Last year the Charity Commission opened cases and inquiries into 379 religious charities, of which 153 were Christian and 85 were Muslim, according to figures published today.
These figures, covering open cases for the year to 31 March 2015, include both operational compliance cases and statutory inquiries. Operational compliance cases are a less serious and far more common form of investigation.
These figures mean that approximately one in three charities involved in an investigation had religious activities as one of their purposes.
The Commission opened 1,162 compliance cases and 96 stautory inquries throughout the year.
The Commission opened 77 compliance cases into Muslim charities and another eight inquiries. It opened 143 compliance cases into Christian charities, and another ten inquiries.
These figures for "religious activities" include class inquiries into charities which have failed to file accounts.
Charities can have numerous classifications. The classification of religious activities includes charities that say that they do some form of religious activities, but it is not necessarily a main or majority activity.
No figures on total number of Muslim charities
The Commission does not provide total figures for the number of Christian and Muslim charities it regulates, although its register lists roughly 30,000 charities involved in religious activities, most of which are Christian.
Independent analysis by the Muslim Charities Forum has suggested there are around 2,000 charities which classify themselves as Muslim, but this includes unregistered groups. Not is it certain that they all list Muslim religious activities as one of their purposes.
In November last year the Charity Commission faced pressure after think tank Claystone accused it of an anti-Muslim bias because of the number of investigations it opened into Muslim charities.
Educational charities most likely to be scrutinised
The statistics revealed that more statutory inquiries and operational case reports were opened into charities that classified themselves as being for educational or training purposed than any other.
Many charities fall into more than one classification. The Commission lists 17 different classifications for charities' purposes.
Of the classifications listed for the charities in operational compliance cases, the highest figure – 763 out of 4,046 or 18.9 per cent – were also for charities which classify themselves as for education or training purposes.
Other classifications for charities featuring in operational compliance cases were for the prevention or relief of poverty, which had 9.8 per cent of the total figure, religious activities (at 8.3 per cent), and advancement of health and saving lives (at 8.1 per cent).
The regulators data on the number of operational compliance case open can be seen here, and the number of statutory inquiries can be seen here.
This story was amended following clarification from the Charity Commission that figures were based on the 1,162 compliance cases opened in the year.
It was further amended to make it clear that there are many fewer Muslim charities on the register than Christian ones.