The official published membership statistics, such as those mentioned above, include only those who submit reports for their personal ministry; official statistics do not include in<answer>active</answer> and disfellowshipped individuals or others who might attend their meetings. As a result, only about half of those who self-identified as Jehovah's Witnesses in independent demographic studies are considered <answer>active</answer> by the faith itself. The 2008 US Pew Forum on Religion & Public Life survey found a low retention rate among members of the religion: about 37% of people raised in the religion continued to identify themselves as Jehovah's Witnesses.
Only about half all Jehovah's Witnesses are actually considered what in the faith itself?
active