what is the estimate of world population ? state the major regions of $patial v@riation in population growth •
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Answer:
In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7.8 billion people as of March 2020.[2] It took over 200,000 years of human history for the world's population to reach 1 billion,[3] and only 200 years more to reach 7 billion.[4]
The world population has experienced continuous growth following the Great Famine of 1315–1317 and the end of the Black Death in 1350, when it was near 370 million.[5] The highest global population growth rates, with increases of over 1.8% per year, occurred between 1955 and 1975—peaking to 2.1% between 1965 and 1970.[6] The growth rate declined to 1.2% between 2010 and 2015 and is projected to decline further in the course of the 21st century.[6] However, the global population is still increasing[7] and is projected to reach about 10 billion in 2050 and more than 11 billion in 2100.[8]
Total annual births were highest in the late 1980s at about 139 million,[9] and as of 2011 were expected to remain essentially constant at a level of 135 million,[10] while deaths numbered 56 million per year and were expected to increase to 80 million per year by 2040.[11] The median age of the world's population was estimated to be 30.4 years in 2018.[12] In mid-2019, the United Nations estimated that the world population had reached 7,713,468,000.[13]
World population (millions, UN estimates)[14]
#
Top ten most populous countries
2000
2015
2030[A]
1
China China[B]
1,270
1,376
1,416
2
India India
1,053
1,311
1,528
3
United States United States
283
322
356
4
Indonesia Indonesia
212
258
295
5
Pakistan Pakistan
136
208
245
6
Brazil Brazil
176
206
228
7
Nigeria Nigeria
123
182
263
8
Bangladesh Bangladesh
131
161
186
9
Russia Russia
146
146
149
10
Mexico Mexico
103
127
148
World total
6,127
7,349
8,501
Notes:
2030 = Medium variant.
China excludes Hong Kong and Macau.
Contents
Explanation:
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Answer:
What is the estimate of world population? State the major regions of spatial variation in population growth?
Ans:- According to the United Nations's declaration for the year 2011 , the estimate of world population
is 7 billion ( 700 crores ) .
The major regions of spatial variation in population growth are — Variation in physical, economic and social factors.
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