平均年增长率 0-14 15-59岁 60岁以上 百分比 24 80岁以上 总人口 344.42 全球 较发达地区 较不发达地区 最不发达地区 资料来源:联合国人口署
Percent of population 44 Below age 15 Ages 65 and over 33 15 Sub-Saharan Asia Latin America Europe Africa (less china) Across World Regions, Contrasting Age Structure Will Lead to Sharply Different Demographic Futures.(2004)
Across World Regions, Contrasting Age Structure Will Lead to Sharply Different Demographic Futures.（2004）
城市化与人口增长 80.0 70.0 口 World total 60.0 a More developed regions (*) O Less developed regions (+ 50.0 D Least developed countries(? 40.0 30.0 20.0 10.0 0.0 Ave. pop. growth urban(2003) Urban growth rate Total fertility rate rate(%)(20002005 (20002005) (20002005)
城市化与人口增长 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 Ave. pop. growth rate (%) (2000-2005) % urban (2003) Urban growth rate (2000-2005) Total fertility rate (2000-2005) World Total More developed regions (*) Less developed regions (+) Least developed countries (?
Figure 1 DYNAMICS OF THE URBAN SLUM PROBLEM 8 opulation 7 Rural tban slum 6 Urban other 5 Solutions a Regional development B World b Slum upgrading Pop. c Urban development 2 100 million Urban cwe llers C 1800 1850 1900 1950 2000 2050