He mixed up Iceland and Greenland at Davos and earlier in January, garbled "adopt" and "adapt" at an executive signings in November 2025, and after a summit photo op with China’s Xi in October 2025 asked "Which way?" when exiting the stage. At a Doral roundtable in October he even asked where a mayor sitting beside him was.
Psychologists and relatives have noted short-term memory concerns, and a clinician quoted in reporting suggested repeated Montreal Cognitive Assessments may indicate ongoing monitoring. Trump has denied any decline, while these public missteps continue to dominate coverage.