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  2. Population density - Wikipedia

    en.wikipedia.org/wiki/Population_density

    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 . The world's population is around 8,000,000,000 [3 ...

  3. Physiological density - Wikipedia

    en.wikipedia.org/wiki/Physiological_density

    The physiological density or real population density is the number of people per unit area of arable land . A higher physiological density suggests that the available agricultural land is being used by more and may reach its output limit sooner than a country that has a lower physiological density. Egypt is a notable example, with physiological ...

  4. List of countries and dependencies by population density

    en.wikipedia.org/wiki/List_of_countries_and...

    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. The list also includes unrecognized but de facto independent countries.

  5. Malthusian growth model - Wikipedia

    en.wikipedia.org/wiki/Malthusian_growth_model

    A Malthusian growth model, sometimes called a simple exponential growth model, is essentially exponential 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 Essay on the Principle of Population (1798), one of the earliest and most ...

  6. Demographics of Azerbaijan - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Azerbaijan

    This is a demography of the population of Azerbaijan including population density, ethnicity, ... Definition: age 15 and over can read and write Total population: 99. ...

  7. Area and population of European countries - Wikipedia

    en.wikipedia.org/wiki/Area_and_population_of...

    Area is from official figures. [17] ^ Excludes the Faroe Islands and Greenland. Overall density is 2.5/km² when including those two. ^ Mainland France (122/km²) and Corsica (39/km²) comprise European France or Metropolitan France. Overall density is 107/km² when including Overseas departments (24/km²). [18] ^ Excluding Madeira (313/km²).

  8. Population geography - Wikipedia

    en.wikipedia.org/wiki/Population_geography

    Population geography relates to variations in the distribution, composition, migration, and growth of populations. Population geography involves demography in a geographical perspective. [a] It focuses on the characteristics of population distributions that change in a spatial context.

  9. Quantile - Wikipedia

    en.wikipedia.org/wiki/Quantile

    For a finite population of N equally probable values indexed 1, …, N from lowest to highest, the k-th q-quantile of this population can equivalently be computed via the value of I p = N k/q. If I p is not an integer, then round up to the next integer to get the appropriate index; the corresponding data value is the k-th q-quantile.