Ireland drop to 31st in latest FIFA world rankings as Northern Ireland reach new heights
Despite beating 14th-ranked Switzerland 1-0 at the Aviva last month, Martin O'Neill's Republic of Ireland side have slipped two places in the latest FIFA world rankings.
The USA and Poland leapfrog Ireland who are now ranked as the 31st best team on the planet.
Northern Ireland's 1-1 draw with Wales and their 1-0 victory over Slovenia has helped them jump two places to 26th, their highest ever ranking.
Argentina have knocked Ireland's Group E opponents at Euro 2016 Belgium off the top spot.
England have lost a place and fall to 10th after Roy Hodgson's men fought back from behind to beat Germany but lost to the Netherlands days later.
Scotland have been rewarded for back-to-back victories over the Czech republic and Denmark with a five-place rise in the rankings. They now lie in 40th place.
Wales are the biggest losers after their defeat to the Ukraine. They have fallen seven places to 24th.