World Population Day 2025 Theme Unfpa. At unfpa, we advocate for measuring and anticipating demographic changes. Our world, despite its challenges, is one where higher shares of people are educated and live healthier lives than at any previous point in history.

By resolution 45/216 of december 1990, the united nations general assembly decided to continue observing world population day to enhance awareness of population issues,. Unfpa brings its data, experience and stories to support women and girls around the world, and world population day gives us an opportunity to highlight the need to advance.