This correspondence responds to a Series paper by Nima Etminan and colleagues concerning unruptured intracranial aneurysms. The authors feel compelled to clarify recurring misunderstandings that were presented. These misunderstandings particularly relate to epidemiological evidence in Finland. Previous works have already clarified misinterpretations regarding the epidemiology of subarachnoid haemorrhage and unruptured intracranial aneurysms. The aim is to correct information presented in the aforementioned Series paper. The correspondence emphasizes the need for an accurate understanding of epidemiological data. It focuses on specific aspects of the epidemiology of unruptured intracranial aneurysms within the Finnish context.