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 Reviewhttp://www12.statcan.ca/english/census01

/products/analytic/companion/age/cda01pymd.cfm

Canada’s Population: Past and FutureCanada’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 PopulationIncreasing 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 RatioThe 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 DistributionThe way people are spread over

the Earth’s Surface

Fun Facts35% of the world’s land area is not good

for settlementOver half the population lives on only 5%

of the worlds land90% of people live on 20% of the land2/3 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

Comparison of Countries

Pakistan: 202 people per square KM

Comparison of Countries

Monaco: 16,000 people per square KM

Comparison of Countries

Climate Resources Accessibility

Factors Affecting Population Density (Physical)

Development Government Policies

Factors Affecting Population density (Human)

1. Improve technology: Countries with higher levels of technology tend to have more developed economies.

Responses to Population Growth

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.