It is, as the USA has a large population. We can be more nuanced.
By absolute dollars, single country: US > EU institutions > Germany > UK
By absolute dollars, bloc vs. bloc: EU/Europe combined (~$237bn+) now exceeds the US (~$130bn), especially after 2025
By per-capita/GDP burden: tiny front-line states (Denmark, Estonia, Lithuania, Norway) far outstrip both the US and the larger Western European economies — the US actually ranks closer to the bottom of the pack on a relative-effort basis, behind Germany, the UK, and virtually all Nordic/Baltic states
Between February 2022 and January 2025, average expenditure per European resident stood at $394; by April 2026 that figure had risen to $618, driven by the total spending by European NATO countries on Ukraine exceeding $237 billion, including $96 billion contributed just since January 2025.
Average European (across NATO's European members) $618 per person (2022-2026)
United States (my estimate: ~$130bn total ÷ ~340m population)≈ $384 per person