This article tries to review the relation between democracy and national security in less-developed nations. Since there are some limits on civil and political freedoms in less-developed countries in the name of national security, and democracy has had some unpleasant impacts on national security in these kinds of nations, author tries to analyze this issue. This article shows that democracy and civil institutions of democratic system can correct and facilitate the flow of data, match outputs and inputs in political system, and coordinate components of political system with its functional environment, and help to increase national security factors. This occurs through functions like making social cohesion, increasing political capacity, increasing the legitimacy of system, positive effects on nation building process, and adapting elites discourse with social discourse.
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