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The U.S. Department of Agriculture has four different systems for defining rural areas: Frontier and Remote (FAR) area codes, which define rural areas in four levels of increasing remoteness by ZIP code, [5] Rural–Urban Commuting Areas (RUCA), Urban Influence Codes (UICs), and Rural-Urban Continuum Codes (RUCC). [2] [6]
Urban–rural conflict in the American South has a complicated and diverse history, with numerous factors contributing to tensions between the two populations. [27] One of the main causes of this tension is the economic divide that has arisen between urban and rural areas.
Most rural areas in Pakistan tend to be near cities and are peri-urban areas. This is due to the definition of a rural area in Pakistan being an area that does not come within an urban boundary. [14] Rural areas in Pakistan that are near cities are considered as suburban areas or suburbs.
The United States Census Bureau changed its classification and definition of urban areas in 1950 and again in 1990, and caution is thus advised when comparing urban data from different time periods. [2] [3] Urbanization was fastest in the Northeastern United States, which acquired an urban majority by 1880. [2]
Rural counties in the United States make up about 70 percent of the nation's land mass. Historically, population increase from births in rural areas more than compensated for the number of people moving from rural areas to urban areas, but from 2010 to 2016, rural areas lost population in absolute numbers for the first time. [24]
Peri-urban areas (also called urban space, outskirts or the hinterland) are defined by the structure resulting from the process of peri-urbanisation.It can be described as the landscape interface or ecotone between town and countryside, [2] [3] or also as the rural—urban transition zone where urban and rural uses and functions mix and often clash. [4]
GIS technology has allowed for the modeling of catchment areas, and in particular those relating to urban areas. Based on travel time between rural areas and cities of different sizes, the urban–rural catchment areas (URCAs) is a global GIS dataset that allows for comparison across countries, such as the distribution of population along the rural–urban continuum. [8]
In geography and demography, a Beale code is the Rural-Urban Continuum Coding system originally developed by David L. Brown and later popularized by Calvin Beale at the United States Department of Agriculture in 1975. [1] The Beale code system now is used by many other countries, such as Canada.