US Census BureauWorld population is estimated to reach 7.58 billion this month as World Population Day is celebrated on July 11 but the U.S. Census Bureau is projecting another milestone: Annual population growth will slip under 1.0% in 2020-2021 for the first time since 1950.
The United Nations declared July 11 as World Population Day in 1989, two years after world population crossed the 5 billion mark.
