Martin O'Neill's side remain in the top-30
The Republic of Ireland remain in 26th place in FIFA's World Rankings.
May's rankings were released on Thursday morning, with minimal movement in the top-50. Only Slovakia have moved in the rankings, dropping one slot to 24.
Martin O'Neill's side remain in the top-30 and are joined by Northern Ireland in 26th place. While Northern Ireland remain static in position over the past 12 months, the Republic of Ireland have moved up five slots, after being in 31st place last May.
Brazil continue to top the World Rankings, with Argentina and World Champions Germany completing the top-three. Chile and Colombia remain in fourth and fifth place as South American sides dominate the rankings.
In Ireland's World Cup qualification group, only Wales have a higher ranking. They are currently in 13th place. Austria and Serbia are both in the top-50 in 36th and 49th places respectively.
Georgia are in 122nd place, while Moldova 37 places further behind in 159th position.
Closer to home, England remain one spot behind Wales in the Rankings. Gareth Southgate's side are in 14th place. Scotland are in 59th place, behind the likes of Panama and Venezuela.
Since Martin O'Neill has taken charge of the Republic of Ireland, the team have moved up almost 30 places in the World Rankings. When O'Neill was named manager in 2013, the team were in 60th position behind Burkina Faso, Uzbekistan and Albania.