Disclosed herein is a memory device, including: a memory element including a memory layer for holding therein information in accordance with a magnetization state of a magnetic material, a fixed magnetization layer which is provided on the memory layer through a non-magnetic layer and whose direction of a magnetization is fixed to a direction parallel with a film surface, and a magnetic layer which is provided on a side opposite to the fixed magnetization layer relative to the memory layer through a non-magnetic layer and whose direction of a magnetization is a direction vertical to the film surface; and a wiring through which a current is caused to flow through the memory element in a direction of lamination of the layers of the memory element.