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U.S. President Donald Trump, German Chancellor Friedrich Merz and NATO Secretary General Mark Rutte at a NATO leaders summit in The Hague, Netherlands June 25, 2025.
Three takeaways from the NATO summit
But, as the world’s most powerful military alliance moves into a new and more robust phase, here are three things to ponder.
First, this was a win for Trump.
Donald Trump’s Reality TV approach to global politics is working. The US president has leveraged his country’s awesome military power, along with his own personal unpredictability and media savvy, to command the spotlight and advance his “America First” agenda. In this world, international meetings are merely backdrops for the Donald Trump show.
At the G7 summit in Alberta 10 days ago, he wrestled control of the world’s attention by leaving early to respond to the military conflict between Israel and Iran. After bombing Iran’s nuclear facilities, he announced a ceasefire between Israel and Iran that he initially sought to manage in CAPITAL LETTERS on social media. Flying off to the NATO summit, he published an ostensibly private text message from NATO Secretary General Mark Rutte, in which the mild-mannered former Dutch prime minister flattered Trump for his “decisive” bombing of Iran and insisted the president was headed to another major triumph at the meeting in The Hague.
“Europe is going to pay in a BIG way, as they should, and it will be your win,” Rutte wrote, accurately.
Rutte in fact set up the summit as an extended ceremony of capitulation. He even called Trump “daddy” in an exchange about wrangling peace between Iran and Israel. It looked undignified, and out of step with the attitudes of European voters who are largely hostile to Trump. But it worked. The alliance is paying more for defense, and Trump now seems to be a staunch supporter of NATO again.
Note: Trump is hardly the first US president to demand that NATO members shoulder more of the alliance’s defense burden. But he is the first to get them to actually do it so decisively. The most powerful unscripted drama in the world is playing out in Trump’s favor.
Second, the rearming of Europe has begun.
Europe’s voters, accustomed to social democracies that spend a lot of money on public services, might rather their governments spend money on butter, but they have come to see that they must buy guns. Russian President Vladimir Putin’s invasion of Ukraine has made it necessary. Last year, Putin spent $149 billion on the Russian military, 7.1% of the country’s GDP, creating a vast and menacing war machine on Europe’s doorstep. And it is not possible to be confident that Russia’s ambitions are limited to Ukraine, since Russians are engaged in sabotage and disruption actions in many countries.
Could Europe contain Russia on its own? Not anytime soon. A recent study found it would take 25 years and a trillion dollars to replace the US presence that has largely kept the peace on the continent since the end of the Second World War.
But the rearmament of the continent has already begun, most swiftly in the parts closest to Russia. Poland, which has the example of Ukraine to consider, increased defense spending by 31% in 2024, to $43 billion, straining its ability to pay. Germany spent $88.5 billion in 2024, removing a legislated debt limit to do so. It is now, for the first time since reunification in 1990, the biggest defense spender in Western Europe. France spent $64.7 billion in 2024, the UK $81.8 billion. On Wednesday, they all agreed to spend a lot more.
Third, higher defense spending is a promise but not yet a reality.
Trump is mollified, arms manufacturers are cheerful, and a clear signal has been sent to the Russians, but only time will tell if NATO members will do as they have said they will. Politicians setting targets is one thing, actually spending the money is another.
After all, there is only so much money to go around and, in democracies where voters can be fickle, it may be hard for leaders to ramp up defense spending consistently over the course of a decade.
Some of them can’t even do it now: Spanish Prime Minister Pedro Sánchez showed up in the Hague with the right script, but without his checkbook, because he leads a minority government that would not be able to pass a budget if he aimed for the 5% target.
Canadian PM Mark Carney, for his part, promised Canada will hit the target, doubling its budget by 2035, but it is not clear whether voters there — or in Spain or other countries that don’t have Russian troops on their borders — will want to keep spending so much money. And by 2035, most of the current leaders will likely not be in power.
There is another wild card too: Russia. Global military spending increased at 9.4% last year, the steepest increase since the end of the Cold War, which ended when the Soviet Union ran out of money.
If history repeats itself, and Russia is unable to sustain its aggression, voters in NATO countries will no doubt find they have better things to spend on, and there will be no way to hold them to the commitments Trump won this week.
Polish Minister for European Affairs Adam Szlapka speaks during the presentation of the program for the 2025 Poland's Presidency of the Council of the European Union in Warsaw, Poland, on Dec. 10, 2024.
Poland calls for security self-reliance for Europe
With Donald Trump set to take office as US president on Monday, Poland is beginning its six-month presidency of the European Union with a warning: This is “the right time to say loudly that it’s time [for Europe] to take responsibility for our future and our security,” Poland’s Europe minister, Adam Szłapka, told the Guardian on Wednesday. Poland holds the rotating presidency from Jan. 1 to June 30, 2025.
Poland has long warned that many fellow EU members underestimate the threat that Russia poses for Europe, and with Trump now promising to broker a ceasefire agreement in Ukraine, Poland’s government wants to be sure Europeans understand the longer-term risk.
Szłapka warned of “a very difficult time” ahead. And though Polish officials are careful not to criticize Trump directly, at least until his approach to Russia, Ukraine, and the future of NATO becomes clear, Poland continues to insist that Europe can’t outsource its security to the United States indefinitely.
In fact, Poland’s defense minister has welcomed the incoming US president’s call for NATO member states to spend 5% of their GDP on defense. Poland is already NATO’s biggest defense spender – with 4.12% of GDP in 2024 and an expected jump to 4.7% this year.
It’s a reminder that while many Europeans are casting a wary eye toward Washington, Poland’s attention remains firmly focused on the Kremlin.