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Flashcards in Population Deck (11):
1

Define world population.

World population is the total population of humans on planet Earth.

2

Define overpopulation.

A nation is overpopulated if a rise in the population would cause a fall in average income, as the economic resources of the nation are not able to withstand such an increase.

3

Define optimum population.

A nation has an optimum population if it has the size of population that its economic resources can be maintained.

4

Define under-population.

A nation is under-populated if a ride in the population would cause a rise in the average income, as the economic resources are under utilised and could be brought into production, if population was higher.

5

Define participation rate.

Participation rate is the percentage of active population (employed or unemployed).

6

Define dependency ratio.

Dependency ratio is the ratio of the dependant population (children up to the age of 16 and pensioners) to the work force of the country.

7

Define internal migration.

Internal migration is migration within a nation.

8

Define net migration.

Net migration is the difference between the outward migration (emigration) and inward migration (immigration).

9

Define emigration.

Emigration is the number of people who leave a country permanently.

10

Define immigration.

Immigration is the number of people who enter the country permanently.

11

Define demographics.

Demographics is the statistical study of population characteristics.