Population geography is a division of human geography. It is the study of the ways in which spatial variations in the distribution, composition, migration, and growth of populations are related tot he nature of places. Population geography involves demography in a geographical perspective. It focuses on the characteristics of population distributions that change in a spatial context. Examples can be shown through population density maps. A few types of maps that show the spatial layout of population are choropleth, is online, and dot maps. Population geography is a large branch of geography that contains several different topics related to the world's population. The book deals with population explosion in the world. It also assesses the impact of government policies and programmes on population growth, and highlights what remains to be down to achieve an optimum quality of life.

Author Bio:
Mohan Singh is M.A in Geography. His eminent thesis Impact of Increasing Population on Environment enabled him to become a Ph.D. Presently, he is Reader of Geography at Jai Prakash University, Chapra, Bihar. Teaching experience of 15 years and his thorough knowledge have enabled many research scholars to complete their doctoral theses. Author of five books, his articles are frequently published in journals of repute. He has also participated in many national and international seminars and presented his research papers in them.