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|The ratio of the number of farmers to the total amount of land suitable for agriculture.
|The time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering.
|The total number of people divided by the total land area.
|A complete enumeration of a population.
|Crude birth rate (CBR)
|The total number of live births in a year for every 1,000 people alive in the society.
|Crude death rate (CDR)
|The total number of deaths in a year for every 1,000 people alive in the society.
|The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and a higher total population.
|The scientific study of population characteristics.
|The number of people under the age of 15 and over age 64 compared to the number of people active in the labor force.
|The number of years needed to double a population, assuming a constant rate of natural increase.
|The portion of Earth's surface occupied by permanent human settlement.
|Distinctive causes of death in each stage of demographic transition.
|Branch of medical science concerned with the incidence, distribution, and control of diseases that are prevalent among a population at a special time and are produced by some special causes not generally present in the affected locality.
|A series of improvements in industrial technology that transformed the process of manufacturing goods.
|Infant mortality rate (IMR)
|The total number of deaths in a year among infants under 1 year old for every 1,000 live births in a society.
|The average number of years an individual can be expected to live, given current social, economic, and medical conditions.
|Medical technology invented in Europe and North America that is diffused to the poorer countries of Latin America, Asia, Africa.
|Natural increase rate (NIR)
|The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate.
|The number of people in an area exceeds the capacity of the environment to support life at a decent standard of living.
|Disease that occurs over a wide geographic area and affects a very high proportion of the population.
|The number of people per unit of area of arable land, which is land suitable for agriculture.
|A bar graph representing the distribution of population by age and sex.
|The number of males per 100 females in the population.
|Total fertility rate (TFR)
|The average number of children a woman will have throughout her childbearing years.
|Zero population growth (ZPG)
|A decline of the total fertility rate to the point where the natural increase rate equals zero.