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HLTHAGE 1BB3 (288)
Anju Joshi (127)
Lecture 4

HLTHAGE 1BB3 Lecture 4: Health and Aging 1BB3 Lecture 4

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Health, Aging and Society
Anju Joshi

Lecture 4: Population Aging and Social Change • Demography: study of population • The United Nations Definition: whenever the population is greater than 7% over 65 it is an aging population. o 65 is “old age” in Canada, 84 in Japan (highest number) o 50 is “old” as a homeless person: harsh conditions, life expectancy Measures of Population Aging -ways demographers study how the composition of a population changes 1. median age of the population 2. the number of older people in a population (percentage of birth and death age) 3. proportion of older people in a population Global Aging -aging in the developed nations (Canada, Sweden, Japan) • pensions • support • aging population place heavier demands on government, community, and family support systems • rethink health care services to best benefit seniors • work longer and raise taxes to cover increased costs and national debt -aging in the least developed nations (Haiti, Ethiopia, Bangladesh) • no infrastructure (high economic vulnerability) • rapid urbanization leaves the old to fend for themselves • poor human development indicators - AIDS wipes out middle age workers, therefore less caregivers • low incomes -aging in the less developed nations (China, India, Vietnam) • developing economies - more than one quarter below the poverty line • China’s one child policy left for a disproportionate number of elderly to young people • at current rates of population change, China will get old before it gets rich • culture is that the old have to support their families however sometimes not feasible • an increase in 80+ population will put a burden on the young • hard to meet the needs of its growing population -percentage of pop. in Canada over the age of 65 - 15% -percentage of pop. in Canada over 80 - 4% -by 2050 over 80 - 10% -by 2100 over 80 - 15% According to Stats Canada: -the median age in canada is 40.4 years old • men - 39 years old • women - 41 years old -life expectancy is 83 for women and 79 for men -after 65, you have about 15 years of disability free life expectancy -atlantic provinces have the highest aging population, while lowest in Alberta *increased life expectancy in current years • Demographers study three conditions that affect a population’s size and structure: 1. Immigration (3) o accounts for 6 percent of Canada’s population growth from 1946 to 1978 o more people leave Canada in their own age,
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