Brazil maintained the top spot it has held since July 2002 a month after it won its record fifth World Cup.
The next three teams also were unchanged - Czech Republic Netherlands and Argentina. France shared fifth with Spain.
Mexico which was tied for fifth last month dropped into a tie for seventh with the United States. England remained ninth ahead of Portugal.
The next 10 places were almost the same: Turkey was No. 11 followed by Italy Denmark Sweden Japan Greece Germany Uruguay Iran and Croatia. Only Germany changed places dropping to 17th from a tie for 16th.
Among teams in the top 20 only Turkey Denmark European champion Greece and Uruguay failed to qualify for the 32-nation World Cup which begins in June 9 in Germany.
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