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
Q

Natural increase

A

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

2
Q

Carrying capacity

A

Largest population that the resources of a given environment can support

3
Q

Population momentum

A

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

4
Q

Crude birth rate

A

Number of births per thousand population in a given year.

5
Q

Fertility rate

A

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

6
Q

Total fertility rate

A

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

7
Q

Replacement level fertility

A

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

8
Q

Crude death rate

A

Number of deaths per thousand population in a given year.

9
Q

Infant mortality rate

A

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

10
Q

Life expectancy

A

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

11
Q

Population structure

A

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

12
Q

Population pyramid

A

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

13
Q

Sex ratio

A

Number of males per 100 females of a population

14
Q

Dependency ratio

A

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

15
Q

Youth dependency ratio

A

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

16
Q

Elderly dependency ratio

A

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