Theme Of World Population Day 2025 Theme. Theme of world population day leave no one behind, count everyone is the theme for world population day 2025. As the theme of this year’s world population day reminds us, investing in data collection is important to understanding problems, tailoring solutions, and driving progress.

The theme for world population day 2025 is to leave no one behind, count everyone. World population day is celebrated annually on 11 july to focus attention on the urgency and importance of population issues.