–2012 Table of Statistics of the Episcopal Church
–Domestic Fast Facts: 2012
–Episcopal Domestic Fast Facts Trends: 2009-2013
–Statistical Totals for the Episcopal Church by Province: 2012-2013
–Statistical Totals for the Episcopal Church by Province and Diocese: 2012-2013
–Membership and Attendance Totals for the Episcopal Church: 2013
The most significant measure remains average Sunday attendance, and you can see the Ten Year % Change in ASA has gone from -23% in 2011 to -24% in 2012. This does not reflect the completely fallacious way in which the diocese of South Carolina’s majority membership is still included in these figures; if it were the decline would be even greater–KSH.
You can find all of the links at the bottom of this page and you should examine them all.