Europe is ageing straight into the risk window.

An older continent

Europe is the oldest region in the world by median age, and getting older. The EU’s median age was 44.9 years at the start of 2025, ranging from about 40 in Ireland to 49 in Italy, and the share of people over 65 keeps rising (Eurostat). Ageing is the single biggest non-modifiable risk factor for neurodegenerative disease, so the population structure itself is pushing case numbers up.

What the prevalence data shows

Dementia prevalence rises sharply with age, from under 1 percent in people aged 65 to 69 to roughly a quarter of those over 90 in European cohort data. Alzheimer Europe estimates around 9.1 million people are living with dementia in the EU today, rising to about 14.3 million by 2050. The case curve follows the demographics.

Who Deep Medicine is built for

Deep Medicine targets adults aged 45 and up, the group moving into that widening risk window. The platform is designed to make assessment cheap and non-invasive enough to offer broadly, rather than only after symptoms bring someone to a clinic. The point is to meet an ageing population earlier in the curve.