what is world's population
Demographics of the world Demographics of the world. Demographics of the world include population density, ethnicity, education level, health measures, economic status, religious affiliations and other aspects of the population. The overall total population of the world is approximately 7.45 billion, as of July 2016. Its overall population density is 50 people per kmÂ² (129.28 per sq. mile), excluding Antarctica. Nearly two-thirds of the population lives in Asia and is predominantly urban and suburban, with more than 2.5 billion in the countries of China and India combined.