SOC312H1 Chapter Notes - Chapter 4: Hans Rosling, Maternal Death, Population Momentum
Document Summary
Hans rosling global population growth box by box (ted talks) Lecture 4: demographic composition age and sex structure. Three age segments of key interest: under 15, aged 15-65, 65 and older. Rough approximately for calculating economic dependency burden in a society. Total-, youth-, and old age dependency ratios. Social insurance more generous for elderly; the development of infrastructure around health and social insurance, has grown disproportionately for elderly than children. (not building more schools, etc. ) Age pyramids: pictorial representation of age and sex composition. Canada"s age pyramid in 2006 (fig 4. 1: baby boomers, busters, children of boomers, etc. General typology of age pyramids: more vs. Least developed yet (fig 4. 2: rapidly growing vs. Slight bulge to the right side; not perfectly symmetrical because of higher mortality rates for men, and there"s more hollowing effect (women have longer life, take care of self,) Stable population distribution conditions: what is stable is the shape of the age distribution.
