The present invention provides a dementia prediction system which easily generates dementia prediction information for users by using raw data. The dementia prediction system comprises: a sensor device measuring raw data while a user walks; and a mobile terminal receiving raw data transmitted from the sensor device to calculate an average walking speed with regard to reference walking speeds belonging to a set speed standard among the walking speeds calculated from the raw data and generate dementia prediction information based on the average walking speed.
Dementia prediction system