SOC312H1 Chapter Notes - Chapter 4: Dependency Ratio, Population Ageing, Social Science
Document Summary
Chapter 4 age and sex structure: all demographic phenomena either directly or indirectly determined by age, the processes of birth, death and migration the three key demographic processes are all age dependents. O(cid:272)iologi(cid:272)al i(cid:373)porta(cid:374)(cid:272)e of these t(cid:449)o de(cid:373)ographi(cid:272) (cid:272)hara(cid:272)teristi(cid:272)s e(cid:454)plai(cid:374) to so(cid:272)iet(cid:455)"s. This chapter will examine age and sex composition in the context of demographic analysis specifically with regards to fertility mortality and migration. The term composition refers the distribution of the population in accordance with the intersecting characteristic of age and sex. In demographic analysis population data are usually arrayed according to age and sex. A dependency ratio greater than hundred indicates the presence of more dependents than workers and the population. The higher the ratio the greater the depe(cid:374)de(cid:374)(cid:272)(cid:455) (cid:862) (cid:271)urde(cid:374)(cid:863) o(cid:374) the (cid:449)orki(cid:374)g populatio(cid:374) a(cid:374)d a ratio (cid:271)elo(cid:449) hu(cid:374)dred (cid:449)ould signify the opposite situation. Overall dependency ratio is the sum of the youth and old age dependency ratio.
