What is the main study of demography?

Demography is the study of human populations – their size, composition and distribution across space – and the process through which populations change. Births, deaths and migration are the ‘big three’ of demography, jointly producing population stability or change.

What is China’s demographic stage?

In 1971 China began the process of modern demographic transition with a death rate of 0.7% and a drop in the birth rate. In 1976 China began the 2nd stage where birth rates doubled which made China a unique case because it fell outside the conventional model.

What type of study is demography?

Demography is the statistical study of human populations. Demography examines the size, structure, and movements of populations over space and time. It uses methods from history, economics, anthropology, sociology, and other fields.

Who is the father of demography studies?

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

What are the four components of demography?

Demography can be defined as the study of population, typically focused on five aspects: (1) size, (2) geographic distribution, (3) composition, (4) the components of change (births, deaths, migration), and (5) the determinants and consequences of population change (Swanson and Stephan, 2004, p.

What is the population of China in 2020?

China 2020 population is estimated at 1,439,323,776 people at mid year according to UN data. China population is equivalent to 18.47% of the total world population. China ranks number 1 in the list of countries (and dependencies) by population.

What are the two types of demography?

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

Who is known as father of population?

Thomas Robert Malthus was a famous 18th-century British economist known for the population growth philosophies outlined in his 1798 book “An Essay on the Principle of Population.” In it, Malthus theorized that populations would continue expanding until growth is stopped or reversed by disease, famine, war, or calamity.

Who is called Father of demography and why?

John Graunt (24 April 1620 – 18 April 1674) has been regarded as the founder of demography. Graunt was one of the first demographers, and perhaps the first epidemiologist, though by profession he was a haberdasher….

What are the demographics of people in China?

Demographic statistics 1 0–14 years: 17.29% (male 129,296,339/female 111,782,427) 2 15–24 years: 11.48% (male 86,129,841/female 73,876,148) 3 25–54 years: 46.81% (male 333,789,731/female 318,711,557) 4 55–64 years: 12.08% (male 84,827,645/female 83,557,507) 5 65 years and over: 12.34% (male 81,586,490/female 90,458,292) (2020 est.)

How is the aging of the population affecting China?

Demographic and social issues • The proportion of older people (age 65+) relative to the total population is growing in China, which already has the largest population of older people in the world. • Changing family structures and rapid population aging will stress social, economic, and health care infrastructure in China.

What was the population of China in 1982?

The demographics of China demonstrate a large population with a relatively small youth component, partially a result of China’s one-child policy. China’s population reached 1 billion in 1982. In 2019, China’s population stands at 1.417 billion, the largest of any country in the world.

What is the population growth rate in China?

China’s population growth rate is only 0.59%, ranking 159th in the world. China conducted its sixth national population census on 1 November 2010. and its seventh census was completed in late 2020, with data slated to be released in April 2021.