A disposable pull-on garment is disclosed, The pull-on garment comprises a ring-like elastic belt. The ring-like elastic belt comprises a front belt portion and a back belt portion comprising a belt layer and a belt elastic material joined to the belt layer. Each ring-like elastic belt portion has a central panel, and left and right side panels contiguous with its central panel. The central panel of the front belt portion is joined to the front waist panel of the absorbent main body. The central panel of the back belt portion is joined to the back waist panel of the absorbent main body. The respective left and right side panels of the front belt portion and the back belt portion are joined together at or adjacent to the respective left and right side edges to form the waist opening and the two leg openings. The longitudinal lengths of the side panels of the back belt portion are greater than the longitudinal lengths of the respective side panels of the front belt portion.