Question |
Answer |

Arithmetic Density |
The total number of people divided by the total land area. |

Physiological Density |
The number of people per unit of area of arable land. |

Agricultural Density |
The ratio of the number of farmers to the total amount of arable land. |

Arable land |
Land suitable for agriculture. |

Natural Increase Rate (NIR) |
The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate. |

Doubling Time |
The number of years it takes to double a population (assuming constant rate of increase) |

Crude Birth Rate (CBR) |
The total number of live births per 1,000 people in a year. |

Crude Death Rate (CDR) |
The total number of deaths per year for every 1,000 people in society. |

Demographic Transition |
The process of change in society's population from a condition of high birth&death rates and low natural increase to a condition of low crude birth&death rates, low natural increase, and higher total population. |

Overpopulation |
A situation in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living. |

Total Fertility Rate (FTR) |
The average number of children a woman will have throughout her childbearing years. |

Epidemiological Transition |
Distinctive cause of death in each stage of the demographic transition. |

Epidemiology |
The branch of medical science concerned with the incidence, distribution, and control of disease that are prevalent among a population at a special time and are produced by some special cause not generally present in the affected locality. |

Pandemic |
A disease that occurs over a wide geographic area and affects a very high proportion of the population. |

Infant Mortality Rate (IMR) |
The total number of death in a year among infants under one year of age for every 1,000 live births in a society. |

Life Expectancy |
The average number of years an individual is predicted to live. |

Population Pyramid |
A bar graph that represents the distribution of population by age and sex. |

Dependency Ratio |
The number of people under the age 15 and over the age 64 compared to the number of people active in labor force. |

Elderly Support Ratio |
The number of working-age people (15-64) divided by the number of people 65 and older. |