The aim of this research is to provide an overview of the important role of citizenship education in developing the character of millennial children. The method used in this research is a literature review. Obtain data from existing books, journals, articles, literature, etc. related to the problem being studied. The results of this research show that citizenship education is not just a subject, but also includes values and becomes a standard in everyday life, so the role of citizenship education in forming the character of millennial children is very important in their lives. This shows that adab and norms, the supremacy of law, and the values of Pancasila. Citizenship education must continue to exist in schools and universities, otherwise it will affect the character development of our children, especially the millennial generation who will be the future heirs of our nation. This Millennial generation will also be a role model for their children and grandchildren. Through research it can be concluded that citizenship education is very important for character formation in the millennial generation. Character education is very important for the millennial generation, with the emergence of this research we can find out how influential education is. Citizenship in the formation of the character of the millennial generation. One of the things we can apply to develop character in Indonesia is through citizenship education, which can foster democratic attitudes, love of the country and even mindset.