population formulas Flashcards
1
Q
birth rate percentage
A
[(total births/total population)] × 100
2
Q
crube birth rate
A
[(b ÷ p) × 1,000]
3
Q
death rate
A
[(total deaths/total population)]× 100
4
Q
crude death rate
A
[(d ÷ p) × 1,000]
5
Q
doubling time
A
70/growth rate
6
Q
global pop grwoth rate
A
[(CBR – CDR)]/10
7
Q
national pop growth rate
A
[(CBR + immigration) – (CDR + emigration)]/10
8
Q
percent of rate change
A
[(new # - old #)/old #] × 100
9
Q
pop density
A
total pop size/total area
10
Q
pop growth rate
A
- [(births+immigration)-deaths+emigration)]/total population
- multiply by 100
