US President Donald Trump says the United States has reached a new security agreement with Denmark and Greenland that would give Washington what he calls a permanent role in Greenlandâs defense, while Danish and Greenlandic leaders say the territoryâs sovereignty and right to self-determination remain unchanged.
The announcement is significant because Greenland has become a central part of the wider Arctic security debate. Its location between North America and Europe gives it strategic value for military surveillance, missile warning, aviation and northern shipping routes at a time when the United States and European allies are paying closer attention to Russian and Chinese activity in the region.
Agreement is expected to be signed next week
Greenland, Denmark and the United States are expected to sign the agreement during the United Nations General Assembly next week, according to an official statement from Denmarkâs Prime Ministerâs Office.
The pact will not automatically take effect after signing. Denmark says it must first complete the necessary national parliamentary procedures.
Greenland Prime Minister Jens-Frederik Nielsen said the agreement is intended to strengthen security for Greenland, Denmark, the United States and the wider Western alliance. Danish Prime Minister Mette Frederiksen said it also recognizes the sovereignty and territorial integrity of the Kingdom of Denmark and the Greenlandic peopleâs right to self-determination.
Trump describes the US security role as permanent
Trump has used stronger language to describe the arrangement, saying the United States will have the ability to address its security concerns in Greenland on a permanent basis.
He also said countries regarded by Washington as adversaries would not be allowed to establish military bases, maintain a military presence or make certain sensitive investments in Greenland without US approval.
The president has described the arrangement as having no fixed end date. However, the full legal text has not yet been publicly released, so the exact scope of Washingtonâs authority will become clearer only after the agreement is formally published and reviewed.
Greenland is not being transferred to the United States
The most important distinction is between security authority and territorial ownership.
Denmarkâs statement does not announce any transfer of Greenland to the United States. Greenland remains a self-governing part of the Kingdom of Denmark, with its own government and broad control over domestic affairs.
Earlier debate around Trumpâs Greenland policy often focused on possible US ownership. A detailed explainer on why the United States has shown growing interest in Greenland examines the defense, shipping and resource factors behind that attention.
A larger American military presence could follow
Trump said the United States intends to begin developing a larger military presence in suitable parts of Greenland. No detailed list of future sites, troop numbers or construction schedules has yet been made public.
The US already operates Pituffik Space Base in northwestern Greenland, where military systems support missile warning, space surveillance and other defense missions.
American defense involvement in Greenland also predates the current dispute. The United States and Denmark have maintained a security relationship there for decades, including through the 1951 defense agreement.
Russia and China remain part of the wider Arctic concern
Trump has repeatedly argued that a stronger US position is needed to prevent Russia or China from expanding their strategic presence in Greenland and the surrounding Arctic region.
The concern extends beyond conventional military bases. Governments are also watching investment in critical infrastructure, technology, minerals and transport routes as geopolitical competition in the Arctic increases.
The issue has already created tension between Washington and European governments. During his appearance at the World Economic Forum earlier this year, Trump renewed his push for greater US control while saying military force was off the table, a dispute covered in our report on Trumpâs Greenland push at Davos and pressure on Europe.
Why the new agreement matters for NATO and Europe
If implemented, the deal could give Washington a stronger and more durable security role in Greenland without changing the islandâs political status.
That distinction may help ease one part of the earlier dispute. Trump can point to expanded US security authority, while Denmark and Greenland continue to emphasize sovereignty, territorial integrity and self-determination.
Denmark has also argued that stronger Arctic security benefits NATO and Europe more broadly. The region has become increasingly important for air and maritime monitoring, allied defense planning and protection of critical northern infrastructure.
Key details are still awaiting the final text
Several practical questions remain unanswered, including the precise limits of US authority, the scale of any military expansion, how restrictions on sensitive foreign investment would work and whether additional facilities will be built.
For now, the clearest reading of the announcement is that Washington is seeking a long-term security role in Greenland, while Denmark and Greenland maintain that sovereignty and Greenlandic self-determination remain intact. The final agreement and parliamentary process will determine how those commitments operate in practice.
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