2.2 Flashcards
1
Q
crude birth rate (CBR)
A
total number of live births in a year for every 1000 people alive in the society
2
Q
crude death rate (CDR)
A
total number of deaths in a year for every 1000 people alive in the society
3
Q
natural increase rate (NIR)
A
percentage by which a population grows in a year
CBR - CSR -> percent
4
Q
what is the world NIR today?
A
1.2
5
Q
doubling time
A
number of years needed to double a population
6
Q
total fertility rate (TFR)
A
average number of children a woman will have throughout her childbearing years (15-49)
7
Q
dependency ratio
A
number of people who are too young/old to work compared to number of people in productive years
8
Q
sex ratio
A
number of males per 100 females
