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Block 2 > M1: Demography > Flashcards

M1: Demography Flashcards

1
Q

The study of human populations - their size,
composition, distribution and the causes &
consequences of changes in these characteristics

A

Demography

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2
Q

A branch of statistics that studies births, marriages, deaths, incidence of disease that illustrates the changes in human populations. Both qualitative and quantitative

A

Demography

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3
Q

3 human phenomena

A

(DisCo Pop)

  1. population Size
  2. Composition of the population
  3. Distribution
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4
Q

Refers to how many people in a specific time and
place, may it be in the past or the present. Used to determine rates and trends like in terms of births, deaths, migration, etc.

A

Population Size

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5
Q

4 Composition of the Population

A

(AMOE-ba)

  1. Age and sex
  2. Marital status
  3. Occupation
  4. Education
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6
Q

5 Composition of the distribution

A 
o City
o Country
o Region
o Continent
o Urban/ Rural
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7
Q

2 Function of demography

A

→ Project planning, prioritizing, budgeting and
implementing
→ Predicting future developments and consequences

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8
Q

5 Sources of demographic data

A

(PENSR)

  1. population census
  2. National vital registration
  3. Surveys
  4. Estimates
  5. Registration system
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9
Q

The total process of (collecting, compiling) and publishing demographic, economic and social data pertaining at a specified time or times, to all persons in a country or delimited territory.

A

Census

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10
Q

two types of census:

A
  1. De Jure method

2. De Facto Method

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11
Q

tallies people according to their (regular or legal) residence.

A

De jure method

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12
Q

allocates people to the place

where (one spends the night of the day.)

A

De facto method

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13
Q

It refers to frequency of (occurrence of events over a given interval of time)

A

RATE

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14
Q

The sex ratio at birth is generally about ___ more males than females in the younger age groups

A

105

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15
Q

Mortality rates are generally higher among ___ than

___ in most age groups

A

males, females

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16
Q

The sex ratio tends to decrease with age and eventually fall below ___

A

100

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17
Q

age in which 50% or one-half of the population is aged n years old or over and the other half is below n years old

A

Median age

18
Q

The Ratio where the number of dependents that need to be supported by every 100 persons in the economically active (age groups)

A

AGE-DEPENDENCY RATIO

19
Q

graphical representation of the age and sex composition of the population

A

Population pyramid

20
Q

5 Ways to read the population pyramid are as follows:

A
  1. Titles
  2. Shape
  3. Proportion
  4. Sex ratio
  5. Interpret
21
Q

CONSTRUCTING A POPULATION PYRAMID

A
  1. male bar left, female bar right

2. Length of bar is the population and it falls at a usual age group

22
Q

The three types of population pyramids are:

A

(BeRT)

  1. Beehive
  2. Rectangle
  3. Triangular
23
Q

3 Factors that control shape of pyramids are:

A

(BDsM)

  1. Births
  2. Deaths
  3. Migration
24
Q 
has a broad base (signifying high birth rates) and a
narrow top (signifying a small elderly population)
A

TRIANGULAR PYRAMID

25
Q

3 Pyramids where the Sex ratio: balanced

A

(BeRT)

  1. TRIANGULAR PYRAMID
  2. BEEHIVE PYRAMID
  3. RECTANGULAR PYRAMID
26
Q

Pyramid signifying low birth rates and slow population growth

A

BEEHIVE PYRAMID

27
Q

signifies zero population growth, with a narrow base (signifying low birth rate)
Signifies high life expectancy (usually 80+) Signifies low death rates

A

RECTANGULAR PYRAMID

28
Q

Indicates the ease by which a communicable disease can be transmitted from susceptible host to another

A

CROWDING INDEX

29
Q

Measures the average number of people (added) to the population (per year)

A

ABSOLUTE INCREASE PER YEAR

30
Q

population estimates made on any date (intermediate to two censuses) and take the results of these censuses into account.

They are calculated using data in which a beginning and end years are reported

A

Intercensal estimates

31
Q

estimates of population size on any date in the past or (during a current date) following a census.

They are calculated using data with only a beginning year.

A

Postcensal estimates

32
Q

population estimates made on any date following the (last census) for which (no current reports are available)

A

PROJECTIONS

33
Q

2 methods of projection

A
  1. Component method of projection

2. Mathematical method of projection

34
Q

3 mathematical method

A
  1. Exponential
  2. Geometric method
  3. Arithmetic method
35
Q

The point wherein the earth’s resources cannot sustain its people

A

OVERPOPULATION

36
Q

In 1800’s the world reached ______ people

A

1 billion

37
Q

What does stage 1 pyramid represent?

A

High birth and death rate with short life expectancy although the population can be restored in the future

38
Q

What does stage 2 pyramid represent?

A

Population boom. More middle age and high life expectancy

39
Q

What does stage 3 pyramid represent?

A

Slow population growth and declining birth and death rate

40
Q

What does stage 4 pyramid represent?

A

Low birth and death rate. But high life expectancy or dependency

41
Q

Actual difference between the two consensus counts expressed in the percent (relative to the population size in earlier census)

A

Relative increase

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