8 December 2025

The Ideological Security Dilemma in International Relations: The Case of US–China Ideological Competition

Sungmin Cho

Why does ideological competition between states intensify despite opportunities for coexistence? This article develops a theory of the ideological security dilemma to explain this puzzle. Like the military security dilemma, states may take defensive measures to safeguard the legitimacy of their own ideology, but these actions can be interpreted by others as ideological offensives aimed at weakening the legitimacy of rival ideologies. I test the theory through a process tracing of US–China ideological competition from 1991 to 2024. I find that although the United States initially hoped China would democratize voluntarily, democratizing China was not a central policy goal. Conversely, while China seeks global respect for its “China model,” actively exporting authoritarian ideology is not its goal either. Nevertheless, China perceives US efforts as aimed at regime change, prompting Beijing to promote the “China model” more assertively as a countermeasure to what it sees as a US ideological assault. This intensifies US fears of the global spread of authoritarianism and triggers further counteractions. This study integrates constructivist and realist approaches while drawing on insights from comparative politics on regime legitimacy and democratization.

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