from CARA, the Center of Research in the Apostolate at Georgetown University:
between 2005 and 2007:
Number of sisters dropped over 7%.
Number of priests dropped 3%.
Number of brothers dropped 8%.
Number of parishes dropped by 357.
Priest-less parishes stayed about the same, probably due to mergers.
Total Catholic population dropped by 400,000(listed as .4 million).
Statistics for the OSB Cassianese congregation which includes most of the largest Benedictine orders of men in the US:
http://www.osb.org/amcass/statistics.html, which also includes many declines. These stats are compiled every year.
