For their 3-1 win on Tuesday night Vietnam got 15.47 points, which enabled them to climb four places to 98th. They have 1,218.55 points and are behind Congo with 1,221.4 points.
Since FIFA put out the previous ranking list on December 23 Vietnam have played four games.
They lost 3.01 points after two disappointing games against Thailand in the AFF Cup semifinals, and another 6.45 points for a 0-4 defeat against Australia in a World Cup qualifier.
Vietnam remained the number one team in Southeast Asia and 17th in Asia. Thailand have climbed to 112th, 14 places behind Vietnam after their AFF Cup title in December.
The 3-1 win against China made Vietnam the first Southeast Asian team to win a game in the final round of World Cup qualifiers. Thailand advanced to the final round in 2018, but they only managed two draws.