2025 NATO Summit in The Hague

Amid a historic year for the Alliance, the Atlantic Council led the charge in shaping the agenda for the 2025 NATO Summit in The Hague, the Netherlands, informing the transatlantic community, and demonstrating NATO’s enduring value.

Take a look at our footprint on the ground in The Hague as we look to operationalize the Alliance’s commitments to fortifying Euro-Atlantic security.

Expert commentary & analysis

NATO Defense Spending Tracker

Trackers and Data Visualizations

Jun 20, 2025

NATO Defense Spending Tracker

The Transatlantic Security Initiative’s NATO defense spending tracker delves into data and figures to analyze current defense spending trends.

Europe & Eurasia NATO

Our pillars

Defense and deterrence in Europe

Developing policy recommendations for deterring and defending against Russian aggression aimed at allies and partners in the European theater.

Emerging challenges to transatlantic security

Creating strategies to harness emerging and disruptive technologies to maintain NATO’s competitive advantage and cohering a transatlantic approach to hybrid threats from Russia and China.

China and transatlantic security

Identifying areas of divergence and convergence between the United States and Europe with respect to China and proposing ideas to collectively counter China’s malign activities.

NATO and the new south

Analyzing the security impacts of great power competition in the Mediterranean and Black Sea regions and developing strategies to improve stabilization missions beyond Europe’s borders.

Arctic security

Assessing the unique geopolitical and defense challenges of the High North to bridge perspectives between European and North American allies and partners on Arctic security issues.

NATO in America

Identifying bold policy ideas that demonstrate the enduring value of NATO to US interests in order to engage a new community of American champions for the Alliance.

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In the News

Jun 30, 2025

Murray featured in CNBC on fundamental changes to UK and NATO defense spending.

By Atlantic Council

On June 2, Rob Murray, non-resident senior fellow at Forward Defense and the Transatlantic Security Initiative, appeared on CNBC to advise on a radical rethink of deterrence from a European perspective. Murray states that the architecture behind defense financing has been uniquely designed for peacetime, so the European financial community will have to rework their financial alliance to maximize […]

Europe & Eurasia National Security

New Atlanticist

Jun 27, 2025

Four fundamental questions the NATO Summit did not answer

By Torrey Taussig

Over the coming months, NATO allies will have to wrestle with questions about the US commitment to Europe, their shared approach to China, and more.

Conflict Defense Industry

New Atlanticist

Jun 25, 2025

Experts react: NATO allies agreed to a 5 percent defense spending target in a low-drama summit. Now what?

By Atlantic Council experts

The Alliance summit was notable for what was said and done, especially about defense spending—but also for what was left off the agenda.

Europe & Eurasia NATO

New Atlanticist

Jun 23, 2025

Expect NATO’s new spending pledge to be overshadowed by weakening US commitment and inaction on Ukraine

By Ian Brzezinski, Ryan Arick

The Hague summit will ultimately be defined by what the US president communicates about his commitment to transatlantic security and what NATO allies do to support Ukraine.

Defense Policy NATO

Trackers and Data Visualizations

Jun 20, 2025

NATO Defense Spending Tracker

The Transatlantic Security Initiative's NATO defense spending tracker delves into data and figures to analyze current defense spending trends.

Europe & Eurasia NATO

New Atlanticist

Jun 20, 2025

What counts as ‘defense’ in NATO’s potential 5 percent spending goal?

By John R. Deni, Ryan Arick

The Alliance must ensure that “defense related” items truly contribute to collective defense as it plans its new, larger spending goal.

Defense Policy Europe & Eurasia

Issue Brief

Jun 5, 2025

Immediate steps that Europe can take to enhance its role in NATO defense

By Franklin D. Kramer, Kristen Taylor

As NATO members gather in the Hague amid uncertainty about US commitment to the continent and concerns about Russia’s military rebuilding, what can European nations do to deter and, if necessary, defeat threats from Moscow?

Europe & Eurasia NATO

New Atlanticist

Jun 5, 2025

What explains the transatlantic rift? It’s all about threat perception.

By Jason Davidson

NATO allies’ differing threat perceptions provide the backdrop for what could be a contentious summit in The Hague this month.

Defense Industry Defense Policy

Issue Brief

Jun 5, 2025

The world needs a maritime ‘elite league’ to combat rogue shipping

By Elisabeth Braw

The International Maritime Organization was created to address ocean safety. As member states have begun to erode and undermine the organization, there is need for coalitions of the willing or a maritime "elite league' to come together and enforce stricter enforcement of international maritime rules and regulations.

Economy & Business International Organizations

New Atlanticist

Jun 4, 2025

The UK Strategic Defence Review lays out an ambitious roadmap for reform. Will the government deliver?

By AM Sir Christopher Harper, KBE, RAF (Ret.)

The review is a positive step toward revitalizing the United Kingdom’s defense posture, but its success will depend on funding and follow-through.

Conflict Defense Industry