Provided is a disposable diaper, which is very comfortable when worn and in which elastic sheets are disposed in both the front and back waist areas and the crotch area and the elongation rate of the crotch area is lower than that of the front and back waist areas. In the disposable diaper (10), the front and back waist areas (11, 12) and the crotch area (13) are formed from elastic sheets and are elastically stretchable in the transverse direction (X). High elasticity areas (41) are located in the front and back waist areas (11, 12) and a low elasticity area (42) with an elongation rate in the transverse direction (X) that is lower than the high elasticity areas (41) is located in the central section of the crotch area (13).
