PROBLEM TO BE SOLVED: To provide a pant-type disposable diaper that can strike a balance between the fitting properties in the vicinity of the end in an absorber and the elimination of a sense of incongruity.SOLUTION: In a pant-type disposable diaper 1 in the present invention, an absorber 4 has a thin wall portion 42 in the longitudinal end, an exterior body 10 has two or more waist elastic members 91 respectively disposed at intervals in a diaper longitudinal direction X along the diaper width direction in an extended state in the region of the inside leg side from a longitudinal end edge 4e of the absorber 4, and at least one of the two or more waist elastic members is arranged across the absorber 4 in the diaper width direction and has a portion overlapped with the thin wall portion 42. A surface sheet 2 has an irregular shape, the position of a longitudinal end edge 2a of the surface sheet 2 is matched with the position of the longitudinal end edge 4e of the absorber 4, and the skin abutment surface side of the end edge 2a of the surface sheet 2 is covered by an end cover nonwoven fabric 17.SELECTED DRAWING: Figure 3
