The world population has increased from 7.38 billion in 2015 to 7.87 billion in 2021, with a growth rate of 1.06 percent per annum, however global population growth rate has declined from 2.2 percent per year 50 years ago to 1.06 percent per year. Asia contributes highest i.e. 59 percent of total global population, more than the rest of continents.
