Population (continued) Ms. Shrieves. Population Pyramid Review 1. Why does the pyramid narrow toward the top? The death rate is higher among older people.

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Presentation transcript:

Population (continued) Ms. Shrieves

Population Pyramid Review 1. Why does the pyramid narrow toward the top? The death rate is higher among older people than among younger people. 2. Why are there a few bulges and narrower parts in the middle of the pyramid? People in their 20s in 1961 were born during the depression, a time of economic hardship in Canada when people were having fewer children. 3. Why does the pyramid have a wide base? 35% of the population was under 15 – these are the “baby boomers” a large group of people born between 1947 and 1966 when the economy was growing and prospering.

Population Pyramid Review /products/analytic/companion/age/cda01p ymd.cfm /products/analytic/companion/age/cda01p ymd.cfm

Canada’s Population: Past and Future Canada’s birth and death rates have been dropping steadily in the past years. ◦ As a result, what is happening? Population is getting older. - In 1951, one in 10 Canadians was over 65 - In 2020, one in 5 will be over 65

Aging Population Increasing number of elderly people put a big strain on social and medical services Fewer children to look after aging parents Pressure on health care system to provide more long-term care for elderly Cost of health services for the aged continues to rise as medical technology becomes more complex

Dependency Ratio The portion of the population that is being supported by the working population (People under 16 and older than 65 being supported by cohorts b/w 16 and 65 years) Why is it important for a country to know what their dependency ratio is? Children and older people put pressure on medical services, education, housing and other services.

Question: Why does an aging population present a serious problem in the developed world? Having an increasing number of elderly people in a population puts a great strain on social and medical services. There are fewer children to look after aging parents. The need for expensive long-term care and new medical technology is growing.

Population Distribution The way people are spread over the Earth’s Surface

Fun Facts 35% of the world’s land area is not good for settlement Over half the population lives on only 5% of the worlds land 90% of people live on 20% of the land 2/3 of people live within 500km of the ocean

Population Density: The number of people in a given area. Physical Factors: - Climate - Landscape - Resources - Soils - Vegetation - Water - Accessibility Human Factors: - Communications - Culture - Development - Disease - Government Policies

Canada: 3 people per square KM

Pakistan: 202 people per square KM

Monaco: 16,000 people per square KM

 Climate  Resources  Accessibility

 Development  Government Policies

1. Improve technology: Countries with higher levels of technology tend to have more developed economies. 2. Family planning: Reduced population reduces strain on resources, increase in standard of living.

3. Increase resource base: Use own resources to develop itself 4. Improve Literacy rate: Improves access to higher paying jobs. 5. Opportunities for women: Leads to economic development.