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  2. Doubling time - Wikipedia

    en.wikipedia.org/wiki/Doubling_time

    The notion of doubling time dates to interest on loans in Babylonian mathematics. Clay tablets from circa 2000 BCE include the exercise "Given an interest rate of 1/60 per month (no compounding), come the doubling time." This yields an annual interest rate of 12/60 = 20%, and hence a doubling time of 100% growth/20% growth per year = 5 years.

  3. Population dynamics - Wikipedia

    en.wikipedia.org/wiki/Population_dynamics

    The doubling time (t d) of a population is the time required for the population to grow to twice its size. [24] We can calculate the doubling time of a geometric population using the equation: N t = λ t N 0 by exploiting our knowledge of the fact that the population (N) is twice its size (2N) after the doubling time. [20]

  4. Demographics of the Czech Republic - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_the_Czech...

    Foreign population in the Czech Republic in 2020. According to the Czech Statistical Office as of 31 December 2020 there were 632,570 legal foreign residents in the Czech Republic (5.1% of the total population). [33] Residents from Ukraine are the largest group (165,356), followed by residents of Slovakia (124,544). There are also Asian ...

  5. List of countries by past and projected future population

    en.wikipedia.org/wiki/List_of_countries_by_past...

    Population of the present-day top seven most-populous countries, 1800 to 2100. Future projections are based on the 2024 UN's medium-fertility scenario. Chart created by Our World In Data in 2024. The following is a list of countries by past and projected future population. This assumes that countries stay constant in the unforeseeable future ...

  6. List of cities and towns in the Czech Republic - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_and_towns...

    This is a list of municipalities of the Czech Republic which have status of a city, town or market town granted by law. As of 2024, there are 27 cities, 583 towns and 232 market towns in the Czech Republic. The population is shown in brackets and is current to 1 January 2024. [1]

  7. List of urban areas in the Czech Republic - Wikipedia

    en.wikipedia.org/wiki/List_of_urban_areas_in_the...

    This is a list of urban areas in the Czech Republic. There are 3 metropolitan areas and 10 agglomerations. There are 3 metropolitan areas and 10 agglomerations. The populations of the urban areas are calculated by combining all of their municipalities' latest populations, as the last available population data was from 2019.

  8. Prague metropolitan area - Wikipedia

    en.wikipedia.org/wiki/Prague_metropolitan_area

    The Prague metropolitan area (Czech: Pražská metropolitní oblast) is the metropolitan area of Prague, the capital city of the Czech Republic. The population is 2,264,690 as of 2024. [ 1 ] It is the most populous metropolitan area in the country.

  9. 2021 Czech census - Wikipedia

    en.wikipedia.org/wiki/2021_Czech_census

    The 2021 Census of the Czech Republic took place between 27 March and 9 April 2021. [2] It was conducted by the Czech Statistical Office at a cost estimated to be 2.23 billion Czech koruna . [ 3 ] Failure to complete the census could lead to a fine of 10,000 Czech koruna .