Spain and Germany remain 1-2 in FIFA's monthly standings, while Brazil leapfrogs No. 4 Portugal.
Argentina and Switzerland both climb two places to Nos. 5 and 6. Colombia drops three to No. 8. Group D rivals Uruguay, Italy and England are also all in the top 10.
Canada remained in the No. 110 position, tied with Bahrain and sandwiched between Latvia and Niger.
No. 11 Belgium is the lowest-ranked of the seeded World Cup teams. The United States at No. 13 leads CONCACAF nations.
Algeria, at No. 22, is top-ranked in Africa and No. 43 Iran heads Asian confederation teams. Australia, No. 62, is the lowest-ranked team at the World Cup.
Canada tied Bulgaria 1-1 in a friendly last month and played Moldova to a 1-1 draw a few days later.