Population size

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The total number of individuals in a population.

Population Growth: The rate at which a population increases or decreases over a period of time.
Mortality: The frequency of deaths in a population.
Fertility: The rate at which individuals in a population produce offspring.
Migration: The movement of individuals in or out of a population.
Age and Sex Structure: The proportion of males and females and their age distribution within a given population.
Life Expectancy: The average number of years that individuals in a population are expected to live.
Age-Specific Fertility Rates: The number of live births that occur to women in a particular age group per 1000 women in that age group.
Age-Specific Mortality Rates: The number of deaths that occur to individuals in a particular age group per 1000 individuals in that age group.
Population Density: The number of individuals per unit of land area.
Population Pyramids: Graphical representation of the age and sex structure of a population.
Population Ecology: The study of the interactions between populations and their environment.
Population Dynamics: The study of the factors that influence population growth and decline.
Demographic Transition: The shift from high birth and death rates to low birth and death rates that occurs as a country develops economically and socially.
Population Control Measures: The various methods used by societies to control population growth.
Human Reproduction: The process of human reproduction, including fertilization, pregnancy, and childbirth.
Total population: The total number of people living in a defined geographic area.
Resident population: The population of an area that is considered permanent or long-term.
Non-resident population: The population of an area that is temporary, such as tourists or temporary workers.
Birth rate: The number of births per 1,000 individuals in a given population each year.
Death rate: The number of deaths per 1,000 individuals in a given population each year.
Migration rate: The difference between the number of people moving into an area and those moving out of that area.
Fertility rate: The number of children a woman is expected to have during her reproductive years.
Mortality rate: The number of deaths in a population, usually expressed as a rate per 1,000 individuals.
Age distribution: The proportion of individuals in different age groups in a population.
Sex ratio: The proportion of males to females in a given population.
Ethnic/racial composition: The distribution of different ethnic and racial groups in a population.
Household size: The average number of people living in a household.
Population density: The number of individuals per unit area.
Urban and rural population: The proportion of the population living in urban and rural areas.
Aging population: A population in which a large proportion of individuals are over a certain age, usually 65 or older.
"Population is the term typically used to refer to the number of people in a single area."
"Governments conduct a census to quantify the size of a resident population within a given jurisdiction."
"Governments conduct a census to quantify the size of a resident population within a given jurisdiction."
"The term is also applied to animals, microorganisms, and plants."
"The term is also applied to animals, microorganisms, and plants, and has specific uses within such fields as ecology and genetics."
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"The term typically used to refer to the number of people in a single area."
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"The term is also applied to animals, microorganisms, and plants, and has specific uses within such fields as ecology..."
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