Changing population and places

Question 1

Crude birth rate:

Answer 1

The number of live births, per 1000 of the population , per year. Expressed as ‰

Question 2

Crude death rates

Answer 2

The number of deaths, per 1000 of the population, per year. Expressed as ‰

Question 3

Age-specific death rate

Answer 3

The number of deaths in a particular age group, per 1,000 of the population, in the same age group [this will be used for looking at COVID, for example]

Question 4

Natural change

Answer 4

The difference between birth rate and death

Question 5

Natural Increase

Answer 5

When birth rate is higher than death rate.

Question 6

Natural Decrease

Answer 6

When death rate is higher than birth rate

Question 7

Doubling time

Answer 7

the number of years needed for a population to double. Divide 70 by rate of natural increase e.g 70 ÷ 4.3%

Question 8

Population momentum

Answer 8

This is when population continues to increase, despite falling birth rates – due to a large number of people in childbearing ages

Question 9

Population projections

Answer 9

predictions about the future population structure, based on fertility, mortality AND MIGRATION

Question 10

Total fertility rate

Answer 10

average number of births per thousand women of childbearing age

Question 11

Life expectancy

Answer 11

average number of years a person can be expected to live at the time of their birth [HL – can use HALE]

Question 12

infant mortality

Answer 12

The number of deaths under 1 year, per 1000 live births, per year. Expressed as ‰