NATO leaders backed plans for a major increase in defence spending and reaffirmed their commitment to collective security during a summit in The Hague in the Netherlands.
In a joint statement, the 32-member alliance endorsed a new spending target of 5 percent of gross domestic product by 2035, up from the current goal of 2 percent.
The move comes amid heightened security concerns following Russia’s full-scale invasion of Ukraine in 2022 and after repeated calls from Trump for greater allied contributions.
"Thank you, President Donald Trump, for your great leadership and key support for the initiative to increase defence spending,” Poland's Duda wrote on X.
"I am delighted that I have been part of the process when I proposed this solution at Trump Tower last year," he added.
Duda said he was "glad that the decision on increasing defence spending across all NATO member states has been taken unanimously."
He called NATO's Hague summit "truly historic" and a moment that "made the transatlantic bond stronger."
Duda, a vocal advocate for increased military spending, said on Tuesday that Russia’s renewed aggression made it imperative for NATO members to bolster their defence budgets.
Domestically, he has proposed a constitutional amendment that would set Poland’s minimum defence spending at 4 percent of GDP. He urged lawmakers to pass the measure, arguing that the high threshold needed to reverse a constitutional provision would help safeguard national security.
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Source: IAR, PAP