Overview (key terms)

• demography 


  changes to the population due to factors e.g. death
• birth rates


  the number of births each year
• migration


  moving from one country to another
• net migration


  how many people in compared to how many people out
• immigration


  move into a country
• emigration


  move out of the country
• infant mortality rate

  • the number of infants that die before their first birthday per 1000 per year
• death rates

  • the number of people that die per year