▶ South Korea’s transformation into a global economic leader aligns with the G7’s foundational values of democracy, innovation, and a rules-based international order, bringing expertise in critical industries like semiconductors, renewable energy, and digital infrastructure.

▶ Including South Korea would address critiques of the G7's lack of geographical and economic diversity, provide a broader regional perspective on Indo-Pacific issues, and serve as a bridge between the Global North and South, fostering equitable global governance.

▶ While concerns about efficiency, potential backlash from China, and internal skepticism exist, South Korea’s track record in multilateral diplomacy demonstrates its capacity to enhance the G7’s effectiveness, positioning the group as a forward-thinking leader for global challenges in the 21st century.

The Group of Seven (G7), an assembly of the world’s most advanced democracies, has long been a cornerstone of global governance. Yet, as the 21st century reshapes economic power and geopolitical influence, the G7 faces growing scrutiny over its relevance and inclusivity. Expanding the G7 to include South Korea offers a compelling opportunity to modernize the group, bolster its legitimacy, and more effectively address the complex challenges of our time.

South Korea’s remarkable transformation—from an aid-dependent nation to one of the world’s leading economies—perfectly aligns with the G7’s foundational values: democracy, innovation, and commitment to a rules-based international order. As the 10th-largest economy globally and a leader in industries ranging from semiconductors to renewable energy, South Korea brings not only economic heft but also a wealth of technological expertise. Its proven leadership in multilateral organizations like the United Nations and the OECD further underscores its readiness to contribute to global governance at the highest level.

Why South Korea is an Ideal Candidate for G7 Membership

South Korea’s inclusion would enhance the G7’s geographical, economic, and political diversity, addressing long-standing critiques that the group fails to reflect the realities of a multipolar world. The Indo-Pacific region, which now lies at the heart of global economic growth and security dynamics, is underrepresented within the G7, with Japan as its sole member. South Korea’s participation would add a broader regional perspective, particularly on issues like the North Korean threat and strategic competition with China.

Beyond geopolitics, South Korea’s technological leadership is indispensable in tackling key global challenges. The country dominates critical sectors like semiconductors, renewable energy, and digital infrastructure—industries that align seamlessly with G7 priorities such as resilient supply chains, clean energy transitions, and cybersecurity. South Korea’s innovations in hydrogen technology, electric vehicles, and smart grids could amplify the group’s efforts to combat climate change and ensure energy security.

Additionally, South Korea’s status as a leading player in green energy transitions merits particular attention. Its aggressive investments in renewable energy, hydrogen, and carbon capture technology position it as a model for nations pursuing net-zero ambitions. By incorporating South Korea, the G7 could strengthen its influence in shaping global energy policies, offering solutions that balance growth with sustainability.

South Korea also serves as a vital bridge between the Global North and South. Its developmental journey offers invaluable insights into fostering sustainable growth and reducing inequality. As a donor in Green Official Development Assistance (ODA) and a key partner in climate adaptation for developing nations, South Korea could help the G7 better engage with the Global South—a critical step toward enhancing global trust and cooperation. While there are critics of South Korea’s ODA contributions, I believe that its ODA, especially in the green sector, will continue to grow as the current Yoon administration aims to pursue “Global Pivotal State” and emphasizes the country’s leadership in global agendas.

Bridging the Global South and G7

One of the most profound implications of South Korea’s inclusion in the G7 lies in its potential to reshape the group’s relationship with the Global South. Historically, the G7 has been perceived as a club of wealthy nations disconnected from the aspirations and struggles of the developing world. South Korea’s membership could counteract this narrative.

As a nation that has transitioned from poverty to prosperity, South Korea embodies the possibilities of development through open economies and effective governance. Within the G7, it could advocate for equitable global governance—championing issues like access to technology, climate financing, and fairer trade practices. This advocacy could help rebuild trust between advanced and developing economies, positioning the G7 as a more inclusive force.

South Korea’s ability to engage diplomatically with diverse regions—such as Southeast Asia, Africa, and Latin America—could provide the G7 with fresh pathways for collaboration. Its experience in trilateral initiatives, such as those with ASEAN countries, offers a blueprint for fostering mutual growth. By promoting partnerships on education, healthcare, and sustainable development, South Korea could help reframe the G7 as a global facilitator, rather than a distant observer, of progress.

Moreover, South Korea’s cultural resonance with the Global South, shaped by shared histories of colonialism and modernization, gives it a unique moral authority. By integrating South Korea, the G7 could send a powerful message about the inclusivity and adaptability of advanced democracies.

Challenges to G7 Expansion

While the case for South Korea’s inclusion is compelling, several challenges must be addressed. Critics warn that expanding the G7 could dilute its decision-making efficiency, making it harder for the group to respond swiftly to urgent global issues. The risk of divergent interests among members also looms large.

However, South Korea’s track record in multilateral settings dispels these concerns. As a pragmatic and collaborative partner, it has demonstrated an ability to build consensus without disrupting group dynamics. South Korea’s inclusion would not open the floodgates for unchecked expansion; its unique economic, technological, and geopolitical significance sets it apart.

Another challenge lies in the potential backlash from China, which could interpret South Korea’s G7 membership as a move to counter its influence. To mitigate this, the G7 must frame South Korea’s inclusion as a step toward strengthening global governance rather than as a tool for containment. Diplomatic messaging that emphasizes cooperation and problem-solving could ease tensions.

Domestic political dynamics, particularly in the United States, may also complicate the expansion process. A return to unilateralist policies under leadership like that of Donald Trump could hinder multilateral cooperation. However, the G7’s relevance may grow as U.S. hegemony wanes, necessitating stronger solidarity among advanced democracies. South Korea could play a pivotal role in fostering this unity, bridging divides and advancing constructive policies with nations wary of unilateralism.

Finally, internal skepticism within existing G7 members about setting a precedent for expansion may slow progress. Addressing these concerns will require demonstrating how South Korea’s inclusion would strengthen rather than dilute the group’s strategic focus.

The Future of the G7 with South Korea

South Korea’s inclusion in the G7 would mark a transformative moment in the evolution of global governance. For the G7, it would signify an acknowledgment of a changing world order and a willingness to adapt by incorporating diverse perspectives. This move would not only enhance the group’s ability to address contemporary challenges but also position it as a forward-thinking leader in global affairs.

For South Korea, G7 membership would represent the culmination of its rise as a global leader. The platform would enable it to amplify its contributions to global stability, deepen partnerships with advanced democracies, and champion equitable and inclusive governance.

In addition to symbolic significance, G7 membership would empower South Korea to take greater leadership roles in global initiatives, from climate resilience projects to digital innovation. This added influence could allow South Korea to shape conversations around AI ethics, technology governance, and economic digitalization—fields crucial to the 21st-century agenda.

In an era defined by interconnected challenges—from climate change and energy transitions to cybersecurity and technological innovation—the G7’s ability to lead depends on its capacity to evolve. Including South Korea would reaffirm the group’s commitment to a dynamic and inclusive global order. By doing so, the G7 would secure its relevance for the 21st century and beyond.

As a nation that has thrived through a rules-based international system, South Korea is uniquely positioned to strengthen the G7’s commitment to multilateralism. Its membership would not only symbolize the success of inclusive governance but also contribute to building a resilient, equitable, and prosperous future for all.