An absorbent article (1) of the present invention is configured by including an absorbent member 4 and a topsheet (2) which is arranged on a skin-facing surface side of the absorbent member 4, wherein the absorbent member (4) is arranged so as to include an absorbent core (40 and core wrap sheet (41) which covers at least a skin-facing surface (40a) of the absorbent core (40). The topsheet (2 has a large number of projections (25) protruding toward the skin of a wearer. A Slit (5), which extends in a predetermined direction X, and has an opening (50) on at least a non-skin-facing surface (40b) side of the absorbent core 40, is formed on the absorbent core (40). A portion of the core wrap sheet (41, which covers the skin-facing surface (40a) of the absorbent core (40), has a liquid permeation time of a low viscosity liquid of 2.5 seconds or less.