population dynamics

Question 1

what is birth rate?

Answer 1

the number of births per 1000 people in a year

Question 2

what is death rate?

Answer 2

the number of deaths per 1000 people in a year

Question 3

what is natural increase?

Answer 3

The difference between the birth rate and death rate (when birth rate is higher than death rate)

Question 4

natural decrease

Answer 4

The difference between the birth rate and death rate (when death rate is higher than birth rate).

Question 5

infant mortality rate

Answer 5

The number of deaths of infants under one year old per 1,000 live births per year.

Question 6

life expectancy

Answer 6

The average number of years a person is expected to live based on current mortality rates.

Question 7

overpopulation

Answer 7

When there are too many people in an area relative to the available resources, leading to poor living conditions.

Question 8

underpopulation

Answer 8

when there are too few people in an area to use the resources available effectively

Question 9

optimum population

Answer 9

the best balance between a population and the resources available to it

Question 10

population density

Answer 10

The number of people living per square kilometer.

(population/area)

Question 11

population distribution

Answer 11

The way people are spread out across a region or country.

Question 12

population explosion

Answer 12

A sudden and rapid increase in the world’s population due to high birth rates and falling death rates.

Question 13

ageing population

Answer 13

A population with a high proportion of elderly people due to low birth rates and high life expectancy.

Question 14

dependency ratio

Answer 14

The ratio of dependents (young and elderly) to the working-age population.

Question 15

pro-natalist policy

Answer 15

A government policy designed to encourage people to have more children

Question 16

anti-natalist policy

Answer 16

A government policy designed to reduce birth rates