Class Notes (808,384)
Canada (493,172)
HLTHAGE 1BB3 (288)
Anju Joshi (127)
Lecture

# Demographics of aging in Canada jan 22.docx

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School
McMaster University
Department
Health, Aging and Society
Course
HLTHAGE 1BB3
Professor
Anju Joshi
Semester
Winter

Description
Demographics of aging in Canada: Demography: - Is the study of populations and those variables bringing about changes in that population Demographic or population aging: - Is the process whereby a population is made up increasingly of older age groups- especially those 65 years and older The United Nations definition: - A population is considered “AGED” when more than 7% of it is over 65 years of age 2011 census- Canada: - According to the 2011 census, the number of Canadians aged 65 and over increased by 14% between 2006 and 2011 - In comparison, the number of children aged 14 and under increased by .5% in the previous 5 years - The 65 and over population made up a record 14.8% of the total population of Canada in 2011 - More old-old in Canadian society - People aged 80 years and over: their number topped the 1 million mark for the first time in 2006 (1.2 million) Life expectancy: - The average number of years of life remaining at a given age (e.g. at birth, at age 65) or the average number of years a person is projected tolive at a given age - Varies by culture, geographic region, gender, ethnicity, education, personal habits etc. - Dependency-free- life expectancy: number of people in a given population can expect to live in reasonably good health (disability free) Sex ratio: 2011 census - By age 65 there were about 125 women for 100 men - By age 80 there were 170 women per 100 men - By age 100, 500 women for 100 men Life span: - The theoretical maximum number of years an individual can live - Life span is the fixed, finite maximum limit of survival of a species (120 for humans?) - LS has increased and will continue to increase Measuring population aging: Population pyramid: - Two bar graphs laid back to back - Goal is to provide a conceptual image of how a populations age-sex structure looks - Males and females are on opposite sides - Each bar represents the number of people of each age and sex in the population - References in textbook- p.66 exhibit 4.5 Median age: - An age at the midpoint of a population- ½ of the population is older than the median, ½ of the population is younger - The median age in Canada was 30 in 1983, in 2006 the median age was 39 and it is expected to reach 48 is 2031 - In 2011 the median age was 40 - Median age of 30+ is old -
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