Pants-type absorbent article

A pants-type absorbent article, comprising:

• a front waist region to be placed on a front waist of a wearer;
• a rear waist region to be placed on a rear waist of the wearer;
• a crotch region located between the front waist region and the rear waist region;
• a front-back direction extending from the front waist region to the rear waist region;
• a waist opening defined by the front waist region and the rear waist region and disposed to surround a waist of the wearer;
• an external topsheet provided on at least one of the front waist region and the rear waist region;
• and
• an external backsheet bonded to the external topsheet, wherein
• the external backsheet has a folded-back portion folded back at the waist opening, the folded-back portion extending beyond the external topsheet toward to the waist opening,
• a reinforcing sheet is provided to extend in a transverse direction orthogonally crossing the front-back direction and to overlap at least part of the folded-back portion,
• the reinforcing sheet has a length in the front-back direction longer than a length of the folded-back portion in the front-back direction,
• the reinforcing sheet is provided in both the front waist region and the rear waist region, and
• the reinforcing sheet provided in the rear waist region has a length in the front-back direction longer than a length of the reinforcing sheet provided in the front waist region.