President Donald Trump warned that Europe faces the “stark prospect of civilizational erasure,” arguing in a new national security blueprint that decades of European Union-backed mass migration have driven cultural and economic decline across the continent.
The 2025 National Security Strategy, released Dec. 5 by the White House, blames rising crime, strained public resources, weakened social cohesion, labor-market disruption, and the erosion of national identities on migration policies embraced across the EU. The document insists that decisions about “who a country admits into its borders — in what numbers and from where — will invariably define the future of that nation.”
If current trends continue, Europe could become “unrecognizable in 20 years or less,” the document predicts. It also questions whether some European nations will remain economically or militarily strong enough to serve as reliable U.S. allies.
“Over the long term, it is more than plausible that within a few decades at the latest, certain NATO members will become majority non-European,” the document states. “As such, it is an open question whether they will view their place in the world, or their alliance with the United States, in the same way as those who signed the NATO charter.”
Beyond migration policy, the report criticizes Europe for what it describes as broader institutional and cultural weakness — from collapsing birthrates and rising censorship to “a loss of national identities and self-confidence.” It cites the continent’s shrinking share of global GDP, falling from 25% in 1990 to 14% today, as evidence of deepening malaise. At the same time, it casts the rise of “patriotic European parties” as a sign of potential resurgence in national sovereignty.
In addition to its focus on Europe, the 33-page report outlines U.S. priorities across four other regions: the Western Hemisphere, Asia, the Middle East, and Africa.
A central focus is the Western Hemisphere, where the administration introduced what it calls the “Trump Corollary” to the Monroe Doctrine. According to the document, the U.S. seeks to block “non-Hemispheric competitors” from establishing strong footholds in the region, while strengthening partnerships that help control migration, disrupt drug trafficking, and bolster stability.
“After years of neglect,” it states, “the United States will reassert and enforce the Monroe Doctrine to restore American preeminence in the Western Hemisphere, and to protect our homeland and our access to key geographies throughout the region.”
The Trump administration previously announced the corollary Dec. 2, the anniversary of the Monroe Doctrine. In the proclamation, the administration reaffirmed “that the American people — not foreign nations nor globalist institutions — will always control their own destiny in our hemisphere.”
As part of its broader foreign policy principles, the strategy also argues that large-scale migration directly shapes national power.
“The era of mass migration must end,” it says. “Border security is the primary element of national security. We must protect our country from invasion, not just from unchecked migration but from cross-border threats such as terrorism, drugs, espionage, and human trafficking.”
Across the remaining regions, the report states that the U.S. will work to rebalance economic ties with China, encourage Middle East partners to assume greater responsibility for their own security, and expand trade and development partnerships in Africa.
In an introductory letter, Trump framed the strategy as an “America First” blueprint: “This document is a roadmap to ensure that America remains the greatest and most successful nation in human history and the home of freedom on earth.”
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