Is NATO a force of good in the world?

A balanced look at NATO's record — gathering sources on its history, successes and criticisms.

Whether NATO is a "force for good" is debated, and the answer often depends on what criteria you use — security, stability, democracy, sovereignty, or anti-militarism. Here is a balanced overview of the arguments most commonly made for and against:

What NATO Is

NATO, the North Atlantic Treaty Organization, is a military alliance established in 1949 to create a counterweight to Soviet armies stationed in central and eastern Europe after World War II. Its purpose was to secure peace in Europe, to promote cooperation among its members and to guard their freedom.

Its core principle is collective defence, meaning that an attack against one Ally is considered as an attack against all Allies. This is enshrined in Article 5 of the NATO Treaty, which holds that an attack against one member state is considered an attack against all members, and therefore, all members are obligated to assist the attacked member.

Since 1949, membership has increased from 12 to 31 countries through nine rounds of enlargement, now 32 with Sweden and Finland joining since 2023.

Arguments That NATO Is a Force for Good

1. Collective defense and deterrence:
Supporters point to NATO's record of providing a system of collective defense against external threats. During the Cold War, NATO's ability to prevent a major conflict between the United States and the Soviet Union helped maintain peace and stability in Europe for several decades. The collective defense guarantee has deterred aggression against member states and provided a security umbrella that has contributed to stability.

Its military infrastructure, interoperability, and intelligence sharing ensure a comprehensive and effective response to security threats.

2. Crisis management and peacekeeping:
NATO has conducted numerous military operations and missions, including peacekeeping in the Balkans, counter-terrorism operations in Afghanistan, and humanitarian assistance. After the Cold War ended, NATO took on new roles like crisis management and peacekeeping, including peacekeeping in the Balkans and intervening to stop violence in Kosovo.

Supporters cite examples like peacekeeping efforts in Bosnia and Herzegovina during the 1990s as successful crisis management helping to stabilize the region post-conflict, and that NATO took the lead in stopping two conflicts in the Balkans, in Bosnia and Kosovo, and in creating peacekeeping forces.

NATO also conducts operations like Operation Active Endeavour in the Mediterranean and Operation Ocean Shield in the Horn of Africa to combat piracy and terrorism.

3. Political cooperation and democratic values:
NATO has played a role in promoting political and economic cooperation among its member countries, and supporters argue its promotion of democratic values contributes to peacekeeping efforts, sets standards for international behavior, and fosters trust and cooperation among member nations. The alliance commits members to democracy, individual liberty and the rule of law.

Common Criticisms of NATO

1. Mission Creep and Overreach:
Critics have argued that NATO has expanded too far and has taken on missions that are outside of its core area of responsibility, such as in Afghanistan and Libya.

NATO’s interventions in places like Afghanistan and Libya have drawn criticism, with some viewing these operations as outside the alliance’s core mission of collective defence.

2. Mixed Outcomes of Interventions:
In Afghanistan, despite nearly two decades of military presence, the conflict remains unresolved, and the long and costly mission, which ended with the Taliban regaining control in 2021, is seen by many as a failure of NATO’s capacity. In Libya, the country remains divided and unstable, with various factions vying for control. Critics also note that while the Libya mission was framed as humanitarian, the aftermath left a power vacuum and ongoing instability, prompting questions about long-term consequences.

Critics argue that NATO overstepped its mandate and violated the sovereignty of the countries in question.

3. Provoking tensions with Russia:
Some critics have argued that NATO’s expansion and deployment of troops and military assets closer to Russia’s borders has exacerbated tensions with Russia and has contributed to a new Cold War.

4. Burden-sharing:
Some critics have argued that NATO’s larger and more powerful member countries, such as the United States, bear a disproportionate share of the financial and military burden, while smaller and poorer member countries contribute less. The discrepancy in defense spending has been a source of debate within the alliance.

5. Not purely defensive:
Critics, including Russian officials, challenge NATO’s description of itself as a defensive alliance, citing campaigns in Yugoslavia, Afghanistan and Libya.

How Different Perspectives Weigh These Factors

In short, there is factual evidence for NATO contributing to territorial defense, deterrence, and some peacekeeping successes, and also factual evidence of costly, controversial interventions with unstable outcomes. Whether the balance makes it a "force for good" depends on which values and consequences you weigh most heavily.