There is provided a diaper (11) including a stretchable abdomen side waist part (2), a back side waist part (3) and an absorbent main body (4). The abdomen side waist part (2) includes a cutout (20) at a center part of an upper end region in the width direction, and the number of members that is layered on the abdomen side waist part (2) in at least a part of an edge region (20a) including an outer edge (200) of the cutout (20) is larger than the number of members that is layered on the abdomen side waist part (2) in each of leg-circumference peripheral regions (2a) that are regions positioned on both sides of the absorbent main body (4) in the width direction in a lower end region of the abdomen side waist part (2).
