<P> In demographics , the world population is the total number of humans currently living , and was estimated to have reached 7.6 billion as of December 2017 . Estimates of the total number of humans who have ever lived range from 106 to 108 billion as of 2007 . Though the population is currently growing quite rapidly , future changes are influenced by difficult - to - predict factors such as economic development , cultural changes , migration , and natural disasters . Various mathematical models show that by 2100 the global population could be either rising or falling depending on how these factors affect birth and death rates . </P>
<P> In demographics , the world population is the total number of humans currently living , and was estimated to have reached 7.6 billion as of December 2017 . Estimates of the total number of humans who have ever lived range from 106 to 108 billion as of 2007 . Though the population is currently growing quite rapidly , future changes are influenced by difficult - to - predict factors such as economic development , cultural changes , migration , and natural disasters . Various mathematical models show that by 2100 the global population could be either rising or falling depending on how these factors affect birth and death rates . </P>
what is the total population of the world today
what is the total population of the world today
7.6 billion as of December 2017
7.6 billion as of December 2017