World Population Day 2025. On july 11, 1987, the world population reached the five billion mark and it prompted a senior. As of 1 january 2025, the population of the world was estimated to be 8,147,701,969.

Global population to peak within this century as birth rates fall, united nations report says. The un world health organization (who) on tuesday issued an urgent call for countries to transform their care and support systems.