geography section 2

• In 1999, the world's population reached 6 billion people
• In 1999, the world's population reached 6 billion people
• If you had a million dollars in thousand dollar bills, the stack would be 6.3 inches high
• If you had a billion dollars in thousand dollar bills, the stack would be 357 feet high, or about the length of a football field including the end zones
• If you had a million dollars in thousand dollar bills, the stack would be 6.3 inches high
• Six billion dollars would be almost 6 football fields high
• If you had a billion dollars in thousand dollar bills, the stack would be 357 feet high, or about the length of a football field including the end zones
• At the world's natural growth rate in 1999, that 6 billion population figure was reached by the births of 230,000 people each day
• Six billion dollars would be almost 6 football fields high
• Birthrate


  The number of live births per thousand population
• At the world's natural growth rate in 1999, that 6 billion population figure was reached by the births of 230,000 people each day
• Birthrate


  The number of live births per thousand population
• Fertility rate


  The average number of children a woman of childbearing years would have in her lifetime, if she had children at the current rate for her country
• Fertility rate


  The average number of children a woman of childbearing years would have in her lifetime, if she had children at the current rate for her country
• Mortality rate


  The number of deaths per thousand people
• Mortality rate


  The number of deaths per thousand people
• Infant mortality rate


  The number of deaths among infants under age one per thousand live births
• Infant mortality rate


  The number of deaths among infants under age one per thousand live births
• Rate of natural increase

  The difference between the birthrate and the mortality rate, or population growth rate
• Population pyramid


  A graphic device that shows sex and age distribution of a population
• Rate of natural increase

  The difference between the birthrate and the mortality rate, or population growth rate
• Push-pull factors


  Reasons for migrating, where push factors cause people to leave their homeland and pull factors attract people to another location
• Population pyramid


  A graphic device that shows sex and age distribution of a population
• Population density


  The average number of people who live in a measurable area, such as a square mile
• Carrying capacity


  The number of organisms a piece of land can support
• Push-pull factors


  Reasons for migrating, where push factors cause people to leave their homeland and pull factors attract people to another location
• The earth's population hit the one billion mark in the early 1800s
• Population density


  The average number of people who live in a measurable area, such as a square mile
• As the world industrialized, people grew more and better food and improved sanitation methods, and the population of the world began to soar
• Carrying capacity


  The number of organisms a piece of land can support
• As more and more women reached childbearing age, the number of children added to the population also increased
• The earth's population hit the one billion mark in the early 1800s
• The number of years between each billion mark gets smaller
• As the world industrialized, people grew more and better food and improved sanitation methods, and the population of the world began to soar
• In 2000, the highest birthrate in the world was more than 54 per thousand in Niger, and the lowest rate was about 8 per thousand in Latvia
• As more and more women reached childbearing age, the number of children added to the population also increased
• The world average birthrate is 22 per thousand
• The number of years between each billion mark gets smaller
• A fertility rate of 2.1 is necessary just to replace current population
• In 2000, the highest birthrate in the world was more than 54 per thousand in Niger, and the lowest rate was about 8 per thousand in Latvia