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The area spread over 25,500 km 2 having around 3.9 million people or about 40% of the total population of the area. According to the December 2001 census there were 271 Royal Bengal Tigers and other animals in the Indian portion of the Sundarban forest, spread across 9.630 km 2. The floor of the Sundarbans varies from 0.9 m to 2.11 m above sea ...
Sundarbans (Bengali: সুন্দরবন) (pronounced / s ʌ n ˈ d ɑːr b ə n z /) is a mangrove forest area in Ganges Delta formed by the confluence of the Ganges, Brahmaputra and Meghna Rivers in the Bay of Bengal. Spread across parts of India and Bangladesh, this forest is the largest mangrove forest in the world. [6]
The population growth rate estimates (according to the United Nations Population Prospects 2019) between 2015 and 2020 [1] This article includes a table of countries and subnational areas by annual population growth rate.
(2011) World population growth rates between 1950 and 2050. The world population growth rate peaked in 1963 at 2.2% per year and subsequently declined. [11] In 2017, the estimated annual growth rate was 1.1%. [30] The CIA World Factbook gives the world annual birthrate, mortality rate, and growth rate as 1.86%, 0.78%, and 1.08% respectively. [31]
The current world population growth is approximately 1.09%. [7] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
The Sundarbans Biosphere Reserve or Indian Sundarbans covers an area of 9,630 square kilometers (3,720 sq mi) and is divided into core, buffer, and transi-tion zones. [3] The area of reserved forest under the Biosphere Reserve is about 4263 km 2 , [ 3 ] of which 55% land is under vegetation cover and the remaining 45 per cent under wetland ...
In 1975, Sebastian von Hoerner proposed a formula for population growth which represented hyperbolic growth with an infinite population in 2025. [141] The hyperbolic growth of the world population observed until the 1970s was later correlated to a non-linear second-order positive feedback between demographic growth and technological development.
This is a list of population milestones by country (and year first reached). Only existing countries are included, not former countries. Only existing countries are included, not former countries. 20 million milestone