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Lecture 1 1

Introducation

Course Logistics

n Go over the course outlines

n Getting to know each other

Why it is important to study

social demography?

n If people are not interested in

demographic phenomena, they are

not interested in themselves.

Joseph A. McFalls Jr in “ Population: A Lively Introduction ”

Why population is important

to study?

n Nearly everything is connected to the characteristics of population, e.g. Economy Society welfare Health Daily life Environment Schooling and job market etc.

Three Primary

Demographic Questions

1. How large (or small) is the population?
2. How is the population composed, in terms of age, sex, race, marital status, and so forth? In other words, what are the characteristics of the population?
3. How is the population distributed spatially?

Hong Kong Population Age

Distribution(2011 to 2021)

China Population Age Distribution

The Answers To The Three

Demographic Questions

The answers to the three demographic

questions are determined in terms

of the three demographic

processes of:

1. Fertility

2. Mortality

3. Migration

A Definition of Demography

Demography is the scientific study of

the SIZE, COMPOSITION, and

SPATIAL DISTRIBUTION of

Human populations; and the changes

that occur in these phenomena

through the processes of FERTILITY,

MORTALITY, and MIGRATION

Formal Demography

A few examples:

1. Age Composition --> Birth Rate
2. Birth Rate --> Age Composition
3. Sex Composition of --> Sex Ratio of the

in-migrants to a city total population of the city

Independent Variable: Dependent Variable:

Demographic Demographic

Population Studies I

(Social Demography)

A few examples:

n Social Class --> Death Rate

(sociological)

n Attitudes of Motherhood --> number of children (social psych)

Independent Variable: Dependent Variable: Non-demographic Demographic