PROBLEM TO BE SOLVED: To provide a disposable diaper capable of being arranged along the bulge of the abdomen and suppressing displacement and leakage.SOLUTION: An absorbent core arrangement area where an absorbent core of the disposable diaper is arranged, includes a low basis weight part 4 formed thereon such that the absorbent core can bend in the thickness direction. The low basis weight part extends in the product width direction in a front waist area. The disposable diaper includes: a first stretchable member 11 that is arranged along the low basis weight part and stretches in the product width direction and a second stretchable member 12 that is arranged outward the first stretchable member in the product longitudinal direction and stretches in the product width direction.
