch?v=DCPC
QrxBUOU&NR=1
CLOCK
World & US
clocks