Absorbent article

An absorbent article having a longitudinal direction, a lateral direction intersecting the longitudinal direction, and a front-back direction intersecting the longitudinal direction and the lateral direction, the absorbent article comprising:

• a front waist portion extending along the lateral direction;
• a back waist portion extending along the lateral direction;
• and
• a crotch portion provided between the front waist portion and the back waist portion,
• wherein
• a lateral end portion of the back waist portion on a first side of the absorbent article and a lateral end portion of the front waist portion on the first side are joined by a first joining portion,
• the back waist portion has a fastening portion provided on a second side of the absorbent article opposite to the first side in the lateral direction, the fastening portion being configured to be fastened to the front waist portion when putting on the absorbent article,
• the front waist portion has a target region, the target region being a region to which the fastening portion is to be fastened,
• the crotch portion has a central line that bisects a dimension of the crotch portion in the lateral direction,
• a lateral end of the target region on the first side is located, in the lateral direction, between the lateral end portion of the front waist portion and the central line of the crotch portion,
• when putting on the absorbent article, a first leg opening is formed on the first side of the absorbent article and a second leg opening is not formed on the second side of the absorbent article, and
• the absorbent article is configured such that the second leg opening is formed by fastening the fastening portion to the target region while one of a wearer's legs has been inserted through the first leg opening.