Population and Settlement

More people than ever!!

  • over 7.5 billion people on earth
  • increasing by 73 million each year
  • approximately 2000,000 a day
  • 90% of this population growth takes place in the developing countries of Africa, South and East Africa, and Latin America
Life expectancy
  • the average number of years to be lived by a group of people born in the same year
population billions   1         2         3        4         5         6        7 
year                         1804  1927  1960   1974    1984   1999   2011
years elapsed       10,000   123    33       14        13        12      12

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