calculations Flashcards
1
Q
rate of natural increase
A
difference between number of births and deaths in a given year, as a percentage.
2
Q
crude death rate
A
number of deaths per 1000 ppl per year
3
Q
doubling time
A
number of years it takes for a population to dbl in size
rate of natural increase/70
4
Q
crude birth rate
A
average number of births per 1000 ppl
5
Q
total fertility rate
A
average number of children born per woman during her reproductive age (15-49)
6
Q
demographic equation
A
method for calculating total population of a country based on natural increase and migration
7
Q
net migration
A
inmigration-outmigration
8
Q
arithmetic/crude density
A
average number of ppl per unit of land
9
Q
physiological density
A
average number of ppl per unit of arable land
10
Q
agricultural density
A
number of farmers per unit of arable land
