APHUG- Population

• Distribution


  The Earth's surface where people live.
• Population density


  Total number of people divided by total land area.
• Physiological density

  Number of people per unit of arable land.
• Agricultural density


  Ratio of the number of farmers to the amount of arable land.
• Carrying capacity


  Maximum number of people that can live in a certain environment.
• Population growth rate


  Annual rate of population growth.
• Doubling time


  Time required for population to double in size.
• Demographic transition


  Change in population from high birth and death rates to low birth and death rates.
• Epidemiologic transition


  Distinctive pattern of death in each stage of demographic transition.
• Thomas Malthus


  English economist who argued that increase in population would outgrow increase in the means of substances.
• Malthusian theory


  Theory that population grows faster than food supply.
• Pro-natalist


  Policy or attitude that promotes higher birth rates.
• Anti-natalist

  Policies or attitudes against higher birth rates.
• Life expectancy


  Average period someone is expected to live.
• Dependency ratio


  Demographic indicator comparing dependent age people to working age population.
• Push factors


  Factors causing people to leave their home.
• Pull factors


  Factors attracting people to a new location.
• Transferability


  Place, entity, or condition affecting the interaction between two distant locations.
• Intervening obstacle


  Factor making it difficult for people to move from one place to another.
• Forced migration


  Involuntary movement of people away from their homes.
• Internal displacement


  When someone has to leave their home but stay within their country's borders.
• Refugee


  Someone who escaped from their home country for protection from prosecution or violations in another country.
• Transitional Migration


  People living in another country but maintaining ties back to the country they came from.
• Transhumance


  Moving livestock from one grazing ground to another during seasonal changes.
• Rural-urban migration

  Movement of people from rural to urban areas.
• Brain drain


  Large scale emigration of intellectuals or educated individuals from a certain region or country.
• Distribution


  The Earth's surface where people live.
• Population density


  Total number of people divided by total land area.
• Physiological density


  Number of people per unit of arable land.
• Agricultural density


  Ratio of the number of farmers to the amount of arable land.
• Carrying capacity


  Maximum number of people that can live in a certain environment.
• Population growth rate


  Annual rate of population growth.
• Doubling time

  Time required for population to double in size.
• Demographic transition


  Change in population from high birth and death rates to low birth and death rates.
• Epidemiologic transition


  Distinctive pattern of death in each stage of demographic transition.
• Thomas Malthus


  English economist who argued that increase in population would outgrow increase in the means of substances.
• Malthusian theory

  Theory that population grows faster than food supply.
• Pro-natalist


  Policy or attitude that promotes higher birth rates.
• Anti-natalist

  Policies or attitudes against higher birth rates.
• Life expectancy


  Average period someone is expected to live.