Despite their elimination after the group stage, Tonga have risen from 13th to ninth on the latest ranking list issued by the International Rugby Board on Monday.
France dropped from fifth to eighth place, their lowest ranking, after the 19-14 weekend loss to Tonga and despite finishing second behind New Zealand in Pool A to reach the knockout rounds.
Quarterfinalists Ireland, Wales and Argentina have all moved up one place: Ireland to fifth, Wales to sixth and Argentina to seventh.
Scotland have dropped from ninth to 10th after missing out on the quarterfinals for the first time.