HSCI 212 Lecture Notes - Lecture 3: Total Fertility Rate, Black Death, Infant Mortality
19 Oct 2015
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Encompasses the study of the size, structure and distribution of these populations, and spatial and/or temporal changes in response to birth, migration, aging and death. Can be quantitative to count people in different areas or work with economists to estimate trends. can work for government agencies or ngos. Can be a focus on demography as a whole, look at fertility, or look at disease specific populations. Population dynamics deals with the way populations are affected by birth and deaths and by immigration and emigration, and studies topics such as ageing populations or population decline. world population= 6. 6 billion + (~80 million/yr) + (o) Population (t+n)= population (t) + (births -deaths) + (in-out migrants) If births are smaller than death than it is a negative #, vice versa: demographic transition, life expectancy, fertility, population density. One child law made a huge impact.
