Japan and PNC champion Tonga each moved up one spot — to No. 14 and 13, respectively.
Scotland returned to the top 10 thanks to its 30-29 win over Italy, jumping two places to No. 9. Argentina and Tonga fell one spot each, settling in at No. 9 and 10, respectively.
Italy remained at No. 12. Romania moved one place to No. 17, dropping the U.S. to No. 18.
New Zealand stays No. 1 after its 24-9 win over France, ahead of South Africa, Australia, England and France.