The phrase "world population" refers to the total number of people living on Earth at a given time. It represents the count of individuals from all countries and regions across the world. Full definition
The reports starts with an analysis of world population growth generally, and specifically in the world's largest cities. (slaw.ca)
How are you going to meet the needs of growing world population with limited nutritional resources? (studentsassignmenthelp.com)
Between 1900 and 2000, the increase in world population was three times greater than during the entire previous history of humanity — an increase from 1.5 to 6.1 billion in just 100 years. (ourworldindata.org)