lect02-16-10

lect02-16-10 - Readings(Week 5 Miller and Spoolman Chapter...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Readings (Week 5) Miller and Spoolman, Chapter 6 Haub, C. "Global and U.S. National Population Trends", Consequences, Vol 1, No. 2, 1995 http://www.gcrio.org/CONSEQUENCES/summer95/popula tion.html Dasgupta, P. "Population, Poverty and the Local Environment", Scientific American, February 1995 The World's 10 Largest Countries in Population 2009 Population (millions) China India United States Indonesia Brazil Pakistan Bangladesh Nigeria Russia Japan 1,331 1,171 307 243 191 181 162 153 142 128 2050 Projected Population (millions) India China 1,437 United States Indonesia Pakistan Nigeria Bangladesh Brazil Dem. Rep. Congo Philippines 1,748 439 343 335 285 222 215 189 150 Source: Population Reference Bureau 2009 World Population Data Sheet http://www.prb.org/pdf09/09wpds_eng.pdf Crude Birth & Death Rates Average crude birth rate Average crude death rate Developed countries tend to have lower birth rates & death rates than developing countries World 8 All developed countries 20 12 10 All developing countries 8 Developing countries (w/o China) 22 26 8 Slide 3 Crude Birth & Death Rates Africa has highest birth and death rates Death rate is also relatively high in Europe and almost equals birth rate Africa 12 Latin America 6 Asia 7 Oceania 7 United States 8 North America 8 Europe 11 11 Slide 4 36 20 19 17 14 14 Birth & Death Rates Over Time Death rates have decreased markedly during the past 100 years Birth rates have also decreased, but not as fast as death rates Increasing difference between birth & death rates is what has lead to rapid population growth Patterns of change in birth & death rates over time are different for developed vs. developing countries Birth & Death Rates Over Time Developed Countries 50 In developed countries, decreases in death rates over time have mostly been accompanied by decreases in birth rates 40 Rate of natural increase 30 Crude birth rate 20 Crude death rate Rate of natural increase = crude birth rate crude death rate 0 1775 1800 1850 1900 Year Slide 22 10 1950 2000 2050 Birth & Death Rates Over Time In developing countries, decreases in death rates over time have historically not been accompanied by as large decreases in birth rates, leading to major population increase Developing Countries 50 Crude birth rate 40 Rate per 1,000 people Rate of natural increase 30 Crude death rate 20 10 0 1775 1800 1850 1900 Year 1950 2000 2050 Slide 23 Life Expectancy & Infant Mortality Life Expectancy: average number of years a newborn infant can be expected to live World - 69 years MDC's - 77 years LDC's - 67 years Infant Mortality Rate: number of babies out of every 1000 born each year that die within a year of birth World - 46 MDC's - 6 LDC's - 50 Source: Population Reference Bureau http://www.prb.org/pdf09/09wpds_eng.pdf Variation & Trends in Life Expectancy 67 49 54 59 70 71 76 65 56 44 Africa Asia Latin America/Caribbean 1965-1970 2000-2005 MDCs World Source: United Nations, World Population Prospects: The 2002 Revision (medium scenario), 2003 Infant Mortality Rates Infant mortality rates tend to be lower in developed countries Infant deaths per 1,000 live births <10 <10-35 <36-70 <71-100 <100+ Data not available Fertility Replacement Level Fertility: number of children needed by a couple to maintain a constant population in the long-run Ranges from about 2.1 (in MDC's) to more than 2.5 (in some LDC's) Total Fertility Rate: average number of children born to a woman during her child-bearing years World: 2.6 MDC's: 1.7 LDC's: 2.7 ...
View Full Document

This note was uploaded on 04/30/2010 for the course ARE 110 taught by Professor Ebbin,s during the Spring '08 term at UConn.

Ask a homework question - tutors are online