The Republic of Ireland have fallen one place to 40 in the updated Fifa ranking announced on Thursday, March 14.
Giovanni Trapattoni's Boys in Green have dropped one place in the rankings despite recording a 2-0 victory over Poland on February 6 and find themselves behind Australia and just ahead of Panama.
The top six remains unchanged, with Spain occupying top spot and Ireland's World Cup qualifying rivals Germany in second place. Sweden remain in 21st position, while Austria have fallen three places to 79.
Northern Ireland have risen five places to 97 in the rankings despite only recording a 0-0 draw with Malta in February.
England remain in fourth place in the rankings, behind Argentina and ahead of Italy. Gordon Strachan's Scotland are down two places to 66, while Wales have dropped three places to 71.