Citizenship rights, as one of the fundamental pillars of political development, play a decisive role in enhancing the legitimacy and effectiveness of political systems. In the Islamic Republic of Iran, the Constitution (1989) and the Charter of Citizenship Rights (2016) have established significant theoretical and legal frameworks to safeguard citizens’ freedoms and participation. However, the gap between the letter of the law and practical realities has created multiple challenges in the realization of these rights. The central research question of this study is: What are the opportunities and challenges of realizing citizenship rights in the context of Iran’s political development? Findings, based on a descriptive-analytical approach, indicate that strengthening the rule of law, enhancing political participation, expanding transparency and accountability, and developing civil institutions constitute key opportunities in this process. Conversely, legal and institutional weaknesses, the absence of a culture of accountability, contradictions in laws, limited public awareness, and restrictions on the activities of independent civil institutions are among the main challenges. The study concludes that the realization of political development in Iran depends on the mutual reinforcement of citizenship rights and transparent, accountable institutional mechanisms. Ultimately, these two dimensions are interdependent: guaranteeing citizenship rights facilitates political development, while political development provides the ground for institutionalizing those rights.