2.4 Flashcards

1
Q

Demographic equation

A

Calculating the total population by adding and subtracting the total births and total death while also keeping the starting amount

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2
Q

Crude birth rate and equation

A

The average number of births per 1000 people

Births
————- • 1000
Population

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3
Q

What is a disadvantage of crude birth rate

A

It includes men so a population with more women will likely have a higher birth rate

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4
Q

What numbers are a Low birth rate

A

A CBR between 10 and 20 births per year per 1000 people

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5
Q

Transitional birth rate

A

A CBR between 20-30

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6
Q

Number for High birth rate

A

A CBR with more than 30 births

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7
Q

Total fertility rate or fertility rate

A

Average # of births per women from 15-49 years old

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8
Q

What does the fertility rate show?

A

The fertility rate of an area shows the level of replacement in order for the population to stabilize or grow

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9
Q

What effects fertility rates

A

Economic Developments, education, religion, government policies, gender roles

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10
Q

Crude death rates
And equation

A

of deaths per 1000 people death divided by population •1000

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11
Q

Disadvantages of CDR

A

An older population will have a higher CDR than those who don’t

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12
Q

What effects the CDR

A

Economic and wars

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13
Q

Infant mortality rate

A

of infants that die within the first year per 1000 Birthts

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14
Q

What does infant mortality help with showing?

A

The average living standards of a population (health care)

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15
Q

Rate of natural increase
Equation too

A

It is as a %
Difference between birth and death rates
(CDR-CBR) divided by 10 = RNI
This shows how fast the population is growing

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16
Q

Child mortality rates

A

Average number of children under 5 per 1000 people

17
Q

Zero population growth

A

An area that has the same amount of births and deaths so that their RNI is 0

18
Q

Doubling time

A

The number of years it will take for a population to double

19
Q

How to find doubling time

A

Rule of 70!
Divide 70 by the RNI = doubling time in years

20
Q

What are the 3 basic components of population dynamics

A

Deaths
Births
Migration

21
Q

What does population dynamics mean

A

Change of the population