Does diplomacy still matter? Looking through the global complexities and challenges

IN an era marked by great-power rivalry, technological disruption, and growing global uncertainty, a fundamental question arises: does diplomacy still matter?

The answer is yes, but not in the way it once did.

Diplomacy remains one of the most important instruments of statecraft. It allows states to communicate, negotiate and manage differences without resorting to coercion or conflict. Yet its effectiveness is increasingly tested by a more complex and fragmented international environment.

Today’s global landscape is defined by competing major powers, transnational challenges and rapid technological change. Issues such as climate change, pandemics, cyber threats and economic instability cannot be managed by any single state acting alone.

In this context, diplomacy is not simply relevant. It is indispensable.

At its core, diplomacy enables states to translate national interests into international outcomes through dialogue, negotiation and cooperation. Unlike military or economic tools, diplomacy relies on persuasion, legitimacy and sustained engagement. It creates space for compromise and helps prevent miscalculation, particularly in times of heightened tension.

This role has become even more critical in a multipolar world. As power becomes more diffused among major and emerging states, the risks of misperception and unintended escalation increase. Diplomatic engagement helps manage these risks by maintaining communication channels, clarifying intentions, and reducing uncertainty.

However, diplomacy today operates very differently from the past.

Traditional diplomacy, conducted primarily through formal channels and professional diplomats, has expanded into a broader and more dynamic practice. Modern diplomacy now includes multilateral engagement, public diplomacy, digital communication and preventive mechanisms aimed at addressing crises before they escalate.

Regional organisations play an increasingly important role in this evolving landscape. The Association of Southeast Asian Nations (Asean), for example, illustrates how diplomacy can be institutionalised to promote dialogue, cooperation and stability. Through platforms such as the Asean Regional Forum and the East Asia Summit, Asean provides space for both regional and major powers to engage constructively, even amid strategic competition.

Asean’s approach, often referred to as the “Asean Way,” emphasises consensus, non-interference, and gradual confidence-building. While sometimes criticised for being slow or cautious, this model has contributed to maintaining regional stability in a diverse and politically complex environment. It demonstrates that diplomacy does not always rely on formal alliances or binding commitments, but can also function through sustained engagement and shared norms.

Beyond regional cooperation, diplomacy continues to play a central role in advancing economic and political interests. Economic diplomacy, in particular, has become a key tool for promoting trade, attracting investment, and navigating global economic governance.

In an interconnected world, economic policy and foreign policy are increasingly intertwined, making diplomacy essential for managing both prosperity and security.

At the same time, diplomacy also contributes to the development and maintenance of international norms. Through multilateral institutions and continuous engagement, states negotiate rules and principles that guide behaviour, from sovereignty and non-intervention to emerging issues such as climate governance and digital security. These norms provide a degree of predictability and stability in an otherwise uncertain system.

Yet despite its continued importance, diplomacy faces significant challenges in the 21st century.

First, the rise of great-power rivalry has made diplomatic engagement more complex and, at times, more fragile. Strategic competition between major powers — particularly in areas such as trade, technology and security — has increased mistrust and reduced the space for cooperation. In such an environment, diplomacy must operate within tighter constraints, often managing competition rather than resolving it.

Second, the growing influence of non-state actors has reshaped the diplomatic landscape. Non-governmental organisations, multinational corporations, and even armed groups now play a role in international affairs, complicating traditional state-to-state diplomacy. While these actors can support cooperation and norm-building, they can also introduce new sources of instability and contestation.

Third, technological change has transformed how diplomacy is conducted. Digital platforms allow governments to communicate instantly with global audiences, increasing transparency but also exposing diplomacy to public scrutiny and real-time pressure. While digital diplomacy enhances speed and reach, it also creates risks, including misinformation, cyber threats, and reduced flexibility in sensitive negotiations.

Fourth, domestic political pressures increasingly influence foreign policy decisions. Governments must balance international commitments with internal political realities, which can limit diplomatic flexibility and slow decision-making. In many cases, domestic considerations shape how states engage externally, affecting both the pace and substance of diplomacy.

Finally, there is a growing erosion of trust in international norms and institutions. Disagreements over global issues, inconsistent enforcement of rules and geopolitical divisions have weakened confidence in multilateral systems. As trust declines, reaching consensus becomes more difficult, and the effectiveness of diplomacy is reduced.

Taken together, these challenges do not diminish the importance of diplomacy. Instead, they reinforce the need for it to adapt.

Diplomacy today must be more flexible, inclusive and responsive. It must engage not only governments, but also non-state actors and global publics. It must integrate traditional negotiation with digital tools and technical expertise. Most importantly, it must operate in an environment where cooperation and competition coexist.

In this context, diplomacy is no longer simply about preventing conflict. It is about managing complexity.

Asean’s experience offers a useful lesson. Despite operating in a region marked by diversity and external pressure, Asean has maintained its relevance by providing platforms for dialogue and by adapting its diplomatic practices to changing conditions. Its emphasis on engagement, even in the absence of binding agreements, highlights the continued value of diplomacy as a stabilising force.

Ultimately, diplomacy remains an essential instrument of statecraft, not because it eliminates conflict, but because it provides the means to manage it.

In a world where unilateral action is increasingly costly and coercion often unsustainable, diplomacy continues to offer the most viable path for states to pursue their interests while maintaining stability. Its effectiveness may be tested, but its necessity is not diminished.

Brigadier General Dato’ Hamdan Bin Ahmad RMAF is an officer in the Royal Malaysian Air Force and currently attending the National Resilience College at the National Centre for Defence Studies (PUSPAHANAS) Putrajaya. The views expressed in this article are the author's own and do not necessarily reflect those of Sinar Daily.