Topic 2.4 Population Dynamics

Question 1

Crude Birth Rate (CBR)

Answer 1

Total # of live births per every 1,000 people

Equation: Total # of live births per year ÷ mid-year population × 1,000

Question 2

Crude Death Rate (CDR)

Answer 2

Total # of deaths per every 1,000 people

Equation: Total # of deaths per year ÷ mid-year population × 1,000

Question 3

Rate of Natural Increase

Answer 3

measures how quickly a population grows or declines

Equation: CBR - CDR = RNI
Then, divide by 10 to get the percent.

Question 4

Dependency Ratio

Answer 4

the total number of dependents per 100 working age people

of 65+ # under 15 divided by the remaining population *100

Question 5

NOTE

Replacement rate to maintain a population is 2.1

Answer 5

Replacement rate to maintain a population is 2.1

NOTE