Demography Flashcards

1
Q

The scientific study of human populations.

A

Demography

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2
Q

o Population size
o Population structure/composition
o Population distribution in space

A

demography

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3
Q

population size is affected by:

A
  • Natality
  • Mortality
  • Migration
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4
Q

2 Methods of Population Allocation:

A
  • de facto method
  • de jure method
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5
Q

people are counted or allocated to the area where they were physically present at the time of the census.

A

de facto method

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6
Q

people are counted or
allocated to the place of their usual residence.

A

de jure method

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7
Q

Determines the number of percentages of the population according to the categories of
important socio-demographic-economic variables.

A

population composition

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8
Q

Factors Affecting Population Composition

A
  • birth rate
  • death rate
  • emigration
  • immigration
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9
Q

indicator of age-induced
economic drain on human resources.

A

age dependency ratio

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10
Q

2 age groups of dependents:

A

Children (0-14yo).
Elderly (≥65yo)

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11
Q

economically active group

A

15-64 yrs

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12
Q

: computed by dividing the number of males by the number of females using a factor of 100.

A

sex ratio

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13
Q

Interpreted as the number of males for every 100 females in the population.

A

sex ratio

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14
Q

Graphical presentation of the age and sex structure of a population.

A

The population Pyramid

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15
Q
  • male population is shown at the left and females at the right.
  • The youngest age group is the base and the oldest is the top.
A

Special type of histogram

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16
Q

Description of how people are distributed in a specified space or geographic area

A

Population Distribution

17
Q

Population Distribution is affected by:

A
  • Physical
  • Political
  • Social/Cultural
  • Economic
18
Q

of ppl/land area

A

population density

19
Q

of household members/# of rooms in the house

A

crowding index

20
Q

Computation of future changes in population numbers, given certain assumptions about
future trends in the rates of fertility, mortality and migration.

A

Population Estimation

21
Q

Measures of Changes in Population Size:

A
  • Natural increase
  • Rate of natural increase
  • Relative increase
  • Absolute increase per year (b)
  • Annual rate of growth (r)
22
Q

Natural increase in a specific place and time = number of births – number of deaths

A

Natural Increase

23
Q

The rate of natural increase in a specific place and time.
= crude birth rate (CBR) – crude death rate (CDR)

A

Rate of Natural Increase

24
Q

The actual difference between 2 census counts expressed in percent relative to the population
size of the prior census

A

Relative Increase

25
Measures the average number of people added to the population per year.
Absolute Increase Per Year (b)
26
* Also utilize results of 2 censuses to quantify the amount of change in population size. * Assumes that the population is changing at a constant rate per year.
Annual Rates of Growth (r)
27
- Take into account all the operations that can affect population size. - Component Method - Mathematical Method
Method of Estimation
28
Also known as inflow-outflow or balancing equation method.
Component Method
29
assumes equal change every year
Arithmetic method
30
assumes that the population changes at the same rate over each unit.
Geometric method
31
assumes a constant rate of change (r) and population is increasing continuously
Exponential method
32