Provided is an absorbent article capable of suppressing unintentional shape change of the absorbent article when the posture of a wearer repeatedly changes, e.g., when rolling over during sleep, and capable of suppressing leaking and worsening of wearing comfort. The absorbent article has: an absorbent core (31) arranged in the crotch region and the rear-side region and hip flaps (4). The absorbent core has: a second low basis weight section (42) positioned in the center in the width direction of the absorbent core, in a rear-side region and a high basis weight section (45) positioned further on the outside in the width direction than the second low basis weight section. The absorbent article (1) has: a surface sheet (11) covering the low basis weight section and the high basis weight section and flap sheets (15) arranged in the hip flaps. An outside edge (11OE) of the surface sheet is positioned further on the inside in the width direction than an inside edge (15IE) of the flap sheets.提供一種吸收性物品,可以抑制使用者的姿勢由翻身等反覆變化時吸收體的意想不到地變形,抑制漏出的發生及裝設感的惡化。吸收性物品,具有:被配置於股下域及後側域的吸收芯(31)、及臀翼(4)。吸收芯,在後側域具有:位於吸收芯的寬度方向中央的第2低基重部(42)、及位於比第2低基重部更寬度方向外側的高基重部(45)。吸收性物品(1),具有:將低基重部及高基重部覆蓋的表面薄片(11)、及被配置於臀翼的翼薄片(15)。表面薄片的外側緣(11OE),是位於比翼薄片的內側緣(15IE)更寬度方向內側。1‧‧‧吸收性物品3‧‧‧翼4‧‧‧臀翼4E‧‧‧外緣4F‧‧‧凸部10‧‧‧肌膚面薄片11‧‧‧表面薄片11OE‧‧‧外側緣12‧‧‧側薄片15IE‧‧‧內側緣30‧‧‧吸收體33‧‧‧中高部41‧‧‧第1低基重(日本織物單位面積重量)部42‧‧‧第2低基重部43‧‧‧第3低基重部45‧‧‧高基重部81‧‧‧前側壓搾部82‧‧‧長度壓搾部84‧‧‧後側壓搾部85‧‧‧第1壓搾部86‧‧‧第3壓搾部87‧‧‧第2壓搾部L‧‧‧前後方向W‧‧‧寬度方向S1‧‧‧股下域S2‧‧‧前側域S3‧‧‧後側域CL‧‧‧中心線P1‧‧‧最大幅度的位置
