1.1 Natural increase as a component of population change Flashcards Preview

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Flashcards in 1.1 Natural increase as a component of population change Deck (16)
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1

Natural increase

Difference between the number of births and the number of deaths in a given region

2

Carrying capacity

Largest population that the resources of a given environment can support

3

Population momentum

Population growth at the national level that would occur even if levels of childbearing immediately declined to replacement level

4

Crude birth rate

Number of births per thousand population in a given year.

5

Fertility rate

Number of life births per 1000 women aged 15-19 in a given year.

6

Total fertility rate

Average number of children that would be born alive to a woman during her lifetime.

7

Replacement level fertility

Level at which each generation has just enough children to replace themselves in the population.

8

Crude death rate

Number of deaths per thousand population in a given year.

9

Infant mortality rate

Number of deaths of infants under one year of age per thousand live births in a given year.

10

Life expectancy

Average number of years a person may be expected to live when born.

11

Population structure

Composition of a population, the most important elements of which are age and sex.

12

Population pyramid

Bar chart that shows the distribution of a population by age and sex

13

Sex ratio

Number of males per 100 females of a population

14

Dependency ratio

Ratio of number of people under 15 and over 64 years to those 15-64 years of age

15

Youth dependency ratio

Ratio of number of people 0-14 to those aged 15-64

16

Elderly dependency ratio

Ratio of number of people ages above 64 to those aged 15-64