 When the World Rugby Rankings were introduced in October 2003 , Wales were ranked 8th . They rose to 7th in June 2004 , before falling back to 8th in November that year . Following a Grand Slam win in the 2005 Six Nations , they rose to a ranking position of 5th . They fell to 9th by June 2006 , and , after rising back to 8th by September , fell to 10th after the 2007 World Cup . A second Six Nations ' Grand Slam in 2008 propelled them to 6th in the rankings , but following losses to South Africa in the mid @-@ year and end @-@ of @-@ year internationals Wales slipped to 7th . Wales climbed to 4th after a win over Scotland in their first match of the 2009 Six Nations . They <unk> to 9th in 2010 but rose back to 4th after their fourth place in the 2011 World Cup . Since then – <unk> a nine @-@ game slump in 2012 – 13 where they fell to 9th – Wales have ranked consistently in the top six teams . They reached their highest ranking of 2nd during the 2015 Rugby World Cup . 
