test 2 review-2 - Population geography: Population and...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Population geography: Population and Migration A brief history of population growth The end of the last ice age (about 10,000 years ago) Btwn 10-20 million ppl 8000 B.C. to 1 A.D. 1 A.D. to 1750 1750 to 1900 Most pop. growth has occurred since the Industrial Revolution 750 mil in 1750 1900 to 1965 1965 to 2000 Doubling time = # of yrs. for pop. to double Factors affecting human population growth Births, deaths, and migration Population change = (births + immigration) – (deaths + emigration) Ppl coming in – ppl going out = pop. change Zero population growth (ZPG) Right now, pop. Growth= 1.4% Birth rate (crude birth rate) # of births / 1000 ppl / yr. Death rate (crude death rate) # of deaths / 1000 ppl. / yr. Annual rate of population change
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
% = birth rate – death rate x 100 1,000 persons OR % = birth rate – death rate 10 Fertility rates Replacement level fertility # of children a couple must have to replace themselves In develd. Countries=2 In delvelp. Countries=2.5 Total fertility rate Avg. # of children a woman has dur. Her child bearing yrs. In develd. = 1.something In develp= 3 U.S. not even close to ZPG—Why? 40% of legal/illegal immig. In U.S. contributing to pop. Growth Factors affecting birth and fertility rates? Nutrition Medical advances Cost of raising children Public v. private pensions Woman empowerment Urbanized country Access to birth control/abortions Death rates Life expectancy
Background image of page 2
Avg # of yrs. Newborn can expect to live About 77 Infant mortality rate # of infants that die w/in a yr. of birth per 1000 In US=7/1000 Factors affecting the death rate? Sanitation
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/22/2008 for the course GEOG 1101 taught by Professor Connor during the Fall '08 term at University of Georgia Athens.

Page1 / 8

test 2 review-2 - Population geography: Population and...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online