Alzheimer Europe estimates the number of people with dementia in Slovenia as 32,034 in 2012. This represents 1.57% of the total population 2,040,057. The number of people with dementia as a percentage of the population is slightly higher than the EU average, 1.55%. The following table shows the estimated number of people with dementia between 30 and 59 and for every 5-year age group thereafter.

Spomincica (Forget Me Not), the Slovenian Alzheimer Association, estimates that 30,000 people have dementia in Slovenia and that 1% of people under 60 have dementia. It is also estimated that only 50% of the population with dementia has been diagnosed in Slovenia.