Unit 1: Changing Population

Question 1

Population Distribution

Answer 1

The “spread” of people across the world (eg. where they live).

Question 2

Voluntary Internal Migration

Answer 2

The movement of people from one place to another within a country involving a permanent change of address.

Question 3

Core-Periphery

Answer 3

The concept of a developed core surrounded by an undeveloped periphery (eg. Brazil).

Question 4

Megacity

Answer 4

A metropolitan area with a population of 10+ million people.

Question 5

Population Change

Answer 5

The balance between Birth Rate (BR), Death Rate (DR) and migration.

Question 6

Birth Rate

Answer 6

of live births / 1000 people / year

Question 7

Death Rate

Answer 7

of deaths / 1000 people / year

Question 8

Natural Increase

Answer 8

Calculated by: Crude DR - Crude BR and expressed as a % of population (not taking migration into account).

Natural Increase: When BR is greater than DR
Natural Decrease: When DR is greater than BR

Question 9

Doubling Time

Answer 9

of years needed for a population to double.

Question 10

General Fertility Rate

Answer 10

of live births / 1000 women of child bearing age (15-49) / year.

Question 11

Total Fertility Rate

Answer 11

Average # of children born / female, if all females lived to end of childbearing years.

Without migration, population decreases naturally when TFR is less than 2.1 (replacement rate).

Question 12

Life Expectancy

Answer 12

Average # of years a person can be expected to live from birth if demographic factors remain unchanged throughout their life.

Question 13

Infant Mortality Rate

Answer 13

of deaths of infants ( < 1 yrs old) / 1000 live births / year

Question 14

Child Mortality Rate

Answer 14

of deaths of children ( < 5 yrs old) / 1000 live births / year

Question 15

Population Momentum

Answer 15

The tendency of a population to grow despite a fall in BR or fertility.

Question 16

Population Projection

Answer 16

Predictions about future population based on trends in fertility, mortality & migration.

Question 17

Migration

Answer 17

Any population movement involving a permanent change of residence of at least 1 year’s duration.

Question 18

Internally Displaced Person

Answer 18

Someone forced to flee their home, but who remains within their country’s borders.

Question 19

Sex Ratio

Answer 19

The proportion of males to females in a given population, usually expressed as # of males per 100 females.

Question 20

Gender Imbalance

Answer 20

Disparity between males and females in a population.

Question 21

Demographic Dividend

Answer 21

A phenomenon in which the majority of the population is economically active, with a low dependency ratio, as produced by the lag time between falling DR and falling BR (eg. India).