I googled this topic and this is the first thing that popped up: wayoflife.org/fbns/divorcedclergy.htm but it is from 1997 or so…
On another web page from same time frame:
Answer 2 – [from a denominational researcher]
Percent ever-divorced, of those ever-married, from a 1996 Presbyterian Panel (PCUSA) survey:
specialized clergy, 30%
On another website:
To illustrate the popular rhetoric Pastor Darrin Patrick from The Journey in St. Louis compiled this list of statistics from organizations like Focus on the Family and Barna Research:
• Fifteen hundred pastors leave the ministry each month due to moral failure, spiritual burnout, or contention in their churches.
• Fifty percent of pastors’ marriages will end in divorce.
• Eighty percent of pastors and eighty-four percent of their spouses feel unqualified and discouraged in their role as pastors.
• Fifty percent of pastors are so discouraged that they would leave the ministry if they could, but have no other way of making a living.
• Eighty percent of seminary and Bible school graduates who enter the ministry will leave the ministry within the first five years.
• Seventy percent of pastors constantly fight depression.