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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 ...
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
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]
(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 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.
Population growth in the Western world became more rapid after the introduction of vaccination and other improvements in medicine and sanitation. [43] Improved material conditions led to the population of Britain increasing from 10 million to 40 million in the 19th century. [44] The population of the United Kingdom reached 60 million in 2006. [45]
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.
UN estimates (as of 2017) for world population by continent in 2000 and in 2050 (pie chart size to scale) Asia Africa Europe Central/South America North America Oceania. Population estimates for world regions based on Maddison (2007), [29] in millions. The row showing total world population includes the average growth rate per year over the ...