reached 8 billion on November 15, 2022 according to the latest United Nations estimates. is projected to reach 9 billion in 2037, and 10 billion in 2058. has doubled in 40 years from 1959 (3 billion) to 1999 (6 billion). is currently (2024) growing at a rate of around 0.91% per year, adding around 73 million people per year to the total. growth rate reached its peak in the late 1960s, when it was