About 39 Catholic priests have been killed and 30 abducted since 2012.
Also, 17 Catechists and over 3,500 catholic faithful were assassinated during the period.
The Department of Church and Society, an organ of the Catholic Secretariat of Nigeria, disclosed this on Wednesday.
While protesting against the killing of Rev. Fr. Isaac Achi by suspected bandits in Kafin-Koro in Minna, Niger State, the organisation said there have been 47 recorded attacks on the Catholic Church in Nigeria.
The Director (Department of Church and Society and Executive Director, Caritas Nigeria, Rev. Fr. Uchechukwu Obodoechina, who led others to a press conference in Abuja, said the killing of Achi, other priests and Nigerians across religious divides was unacceptable.