YR 12 Population and migration definitions

Question 1

Crude Birth Rate
Crude death rate
Natural change
Natural increase
Natural decrease

Answer 1

Crude birth rate- The number of live births per thousand of the population per year
Crude death rate- The number of deaths per thousand of the population per year
Natural change- The difference between the number of deaths and number of births in a place
Natural increase- When the number of live births is higher than the number of deaths there is a natural increase in the population. The population will rise.
Natural decrease- When the number of deaths is higher than the number of live births there is a natural decrease in the population. The population will fall.