World Issues 12Population

Population Numbers

Current population of:

Canada? 34 620 000

United States? 312 540 000

Brazil? 192 400 000

Japan? 128 000 000

The World? 7 Billion

Fast Facts of Canada - (stats Canada)

• By 2034 Canada can reach anywhere between 40 and 47 million people.

• Life expectancy of a new born in Canada for a male is 78; girl 83.

• In 2006, nearly 80% of Canadians were living in urban areas.

• 2001 to 2006, seniorsincreased by 11.5% while children declined by 2.5%(under 15).

Canada – Stats Canada

http://geodepot.statcan.ca/Diss/Highlights/Page3/AnimatedMap_e.cfm

World Fast Facts

1. Every second 5 people are born and 2 people die.2. About half of the population are under age 25.3. 1 in 10 people lived in cities in 1900. By 1994 that figure had grown to 1 in 2.

Christian (33%) and Muslim (22%) are the most practised religion

Arabic, Chinese, English, French, Spanish, and Russian are the mother tongue or Second language for about half of the world`s population.

As of 2009, the median age of the world was 28.4 years.

Important Population Definitions

Demography – the study of population and its’ changes and patterns.

Population Density – the average number of people per square kilometre.

Population Growth Rate – in %, refers to the speed at which a populationgrows per year. (ie. World = 1.092%)

Birth rate – refers to the number of live births in a country per 1000 population per year. (ie. World = 19.12/1000)

Death Rate – refers to the number of deaths in a country per 1000 population per year. (ie. World = 8.12/1000)

Natural Increase – birth rate higher then death rate.

Natural Decrease – death rate higher then birth rate.

Infant Mortality Rate - # of infant deaths per 1000 live births.(World is at 41.61/1000 live births.)

Definitions Continued

Doubling Time - # of years required for a population to double.

Overpopulation – condition where organism’s numbers exceed thecarrying capacity of its habitat. Most commonly refers to therelationship between human population and its environment.

Dependency load – The ratio of people under 15 and over 65 in anypopulation, most commonly shown to reveal the strain onthe working class.

Population Momentum – When the rates of growth are expected todecline but the actual population members continue to grow.Why is this happening in Canada?

Carrying capacity – the max number of people that a habitat cansupport.

Total fertility rate – The average number of children each womenwill have in her lifetime.

http://www.ted.com/talks/hans_rosling_on_global_population_growth.html

Hans Rosling on global population growth

• Swedish medical doctor• discovered konzo, a paralytic disease• Academic and public speaker• co-founded Gapminder Foundation

Demographic Transition Model

Stage 1 Stage 2 Stage 3 Stage 4 Stage 5

High StationaryEarly expanding (Egypt, India) Late Expanding (Brazil)

Low Stationary (USA, France, Japan, UK) 5th Date

•High birth rates and death rates.

•Population growth rates are stable.

•Not many countries are at this stage anymore.

•High birth rates and low death rates.

Population explosion due to natural increase.

The concern is the growing population in the developing world and the impact on environment.

Low death rates and rapidly declining birth rates.

Period of greatest natural increase.

Families still remain large due to the need for support for the elderly.

Improved medical care, fewer children needed.

Birth rates have fallen so population growth is low.

Most developed nations fall into this stage.

What has influenced this stage has been the changing role of women, the use of contraceptives and a increase in the cost of living.

Birth rates drop below the death rate.

The population at this stage is growing older.

Many European nations are currently entering this stage.

Good family planning and good health.

Demographic Transition Model

Demographic Transition Model Activity

• Use this template to fill out the DTM.• The DTM has three lines: Birth rate, Death rate, and Natural Increase.

Label the stages and the two axis.

Identify the three lines on the bottom right hand corner.

Use the finished product as a study guide for your population test.