Population Statistics

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Definition of 'Population Statistics'

Population statistics are a set of data that describe the size, structure, and distribution of a population. They are used to study a variety of topics, including demographics, economics, and public health.

Population statistics can be collected in a variety of ways, including through censuses, surveys, and administrative records. Censuses are the most comprehensive source of population data, but they are only conducted every 10 years in the United States. Surveys are another common source of population data, but they are often limited in scope and can be subject to sampling error. Administrative records are another source of population data, but they may not be available for all populations or for all variables of interest.

Once population data have been collected, they can be used to create a variety of population statistics. Some of the most common population statistics include:

* Population size: The total number of people in a population.
* Population growth rate: The rate at which the population is growing or declining.
* Age structure: The distribution of people by age.
* Sex ratio: The ratio of males to females in a population.
* Race and ethnicity: The distribution of people by race and ethnicity.
* Educational attainment: The distribution of people by educational attainment.
* Income: The distribution of people by income.
* Poverty: The proportion of people living in poverty.
* Unemployment: The proportion of people who are unemployed.

Population statistics are used by a variety of organizations, including governments, businesses, and researchers. Governments use population statistics to plan for the provision of public services, such as education, healthcare, and transportation. Businesses use population statistics to make decisions about where to locate their businesses and how to market their products. Researchers use population statistics to study a variety of topics, such as the effects of poverty on health, the impact of immigration on the economy, and the changing demographics of the United States.

Population statistics are an important tool for understanding the world around us. They can be used to identify trends, make predictions, and plan for the future.

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