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Population estimates from the US Bureau of the Census are based on statistics from population censuses, vital statistics registration systems, or sample surveys about the recent past and assumptions about future trends.
The birth rate minus the death rate in a population.
Population density: the number of people living in a given area of land.
Population distribution provides a brief description of the population dispersion within a country.
The surge in Earth’s human population has occurred since the beginning of the Industrial Revolution.
The population growth rate is the average annual percent change in the population, resulting from a surplus (or deficit) of births over deaths and the balance of migrants entering and leaving a country.
A graphic device that shows the gender and age distribution of a population.