The Role of Human Security in Achieving Global Justice

When we hear the word “security,” we usually picture armies, borders, and weapons. But what about the family that loses everything to a flood, the child who dies of a preventable disease, or the farmer whose crops fail because the monsoon arrived two months late? These are threats too, even though no soldier fires a single shot. This is the central insight behind human security, an idea that has reshaped how scholars and policymakers think about safety, development, and fairness across the world. It also sits at the heart of one of the most pressing debates in political theory today: what does it actually mean to achieve global justice in an unequal world?

What is human security? 🔗

The concept of human security was formally introduced by the United Nations Development Programme (UNDP) in its landmark 1994 Human Development Report. The report made a radical claim for its time: security should be measured by the wellbeing of people, not the strength of states. As it argued, security should be equated “with people rather than territories, with development rather than arms.”

This was a deliberate break from the traditional, state-centric view of security that dominated the Cold War era. Instead of asking how to protect national borders, human security asks how ordinary people live, whether they can exercise their choices freely, and whether they have access to opportunities. It places the individual, not the government, at the centre of the security question.

Freedom from fear and freedom from want 🔗

The 1994 report built the concept around two foundational pillars: freedom from fear and freedom from want. Freedom from fear focuses on protecting individuals from violence, conflict, repression, and physical harm. Freedom from want focuses on protecting people from threats like poverty, hunger, and disease. A later UN General Assembly resolution in 2012 added a third dimension, the freedom to live in dignity, reinforcing that human security is fundamentally about the right of people to live free from poverty and despair.

These two pillars also reflect a longstanding debate among scholars. The “narrow school” argues that human security should focus only on threats from political violence. The “broad school” insists it must include all life-threatening dangers, including disease, hunger, and natural disasters. The UNDP’s approach leaned towards the broad view, treating the everyday struggles of vulnerable people as genuine security concerns.

The seven dimensions of human security 🔗

To make the concept practical, the UNDP identified seven interconnected components of human security. Understanding these helps clarify just how wide the framework is:

• Economic security – assured basic income through productive work or, as a last resort, a public safety net.
• Food security – physical and economic access to basic food at all times.
• Health security – protection from disease and access to healthcare.
• Environmental security – protection from environmental degradation, pollution, and resource depletion.
• Personal security – protection from physical violence, whether from the state, individuals, or war.
• Community security – protection of cultural identity and membership in a group.
• Political security – protection of basic human rights and freedom from political repression.

What ties these together is the idea of interconnectedness. A threat in one area rarely stays contained. A drought (environmental) can destroy crops (food), wipe out a farmer’s earnings (economic), and trigger malnutrition and illness (health). Human security recognises that these threats cascade into one another.

Understanding global justice 🔗

Global justice is a branch of political theory that asks whether principles of fairness, equality, and rights apply across national borders, or whether they stop at the edge of each nation-state. The debate becomes urgent the moment we look at global inequality. The richest 1% of the world’s population holds more wealth than the bottom 50% combined, and the people who suffer most from global problems are often those least responsible for creating them.

Several theoretical traditions disagree sharply about what global justice demands. Cosmopolitan theorists like Thomas Pogge and Charles Beitz argue that all human beings belong to a single moral community, so duties of justice extend worldwide. Statist theorists counter that justice is owed primarily within state boundaries. A third influential strand is the capabilities approach, developed by Amartya Sen and Martha Nussbaum, which focuses on whether every individual has the real freedom and resources to lead a fulfilling life.

The bridge between human security and global justice 🔗

Here is where the two ideas connect. Both human security and global justice shift the focus from the state to the individual human being. Both insist that a person’s wellbeing matters regardless of where they were born or which passport they hold. Amartya Sen’s notion of “development as freedom” captures this link, reinforcing the connection between protecting people from fear and protecting them from want.

In practical terms, human security gives global justice a concrete agenda. Justice in the abstract is hard to act on, but “ensure this child has food, medicine, and safety from violence” is a measurable goal. By guaranteeing individual welfare across borders, human security becomes a vehicle for delivering the universal moral concern that global justice demands.

Climate change: where human security and global justice collide 🔗

No issue illustrates the link between human security and global justice more clearly than climate change. The United Nations describes climate change as a “threat multiplier” because it intensifies resource scarcity and worsens existing social, economic, and environmental pressures. Droughts shrink grazing land and reduce crop yields, floods destroy farms and infrastructure, and rising seas push people from their homes.

The injustice is stark. The countries most vulnerable to climate change are often those least able to cope, and frequently those that contributed least to the problem. Consider this: an average American generates roughly 16 tonnes of carbon dioxide each year, while an average Indian generates only about 1.9 tonnes. Yet both face the consequences, and poorer communities suffer them more severely. This mismatch between responsibility and harm is precisely what makes climate change a question of global justice.

Climate displacement and the human cost 🔗

The human security lens makes these consequences visible. Each year, more than 20 million people are forced to leave their homes due to hazards linked to extreme weather, including heavy rainfall, prolonged droughts, sea-level rise, and cyclones. The Intergovernmental Panel on Climate Change (IPCC) notes that climate change undermines livelihoods, compromises identity, increases forced migration, and weakens the capacity of states to protect their populations.

For a country with a long coastline, a large agricultural workforce, and dense river-delta populations, these are not distant concerns. Cyclones in the Bay of Bengal, erratic monsoons affecting farmers, and heatwaves in densely populated cities all translate climate change into immediate threats to food, health, and economic security for millions of people.

How global bodies address human security 🔗

Recognising these threats, the United Nations and other international bodies have built frameworks and initiatives to operationalise human security. The aim is to coordinate responses that protect individuals directly, rather than waiting for crises to escalate into conflict.

The United Nations Trust Fund for Human Security 🔗

The UN established a dedicated Human Security Unit to embed the concept into its programmes. According to the UN’s human security framework, the approach helps international, national, and local actors coordinate responses to challenges like climate change by supporting community-led action, reducing disaster risks, and promoting fair use of environmental resources. The emphasis is on partnership, since many threats are too large for individuals or single communities to tackle alone.

The Sustainable Development Goals 🔗

The human security approach is woven into the UN’s broader development agenda. The Sustainable Development Goals (SDGs) reflect human security thinking directly, with goals targeting poverty, hunger, health, clean water, climate action, and strong institutions. These goals translate the abstract promise of global justice into concrete, time-bound commitments that nations can be held accountable to.

Climate negotiations and shared responsibility 🔗

International climate agreements such as the 2015 Paris Agreement embody the global justice debate over how responsibility for climate change should be distributed. A recurring theme in these negotiations is that high-polluting, wealthy nations should acknowledge their historical responsibility and provide funds to help vulnerable countries adapt. This idea, sometimes framed as climate finance flowing from the global North to the global South, is a direct application of cosmopolitan justice principles to a real-world problem.

Criticisms and limitations 🔗

The human security concept is powerful, but it is not without critics. The most common objection is that the idea is simply too broad. If almost every threat to wellbeing counts as a security issue, critics argue, then the concept loses its analytical sharpness and risks becoming, in the words of some scholars, little more than a slogan for activists. A vague concept, they warn, makes it hard for researchers to study and for decision-makers to design clear policy.

There is also a tension in practice. Although the 1994 report emphasised freedom from want, many international initiatives have in reality focused on freedom from fear, such as banning landmines or establishing the International Criminal Court. This gap suggests that even well-intentioned frameworks can drift towards the priorities of powerful states. Despite these criticisms, the concept’s central contribution remains: it forces us to ask who security is actually for.

Why this matters 🔗

The real strength of human security is that it refuses to let suffering be invisible. By naming poverty, disease, and environmental hazards as genuine security threats, it expands our moral imagination beyond borders and battlefields. It gives the lofty ideals of global justice a practical to-do list, focused on the concrete welfare of real people. And in an age of climate crisis, where the consequences of one nation’s actions wash up on another’s shores, this people-centred approach may be the most realistic path towards a fairer world.

Achieving global justice will never be simple. But human security offers a clear starting principle: judge a society, and indeed the whole international order, by how well it protects its most vulnerable members from fear, from want, and from indignity.

What do you think? If wealthy nations contributed the most to climate change but poorer nations suffer its worst effects, who should bear the cost of protecting vulnerable communities? And is it realistic to expect the international system to put individual human welfare above national interest?

References

1. https://www.undp.org/speeches/25th-anniversary-human-security-concept
2. https://www.un.org/humansecurity/what-is-human-security/
3. https://www.e-ir.info/2018/01/02/global-justice-in-international-relations-theory/
4. https://www.un.org/en/climatechange/science/climate-issues/human-security
5. https://www.e-ir.info/2019/09/17/student-feature-theory-in-action-global-justice-and-climate-change/
6. https://www.un.org/humansecurity/climate-change/