From Associated Content:
"August 2010 was the next designated time for Coetus Internationalis Ministrantium to organize its famous event, affectionately nicknamed the International Pilgrimage of Altar Servers, which happens every five years.
The Vatican's L'Osservatore Romano estimated in the weekly news release for August 4, 2010 that over 53,000 altar servers gathered in St. Peter's Square to meet and listen to Pope Benedict XVI. This year was unlike previous events. This year, the girls outnumbered the boys 60 to 40..."