Answer:
There have been about 60 per cent increase in population from 11.6 million in 1971 to 18.5 million in 1991 and in last one decade it increased by about 27 per cent from 18.5 million in 1991 to 23.2 million in 2001. The increment was over 14 % during 2001-2011.
The size of the population in Nepal has been growing due to the open international migration, practically from India, Bhutan and Tibet. The nation would be unable to control the population growth unless it adopts some measures to stop this type of migration trend in future.
Step-by-step explanation: