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For example, with an annual growth rate of 4.8% the doubling time is 14.78 years, and a doubling time of 10 years corresponds to a growth rate between 7% and 7.5% (actually about 7.18%). When applied to the constant growth in consumption of a resource, the total amount consumed in one doubling period equals the total amount consumed in all ...
The metropolitan area has a population of 729,405 as of 2024. [4] The metropolitan area is the third most populous urban area in the country. Covering an area of 1,978 km² in the South Moravian Region , it comprises Brno and 183 surrounding municipalities, with a total population of over 700,000 as of 2023.
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]
The table below shows annual population growth rate history and projections for various areas, countries, regions and sub-regions from various sources for various time periods. The right-most column shows a projection for the time period shown using the medium fertility variant. Preceding columns show actual history.
Brno (/ ˈ b ɜːr n oʊ / BUR-noh, [5] Czech: ⓘ; German: Brünn) is a city in the South Moravian Region of the Czech Republic.Located at the confluence of the Svitava and Svratka rivers, Brno has about 400,000 inhabitants, making it the second-largest city in the Czech Republic after the capital, Prague, and one of the 100 largest cities of the European Union.
At the beginning of World War II the population of the Czech Republic reached its maximum (11.2 million). Due to the expulsion of the German residents after World War II, the Czech Republic lost about 3 million inhabitants and in 1947 the population was only 8.8 million. Population growth resumed, and in 1994 the population was 10.33 million.
Thus, the figures after the 1960 column show the percentage annual growth for the 1955-60 period; the figures after the 1980 column calculate the same value for 1975–80; and so on. The formulas used for the annual growth rates are the standard ones, used both by the United Nations Statistics Division and by National Census Offices worldwide.
For example, in microbiology, a population of cells undergoing exponential growth by mitosis replaces each cell by two daughter cells, so that = and is the population doubling time. If the population grows with exponential growth rate r {\displaystyle \textstyle r} , so the population size at time t {\displaystyle t} is given by