Most of the world's population is concentrated in Asia, with more than 60 percent of the population located on this continent. China and India together have more than 35 percent of the world's population. China, the worlds most populous country, has approximately 1.35 billion people. India is the second most populous country with more than 1.2 billion people, and its population is rapidly .
increasing. The United States holds the third rank in terms of the population number with 313 million people as of July 2012.
Indonesia and Brazil follow next with Indonesia's population being more than 230 million people and that of Brazil being a little less than 200 million people as of July 2011. Russia is Europe's most populous country with a population of 143 million people as of June 2012. Detailed data about the population of each country is presented in the reference links below.
More Reference Links: http://www.tradingeconomics.com/population-list-by-country https://www.cia.gov/library/publications/the-world-factbook/rankorder/2119rank.html
