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FCPH > demography > Flashcards

demography Flashcards

1
Q

what are the sources of population data ?

A
  1. registries of vital data
  2. household surveys
  3. census
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2
Q

what information do registries of vital data contain ?

A
  1. national birth and death registries
  2. socio-demographics
  3. health information
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3
Q

what is the best system to use for fertility, mortality, life expectancy and cause of death statistics ?

A

registries of vital data

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4
Q

what are household surveys ?

A

collects information from only a portion of a population of interest

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5
Q

what are the objectives of household surveys ?

A
  1. collecting detailed information about the phenomenon under consideration
  2. determines characteristics about a population using a representative sample
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6
Q

what is a census ?

A

an enumeration of the population, recording the identity of all persons in every residence at a specified time

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7
Q

how often is a census done ?

A

usually every 10 years

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8
Q

who carries out a census in Egypt ?

A

CAPMAS

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9
Q

what are the two census approaches ?

A

de facto developing

de hure

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10
Q

what is the advantage of using the de facto method ?

A

easy to conduct

avoid the problem of defining a place of residence

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11
Q

what is the advantage of using the de jure method ?

A

reflects the actual distribution of the population

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12
Q

which method of census is used in egypt ?

A

de facto

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13
Q

what is the difference between census and a survey ?

A

census is done every 10 years and targets the entire population
whilst a survey can be done at any time and works on a selected sample or subgroup

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14
Q

what is the estimated population ?

A

the number of population in any of the inter census years

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15
Q

what are the methods used to estimate the population size ?

A

natural increase method
arithmetic method
graphic method
geometric method

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16
Q

how is the population size estimated using the natural increase method ?

A

the last census population is added to the difference between the live births and deaths

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17
Q

how is the population size estimated using the arithmetic method ?

A

by calculating the mean increase in population

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18
Q

how is the graphic method used to estimate the population size ?

A

each years census is plotted on a graph and a are connected by a straight line that is then extended to predict the next population size

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19
Q

which of the methods of predicting population size if the most accurate ?

A

geometric method

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20
Q

what are the methods of measuring population change ?

A

rate of natural increase

growth rate

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21
Q

how is the rate of natural increase calculated ?

A

birth rate-death rate
________________
10

22
Q

how is the growth rate calculated ?

A

r = ( b-d)+(i-e)

expressed as per 1000 people

23
Q

what are the stages of demographic transition ?

A 
stage 1 
stage 2
stage 3
stage 4 
stage 5
24
Q

what does stage 1 in demographic transition describe ?

A

both birth rate and death rate are high , RNI is low

25
Q

what doe stage 2 in demographic transitions describe ?

A

rapid drop in death rates but birth rates remain high so the population is increasing in size

26
Q

what does stage 3 in demographic transition describe ?

A

decline in birth rate along with decline in death rate which stabilizes the population

27
Q

what does stage 4 in demographic transition describe ?

A

birth and death rates are both low so the RNI approaches 0

28
Q

what does stage 5 in demographic transition describe ?

A

higher death rates than birth rates causing the population to shrink

29
Q

if the population is shrinking what stage of demographic transition is it a t ?

A

stage 5

30
Q

which stage is considered high stationary ?

A

stage 1

31
Q

which stage is early expanding ?

A

stage 2

32
Q

which stage is late exapnding ?

A

stage 3

33
Q

which stage is low stationary ?

A

stage 4

34
Q

what does the population structure mainly describe ?

A

the age and sex composition of the population

35
Q

what does the median age of a population mean ?

A

is the age at which half of the population is older and half is younger

36
Q

what does the age dependency ratio describe ?

A

the ratio of persons in the dependent ages to those at the working age

37
Q

what is the formula for the age dependency ratio ?

A

population under 15 + pop over 64
__________________
population aged 15-64

all times 100

38
Q

what does the age dependency ratio represents ?

A

the economic burden the working age groups are carrying

39
Q

what information does a population pyramid provide ?

A

percentage of men and women in each age group in a total population

40
Q

what are the characteristics of a population pyramid ?

A
  1. the sum of all age-sex groups in the entire population pyramid equals 100%
  2. the bottom bar represents the population below 5 years of age
  3. the top bar shows the oldest of the population
41
Q

what does the base width of a population pyramid indicate ?

A

the proportion of the young age groups

42
Q

what does the top width of the population pyramid indicate ?

A

the proportion of the elderly

43
Q

what does the height of a population pyramid indicate ?

A

average duration of life expectancy

44
Q

what does the symmetry of the population pyramid indicate ?

A

the similarity or differences in the proportion of males and females in the different age groups

45
Q

what do the sides of the population pyramid indicates?

A
  1. smooth, depression - death, emigration

2 .bulging - immigration

46
Q

what are the three types of population pyramids ?

A

expansive population
constrictive population
stationary population

47
Q

what is the age range for each bar in a population pyramid ?

A

5 years

48
Q

what type of population pyramid would a developed european country have ?

A

stationary population

49
Q

what type of population pyramid would countries in their transition phase have ?

A

constrictive population

50
Q

what type of population pyramid would a developing country have ?

A

expansive population

FCPH (39 decks)

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