Wales have slipped two places to eighth in the International Rugby Board world rankings, despite finishing fourth at the Rugby World Cup.
Australia, who beat Wales in the third place play-off, are second behind winners New Zealand.
Beaten finalists France are ranked third, South Africa are fourth, while England complete an unchanged top five.
Ireland - who Wales beat in the quarter-finals - rise a place to sixth, as do seventh-placed Argentina.
Wales reached the last four in New Zealand and almost shaded France for a place in the final, despite playing over an hour with 14 men following the early dismissal of captain Sam Warburton.
But despite their World Cup heroics, Warren Gatland's men are the only side in the top 10 to fall down the ladder.
Tonga are ranked in ninth, with Scotland completing the top 10.