SURFACE MATERIAL AND INTERIOR MATERIAL

Provided are: a surface material that is easy to sew and has excellent appearance; and an interior material including the same. A surface material includes: a first surface portion; and a second surface portion that is continuous with the first surface portion through a continuous portion and where a back surface side is formed stepwise on a front surface side with respect to the first surface portion. The second surface portion includes a sewing-scheduled portion to be sewn with a sewing thread. The continuous portion is provided with an expansion-assisting portion that allows the continuous portion to be expandable from the back surface side, at a position along the sewing-scheduled portion on the back surface side.