"Factfulness" is a significant non-fiction book by Hans Rosling that addresses the perception of global trends and the understanding of human progress. Rosling, an internationally recognized public health expert, presents an encouraging perspective on the possibilities of human advancement when we rely on facts rather than prejudices. The book highlights the common misconceptions people have about worldwide developments and explains why we often provide incorrect answers to simple questions about global trends. By identifying ten instincts that distort our viewpoint, "Factfulness" offers valuable insights to see the world more clearly and make informed decisions. It is an essential guide for anyone seeking a better understanding of the reality of global developments.