World Population – Including Historical Estimates
Year
Population in Billions
500
1000
1100
1200
1300
1400
1500
1600
1700
1750
1800
1850
1900
1930
1950
1960
1970
1980
1990
2000
2010
2020
2030
.21
.25
.3
.4
.43
.37
.46
.58
.68
.77
1.0
1.24
1.63
2.07
2.52
3.02
3.70
4.45
5.29
Based on this data, estimate what you think the world population was in 2000 and predict
what it will be in 2010 and beyond. Make a graph of the data to get a picture of the world
population growth. What rate of growth did you use in making your predictions?
Visit To My
Friend’s Farm
1
2
3
4
5
6
7
Number of
Cats
3
9
27
81
n
Visit Home
0
1
2
3
4
5
6
7
n
Number of
Dogs
3
5
11
29
83
n
0
1
2
3
4
5
6
f(n)
1
2
4
8
16
n
n
0
1
2
3
4
5
6
n
f(n)
0
2
4
6
Population to the Nearest Million
Year
Argentina
Kenya
U.S.A.
1950
17
6
152
1990
32
16
250
Which of the three countries in the table grew the most?
Which of the three countries in the table grew the fastest?
Explain your reasoning in each case.