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19 Cards in this Set

  • Front
  • Back
zero population growth
occurs when combined birth rate and immigration rate equals the combined death rate and emigration rate
growth in the proportion of a population living in areas with a population of more than 2,500 people
population growth rate
the rate at which a population is increaseing or decreasing in a given time period, expressed as a % of the population
population explosion
a phrase used to describe rapid population growth in this century
population density
average number of people per square mile or kilometer
over population
the point at which the environment can no longer support a growing population
natural increase
surplus (or deficit) of births over deaths in a population in a given time period
life expectancy
average number of years a person can expect to live at the time of birth
the deliberate killing of an infant
infant mortality rate
number of deaths to infants under one year of age in a given year per 1,000 live birth in that year
doubling rate
the amount of time it takes for a country's population to double based on current statistics
developing country
a country that has low levels of age wealth. industrialization and modernization often has high levels of population growth and people employed in agriculture
developed country
a county that has higher levels of average health, industrialzation and modernization- usually have lower levels of population growth
the study of human population
death rate
number of deaths per 1,000 people in a given year
birth rate
number of births per 1,000 people in a given year
official count of a county's population
average family size
the average size of a family in a certain country
land that can be plowed or tilled easily