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Population density is the number of people per unit of land area, usually per square kilometre or square mile. Learn about the factors, effects and examples of population density, and compare the most densely populated countries and territories in the world.
This web page lists countries and dependencies by population density, based on the ISO standard and the latest UN data. It shows the number of people per square kilometre or square mile for each location, as well as the population and area figures.
Arable density (m² per capita) by country. This is a list of countries ordered by physiological density."Arable land" is defined by the UN's Food and Agriculture Organization, the source of "Arable land (hectares per person)" as land under temporary crops (double-cropped areas are counted once), temporary meadows for mowing or for pasture, land under market or kitchen gardens, and land ...
Physiological density is the number of people per unit area of arable land. It indicates how much agricultural land is used and how close to its output limit it is. See examples, contrast with population density, and related topics.
A Malthusian growth model is a mathematical formula that describes exponential population growth based on the idea of the function being proportional to the speed to which the function grows. The model is named after Thomas Robert Malthus, who wrote an influential essay on population dynamics in 1798.
This web page lists the 50 states, the 5 territories, and the District of Columbia by population density, population size, and land area. It also provides maps, tables, and comparisons of population density across the US and other countries.
Learn about the population, ethnic groups, religion, language, and age structure of Laos, a country in Southeast Asia. The population was estimated at 7.43 million in 2021, with a median age of 19.3 and a growth rate of 1.41%.
A subset A of positive integers has natural density α if the proportion of elements of A among all natural numbers from 1 to n converges to α as n tends to infinity.. More explicitly, if one defines for any natural number n the counting function a(n) as the number of elements of A less than or equal to n, then the natural density of A being α exactly means that [1]