We are in the 21st century, but still, women face this gender pay gap. The gender pay gap is the disparity between what men and women earn, and it is not a new problem; it's a chronic and widespread problem worldwide. This disparity obstinately endures, impeding economic growth and real gender equality despite notable advancements in women's education, employment, and legal rights. Despite being oversimplified as “women earning less than men for the same work,” the truth is much more nuanced and firmly anchored in systemic injustices, societal institutions, and unconscious biases. This article explores the many facets of the gender pay gap, identifying the different causes that contribute to its persistence and providing practical solutions for closing it.