Preview - Population Geography

Population Geography

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Population Geography (27:00)

Item# 41105
©2009

Between the early 19th and early 21st centuries, the global population grew from one billion to more than six billion people. This program describes population geography and explains how experts use it to define groups and forecast changes within those groups. First, population distribution and demographics are described. Then, the effects of birth and death rates on the populations of developed and underdeveloped countries are detailed. Finally, demographic transition models and their importance to the study of population geography are illustrated. Provides clearly defined terminology and relevant examples. (27 minutes)

Segments in this Video - (6)

1. Earth's Population (02:36)

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At present, the population of Earth is at six billion and counting. Population density refers to the average number of people in a defined area. The most densely populated area is Mumbai, India.

2. Demographics (00:60)

Demographics is the study of all aspects of a population. Cities of 1 million or more people stand at 388 today.

3. Population Changes (04:58)

Birth rates and death rates are each measured per one thousand. Changes in population have effects in the following areas: social, economic, political, environmental, and technology.

4. Birth Rates (05:50)

Birth rates are given in the number of babies born per one thousand per year. In some countries, contraception is considered taboo. High fertility rates lead to poverty and high levels of disease.

5. Death Rates (05:07)

Death rates are given in the number of deaths per one thousand people per year.Globally nearly 3 billion people are under the age of 25 years. A demographic transition model shows changes to death and birth rates.

6. Factors Affecting Population (04:31)

Many factors influence population, including ethnicity, religion, education, natural resource, urban and rural proportions, birth and death rates, migration, age, and gender.