The growth of population refers to the increases in the number of inhabitants of a country during specific ****.**
- It is estimated that the world population reached one billion for the first time in 1804.
- Due to the impact of the industrial revolution & improvement in living standards, the rate of population growth increased two billion in 1927.
- At present estimate of 2013 the globe is inhabited by 7121 million population.
- During the begining of 20th century the world population was only 2 billion and centum ended with 6 billion. It continues to grow even in the 21st century.
Stages of Population growth:
- I Three billion – July 1959
- II Four billion-April 1974
- III Five billion-July 1987
- IV Six billion – October 1999
- V Seven billion – 12th March 2012.
