134lecture42(apr25)

134lecture42(apr25) - Demography/Social Movements April 25,...

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© 2005 David Schweingruber Demography/Social Movements April 25, 2005 http://www.iastate.edu/~soc.134
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© 2005 David Schweingruber Consequences of demographic transition Most worldwide population growth happened in past 200 years • First billion reached in 1804, sixth billion in Oct. 1999 World population growth is stabilizing • Highest growth rate (2.04%) in late 1960s; now at 1.31% • U.N. projects world pop. stabilizing at 10 billion after 2200 Growth rates vary among nations • Most growth is in developing (stage 2) nations • Some stage 3 nations approach zero population growth (ZPG) Age structures and sex ratios vary among nations
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© 2005 David Schweingruber Birth rates/death rates of six nations, 1998 53.0 23.4 42.4 17.4 14.4 8.8 12.1 7.3 11.7 10.8 9.7 9.6 0 10 20 30 40 50 60 Births/deaths per 1,000 people Niger (2.9%) Afghanistan (5.9%) U.S. (1.0%) Canada (1.2%) Sweden (0.4%) Spain (0.1%) Nations (with annual growth rate) Birth rate Death rate
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© 2005 David Schweingruber Total fertility rates of 20 nations, 1998 At or approaching ZPG Bulgaria 1.14 Italy 1.19 Germany 1.25 Russia 1.34 Austria 1.37 Canada 1.65
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134lecture42(apr25) - Demography/Social Movements April 25,...

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