This research was conducted aimed at examining the role of political development in the development and expansion of national security. The present study is a research one in terms of objective. The research method is descriptive, since library studies and interviews with knowledgeable individuals have been used to prove the objective of the research. Data collection was done using articles, dissertations and interviews with individuals and political experts. In this research, comparison with past research and rational reasoning were used to answer the research questions. The results of the research showed that political development has a strong correlation with national security, since political development increases the citizens' political understanding, accountability, strengthens the sense of control of citizens towards the political system and their obligations to the government; therefore, the greater the degree of political development of individuals, the national security rate will also increase.