MEDC: a more economically developed country
LEDC: a less economically developed country
Overpopulation: situation in which too many people or animals live in a certain área
Underpopulation: population lower than is normal or desirable
Population distribution: the arrangement or spread of people
living in a given area; also, how the population of an area is arranged
according to variables such as age, race, or sex
Fertility rate: ratio of live births in an area to the population of that area; expressed per 1000 population per year
Ageing population: phenomenon that occurs when
the median age of a country or region increases due to
rising life expectancy and/or declining fertility rates.
Dependency ratio: measure showing the number of dependents, aged zero to 14 and over the age of 65, to the total population, aged 15 to 64
Family planning: the practice of controlling the number of children in a family and the intervals between their births, particularly by means of artificial contraception or voluntary sterilization
Replacement rate: percentage of a worker's pre-retirement income that is paid out by a pension program upon retirement
Dependent population: Group of people who, on the reference date, were in one of the following situations in relation to activity: unemployed looking for their first job, studying or carrying out non-remunerated household chores
Birth rate: total number of live births per 1,000 of a population in a year
Birth control: allows us to
prevent pregnancy and plan the timing of pregnancy
Death rate: measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time
Infant mortality rate: refers to deaths of young children, typically those less than one year of age
Life expectancy: statistical measure of the average time an organism is expected to live, based on the year of their birth, their current age and other demographic factors including sex
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