The present invention aims to provide the disposable diaper improved so as to prevent the diaper from slipping down during its use and to give the wearer no uncomfortable feeling of local oppression around the wearer's waist. A disposable diaper (1A) is provided with elastically stretchable waist areas (10) extending in a transverse direction along respective end portions (8) of front and rear waist regions (5, 7) and a pair of elastically stretchable wing areas (11) extending outward in the transverse direction from the side edge portions (9) of the rear waist region (7). In this diaper 1A, the side edge portions (9) of the rear waist region (7) are respectively interposed between the stretchable waist area (10) and the stretchable wing areas (11). The stretchable wing areas (11) have a transverse stretch stress higher than a transverse stretch stress of the stretchable waist area (10), so the tensile force exerted on the stretchable wing areas (11) is segmentalized and restrained by the side edge portions (9) of the rear waist region (7).
