(F) Demography Flashcards

(75 cards)

1
Q

The empirical, statistical and mathematical study of human population

A

Demography

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2
Q

The scientific study of human populations with respect to size, structure and development

A

Demography

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3
Q

what are the three foci of demography?

A
  1. Population size
  2. Composition of the population
  3. Distribution of the population
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4
Q

Demography - T or F

The mathematical and statistical study of the size composition and spatial distribution of alien populations

A

F - Human

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5
Q

what are the five aspects hrough the operation of Demography:

A
  • Fertility – increase in birth
  • Mortality – death
  • Migration – in and out migration
  • Marriage
  • Social Mobility – relationship with migration
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6
Q

Uses of Demography - T or F

To determine the number and distribution of a population in a certain area for planning, priority setting and for purposes of fund allocation.

A

True

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7
Q

Uses of Demography - T or F

To determine growth (or decline) and dispersal of population in the past.

A

True

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8
Q

Uses of Demography - T or F

To establish a “causal relationship” between population trends and various aspects of neighbour organization

A

F - Social Organization

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9
Q

Uses of Demography - T or F

To predict past developments and their possible consequences

A

F - Future

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10
Q

Uses of Demography - T or F

Serves as numerators for health indicators

A

F - denominator

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11
Q

Uses of Demography - T or F

Setting up targets of coverage of activities;

A

True

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12
Q

Uses of Demography - T or F

Setting up norms for assignment of health facilities / staff / funds

A

True

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13
Q

Enumerate the tools of demography

A
  1. Counts
  2. Ratio
  3. Proportion
  4. Rates
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14
Q

Tool of Demography

absolute numbers of a population or any demographic event occurring over a specified period, area and time

A

Counts

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15
Q

Tools of Demography

A single number that represents the relative size of two numbers

A

Ratio

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16
Q

Tools of Demography

Special type of ratio in which the numerator is part of the denominator

A

Proportion

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17
Q

Tools of Demography

Measures the amount of change (no. Of new events) in a given period of time

A

Rates

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18
Q

Sources of Demographic Data

A
  1. Census
  2. Sample Surveys
  3. Vital Registration Systems
  4. Continuing Population Registers
  5. Other Sources
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19
Q

Sources of Demographic Data

the total process of collecting, compiling and publishing demographic, economic and social data pertaining to all persons in the country at specified time.

A

Census

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20
Q

Census

Assigns individuals to the place of their usual residence regardless of where they were actually enumerated during the census

A

De jure method

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21
Q

Census

Where people are allocated to the areas where they were physically present at the census date regardless of where they usually live.

Births, Deaths, and Marriages

A

De facto method

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22
Q

Sources of Demographic Data

where demographic information is obtained based on a sample of the population

A

Sample Surveys

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23
Q

Sources of Demographic Data

Continuously record vital events like births, adoptions, deaths, marriages and annulments

A

Vital registration systems

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24
Q

Sources of Demographic Data

Provide continuously updated on particular events that occur to each individual and selected characteristics of this individual

A

Continuing Population registers

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25
# Sources of Demographic Data Voter’s registration, School enrolment, income tax returns
Other Sources
26
Features of a National Census | familiarize or kabisado
* Sponsorship – usually government agency * Definite coverage – definite areas * Universality – all members of the population should be counted without omissions or duplications * Simultaneity – with only one reference date * With provisions for compilation and publication
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Information Obtained in a Census | familiarize or kabisado
* Geographic - Region, province, municipality/ city, barangay (village) * Household or family information - no. of households; no. of household members * Personal characteristics - Sex, age, marital status, place of birth, citizenship
28
# Components of Demography Pertains to: * Actual population size * Changes or trends in population size
Population Size
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# Components of Demography Affected by natality, mortality and migration
Population Size
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# Components of Demography Refers to the location of the population in geographic subdivisions of a given area
Distribution of the Population
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# Components of Demography Pertains to measurable characteristics of the population
Population Composition
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Describing the Population Composition
1. Sex Composition 2. Age Composition 3. Age and Sex Composition
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# Sex Composition Compares the number of males to the number of females
Sex Ratio
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# sex ratio what does >100 and <100 means in the sex ratio?
>100 - More Males <100 - More Females
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# Sex Composition Compares the sex ratio across different categories/ levels of another characteristic
Sex Structure
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# Age Composition * The value which cuts-off the upper 50% and lower 50% of the ages of the population * It is a single index that summarizes the age distribution of a population. * Indicates whether the population is young or old
Median Age
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# Age Composition Provides an index of age-induced economic drain on manpower resources
Age-Dependency Ratio
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Three types of age dependency ratio:
* Youth * Elderly * Total | All three ratios are commonly multiplied by 100
39
study the formula under Age Composition lmao
all of it
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# Age Composition Dependency Ratio does not take into account labor force participation rates by age group.
Age-dependency Ratio
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# Age Composition Some portion of the population counted as "working age" may actually be unemployed or not in the labor force whereas some portion of the "dependent" population may be employed and not necessarily economically dependent.
Age-dependency Ratio
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what are the assumptions made in age-dependency ratio?
* 0-15 (0-14) and 65 and up (≥60) years are economically unproductive * 6-64 (15-59) years are economically productive
43
Factors Affecting Age Composition | Familiarize or kabisado kaw bahala
1. Fertility -- high fertility → young population 2. Urban – rural differences * urban generally older than rural 3. Peace and order situation -- e.g. War 4. Cultural practices - age at marriage - age pattern of childbearing
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# Age and Sex Composition A graphical presentation of the age and sex composition of the population Also enables one to explain and describe the demographic trends of the population in the past
1. Population Pyramid
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Types of population pyramid?
* Expansive * Constrictive * Stationary
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# Population Pyramid pyramid with a wide base
Expansive
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# Population Pyramid It suggests a growing population
Expansive
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# Population Pyramid pyramid with a narrow base
Constrictive
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# Population Pyramid with a somewhat equal proportion of the in each age group. The population is stable, neither increasing nor decreasing,
Stationary
50
Review the constructing a population pyramid
its allat
51
Determinants of the Sex Composition of a Population | familiarize or kabisado
* Sex ratio at birth * Differences between sexes in death rates * Geographic, economic conditions * Occupation * Differences between sexes in net migration rates
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Some Generalization of the Sex Composition of a Population
go over it thanks its allat
53
Consequences of Age and Sex Structure
1. Consumption Patterns 2. Death Rate 3. Rates and patterns of migration 4. Probabilities of marriage for men and women 5. Power structure
54
Is the average number of years a newly born infant is expected to live under the mortality conditions for a given year.
Life Expectancy at birth
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* Derived from the life-tables * Calculated separately for males and females since mortality rates differ between sexes
Life Expectancy at birth
56
# Population Estimation Tools for Measuring Changes in Population Size
1. Natural Increase 2. Rate of Natural Increase 3. Relative increase 4. Absolute increase per year (b) 5. Annual rate of growth (r)
57
# Tools for Describing Changes in Population Size the difference between the number of births and the number of deaths which occurred
Natural Increase
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# Tools for Describing Changes in Population Size the difference between the crude birth rate and the crude death rate of a specific population within a specified time period, usually a year
Rate of Natural Increase
59
# Tools for Describing Changes in Population Size measures the average number of people added to the population each year
Absolute increase per year (b)
60
# Tools for Describing Changes in Population Size the actual difference (i.e., the absolute increase) between two census counts expressed in percent of the initial population size
Relative Increase
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# Tools for Describing Changes in Population Size Also utilizes results of two census counts to quantify the amount of change in population size during a specified time period.
Annual Rate of Growth
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# Tools for Describing Changes in Population Size Assumes that the population is increasing at a constant rate per year.
Annual Rate of Growt
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lol review all the formulas and examples for
Tools for Describing Changes in Population Size its too much
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Types of Estimates and Projections
1. According to detail desired 2. According to time reference 3. According to method (or assumption) used
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# Types of Estimates According to Assumptions used also known as the balancing equation
Component method or Inflow – Outflow Method | review the formula
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# Types of Estimates According to Assumptions used assumes an equal amount of increase every year
Arithmetic Method | review the formula
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# Types of Estimates According to Assumptions used assumes that the population increase (or decreases) at the same rate over each unit of time, e.g. Each year
Geometric Method | review the formula
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# Types of Estimates According to Assumptions used assumes a constant rate of increase (or decrease) and the population is increasing continuously, i.e., a constant rate of change is applied at every infinitesimal amount of time
Exponential Method | review the formula
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Types of projection / Estimation Problems | Familiairze or kabisado, up to u
1. Estimation of an Earlier Population (Po) 2. Estimation of Future Population (Pt) 3. Estimation of the Absolute Increase/decrease per year (b), or constant rate of growth/ decline (r) 4. Estimation of the amount of time (t) it takes for a population to reach a certain number, (Pt) 5. Estimation of doubling time (t*)
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if u see this card
well ur fucked up
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# Classification of Estimate/ Time estimate Estimate on Any date intermediate to 2 censuses and take the result of these census into account
Intercensal Estimates
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# Classification of Estimate/ Time estimate Estimate On any date in the past or during current date following a census, uses recent and earilier census in account but not later censuses
Postcensal Estimates
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# Classification of Estimate/ Time estimate Estimaate made on any date following the last cenus for which no current reports are available
Projections