All Notes for GEOG 2253

6peryear tfrbelow21nogrowth

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Unformatted text preview: fferent architecture and urban layouts Plethora of daily practices and worldviews 1/23/13 What is a region? A region is a classificatory concept designed to represent physical, cultural, social and economic characteristics for given portions of the Earth’s surface Spatial classifications based on similar traits Not to be confused with continents! Regions are man­made or artificial New England or the South No set agreement regarding regions Population & Settlement— Earth has more than 6.7 (7) billion people 80 million added each year 15,000 births per hour 90% of population growth occurs in the developing world (Africa, Latin America, South & East Asia) Approaches to family planning vary China’s one Child Policy “More Children Please” programs of Western Europe Migration is root cause of population change in the world Greatest migration in human history occurring now Migration from rural to urban More than half of the world’s population live in towns or cities Largest population density in South Asia and East Asia Measuring Population Growth— Important Terms— Rate of Natural Increase (RNI)—annual growth rater for a country or region as a percentage Crude Birth­crude death/total population As of 2009, the world average is 1.2% Total fertility rate (TFR)—the average number of children born by a statistically average woman World TFR rate is 2.6 per year TFR below 2.1=NO GROWTH Wide range of TFR from 1.5 for Europe to 4.8 in Africa Young and old populations Percentage of population under age 15 indicates growth potential World average=27% Africa=41% (Some African countries near 50%) Europe=15% North America=20% Percentage of population over age 65 reflects needs for senior citizens (highest in developed regions; low in LDCs) Population Pyramids (in book) Life expectancy—average length of life expected at birth of a typical male or female in a specific country Indicator of social development Influenced by health services, nutrition, disease, sanitation, etc. Japanese women have the longest life expectancy Life expectancy rates have increas...
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This note was uploaded on 02/07/2014 for the course GEOG 2253 taught by Professor Staff during the Spring '08 term at Oklahoma State.

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