If annual growth rate of population is 1.2%, the population is likely to get doubled in:
A. 18—20 yearsB. 20—23 years
C. 28—35 years
D. 47 — 50 years
The answer
is D
|
Rate
|
Annual GR
%
|
Yrs
required
|
|
Stationary
|
No growth
|
-
|
|
Slow
growth
|
0.5
|
>139
|
|
Moderate
growth
|
0.5-1
|
139-70
|
|
Rapid
growth
|
1-1.5
|
70-47
|
|
Very rapid
growth
|
1.5-2
|
47-35
|
|
Explosive
growth
|
2-2.5
|
35-28
|
|
Explosive
growth
|
3-3.5
|
23-20
|
|
Explosive
growth
|
3.5-4
|
20-18
|
