Social Movements and the South Korean Democratization Transition

In 2024, South Korea once again demonstrated the power of civil society, as social movements rapidly mobilized in response to the declaration of martial law. Thousands of citizens carrying K-pop groups’ light sticks and meme flags gathered to protest President Yoon Seok Yool’s declaration of martial law and to safeguard the presidential impeachment process. A similar event had previously occurred during the candlelight protests, which led to the impeachment of Park Geun-hye. This illustrates that South Korea’s democracy has reached a high level of maturity and exhibits strong institutional and social resilience, ensuring that no single individual can threaten or undermine it. Such an achievement cannot be separated from South Korea’s long process of democratization, which has evolved since the fall of the authoritarian regime. To understand how South Korea has managed to preserve the democracy it fought hard to achieve, this reading note will examine the country’s democratic transition.

South Korea’s democratic transition is characterized as a “movement-driven transition” because it was led by civil society that emerged through grassroots mobilization to confront authoritarianism, rather than being initiated by political elites. Furthermore, the success of South Korea’s democratic transition in 1987 can be attributed to its well-developed social movements. This transition was driven by long-standing grievances that had persisted since the Park Chung Hee administration and the lack of significant improvement under Chun Doo Hwan’s rule. Notably, students and laborers primarily drove the protests, yet they also drew participation from white-collar workers and other professional groups, reflecting a broad-based social coalition. Moreover, other groups such as the families of political prisoners, Christian organizations, and various civic groups joined the movement, united by shared identities and common demands. For example, students demanded educational freedom, journalists called for press liberty, and other civic groups raised concerns over social justice and political reform, illustrating the diversity yet unity of the democratization movement.

The strength of these social movements lay not only in their size but also in their ability to transform fragmented grievances into a unified demand for democratization. By bringing together students, labor unions, religious organizations, professionals, and ordinary citizens, the movement generated broad social legitimacy while increasing political pressure on the authoritarian regime. In this sense, social movements functioned as the driving force that linked popular demands with institutional political change, making democratic transition possible.

Following the democratic transition, social movement groups became institutionalized by absorbing their ideas into organizations recognized by the government. Moreover, some of the groups transformed into non-governmental organizations that functioned as watchdogs to monitor and safeguard the democratic process. In addition, activists also began to voice their demands through formal political channels, holding government positions. Despite these institutional developments, South Korea continues to face structural and economic challenges rooted in its authoritarian legacy and exacerbated by the 1997 Asian financial crisis, which tested the strength and consolidation of its democracy. Although South Korean civil society has grown significantly since democratization, the weakness of intermediary institutions such as political parties and interest groups in channeling public aspirations has sustained a confrontational state–society relationship, thereby posing a serious challenge to the effectiveness of democratic governance.

Thus, understanding the development of social movements in South Korea reveals that civil society has played a crucial role not only in achieving democratization but also in sustaining democratic governance. The legacy continues today through a strong tradition of collective action and participation, as reflected in the recent protests against President Yoon Seok Yeol’s declaration of martial law. This serves as a reminder that democracy is not something that is simply given, but rather something that must be continuously defended through the same collective strength that once brought it into being.

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