What is demography Slideshare?

What is demography Slideshare?

• Demography is the “statistical and mathematical study of the size, composition and spatial distribution of human populations, and of the changes over time, in these aspects through the operation of the five processess of fertility, mortality, marriage, migration and social mobility” – BOGUE.

What is demography and its concept?

Demography is the statistical study of human populations. Demographers use census data, surveys, and statistical models to analyze the size, movement, and structure of populations.

What are the 5 stages of demography?

Demographic cycle

• (1) FIRST STAGE (High stationary) It is characterized by both. …
• (2) SECOND STAGE (Early expanding) It begins with the. …
• (3) THIRD STAGE (Late expanding) *Death rate declines further and. …
• (4) FOURTH STAGE (Low stationary) This stage is characterized with. …
• (5) FIFTH STAGE: (Declining)

What is the introduction of demography?

Demography is the scientific study of human populations—their size, their composition, and how they change through births, deaths, and the movement by people from one place to another.

Who is father of demography?

A corner of history: John Graunt, 1620-1674, the father of demography.

What is the importance of demography?

The study of demography is of immense importance to an economy. Population studies help us to know how far the growth rate of the economy is keeping pace with the growth rate of population. If population is increasing at a faster rate, the pace of development of the economy will be slow.

What are the types of demography?

The field of demography can be divided into two general areas, basic or academic demography and applied demography.

What is the main focus of demography?

Demography is the study of the total population, focusing on trends over time, comparisons of subgroups, and causes and consequences of key population parameters.

What is scope of demography?

The scope of demography entails the study of shape, size and density of population according to their occupations, religion and employment. Demography helps in analyzing the socio-economic problems of a place and the problems associated with those places.

What is demography and its cycle?

The demographic cycle, or population cycle, refers to the evolution over time of the population profile of a country, region or other defined geographical area. A population cycle theory has been postulated in terms of the socio-economic history of industrialized countries.

What are the 4 types of demographic transition?

The demographic transition model was initially proposed in 1929 by demographer Warren Thompson. The model has four stages: pre-industrial, urbanizing/industrializing, mature industrial, and post-industrial.

What are the 3 stages of demographic transition?

Stage 1—High birth and death rates lead to slow population growth. Stage 2—The death rate falls but the birth rate remains high, leading to faster population growth. Stage 3—The birth rate starts to fall, so population growth starts to slow.

What are the elements of demography?

In this chapter some of the five generic aspects of demography (a) population size, (b) geographic distribution, (c) composition, (d) components of change (births, deaths and migration), and (e) determinants of change are discussed.

What are the tools of demography?

The Tools of Demography. Count. The absolute number of a population or any demographic event occurring in a specified time period (for example, 1,228,000 live births in Japan in 1990). The raw quantities of demographic events are the basis of all other statistical refinements and analyses.

Why is demography important PDF?

Health Planning High fertility is connected to the child development. So, demography is concerned with the fertility and mortality and studies the birth and death rates. These health problems are solved by the demographer in the establishment of health planning of the country.

Who is the author of demography?

John Graunt, (born April 24, 1620, London—died April 18, 1674, London), English statistician, generally considered to be the founder of the science of demography, the statistical study of human populations.

What is the origin of demography?

The word demography comes from two ancient Greek words, demos, meaning “the people,” and graphy, meaning “writing about or recording something” — so literally demography means “writing about the people.” A demographer is someone who studies a human population’s size, structure, distribution, characteristics, and …

How did demography started?

The roots of statistical demography may be found in the work of the Englishman John Graunt; his work Natural and Political Observations . . . Made upon the Bills of Mortality (1662) examines the weekly records of deaths and baptisms (the “bills of mortality”) dating back to the end of the 16th century.