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Population density is the number of people per unit of area, usually transcribed as "per square kilometer" or square mile, and which may include or exclude, for example, areas of water or glaciers. Commonly this is calculated for a county , city , country , another territory or the entire world .
Population-weighted density - a density metric which measures the density at which the average person lives. It is determined by calculating the standard density of each census tract, assigning each a weight equal to its share of the total population, and then adding the segments. [11] Residential density - the number of dwelling units in any ...
Exurbs can be defined in terms of population density across the extended urban area, for example "the urban core (old urban areas including Siming and Huli, where the population density is greater than 51 persons per ha), the suburban zone (old urban and new urban transitional zones including Haicang and Jimei, where the population density is ...
For example, some commentators measure sprawl by residential density, using the average number of residential units per acre in a given area. Others associate it with decentralization (spread of population without a well-defined centre), discontinuity (leapfrogging development, as defined below), segregation of uses, and so forth.
As of September 8, 2016 there are 6,450 Primary Care HPSAs. The percent of need met is computed by dividing the number of physicians available to serve the population of the area, group, or facility by the number of physicians that would be necessary to eliminate the primary care HPSA (based on a ratio of 3,500 to 1 (3,000 to 1 where high needs are indicated)).
Map of world population density in 1994 Map of world population density in 2005. Since its inception, population geography has taken at least three distinct but related forms, the most recent of which appears increasingly integrated with human geography in general.
An observational methodology used to estimate variables of a population under study, including population density, survival rates, movement, and growth. marsh A wetland dominated by herbaceous rather than woody plant species and often found at the edges of lakes and streams, where it forms a transition between the aquatic and terrestrial ...
Population density (people per km 2) by country. This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.