HLTHAGE 1BB3 Lecture Notes - Lecture 4: Dependency Ratio, Population Ageing, Infant Mortality

• School: McMaster University
• Department: Health, Aging and Society
• Course: HLTHAGE 1BB3
• Professor: Jessica Gish

Document Summary

Lecture 4 - population aging & aging in canada. What are the social processes that result in population change. Use population pyramid image of size and structure of society. Population is old when more than 10% of its people are over 65. More male than female babies are born 107- 100. More male babies are likely to die than female. Women and men have different causes of death. Women used to live 6 years longer than men, but now it is 4. 5 years: gender gap closing, environmental workplace stresses, health movement less men smoking (healthier lifestyle, advances in occupational health and safety regulations. Canada is #10 of the life expectancy list. Speed of population aging = how fast a population is aging. Rate of aging = number of years that it takes for a population that is over 65 to double. Young people today are gaining from increase in life expectancy.