Abstract: This article examined the problem of the proliferation of Churches and moral decadence in Nigeria with a focus on Pentecostal ministries, from the humanistic point of view. The study also looks at the socio-economic and religious implications of this proliferation to national development in contemporary Nigeria. The study engaged majorly secondary data in an attempt to study this phenomenon and came out with factors responsible for the escalation of moral decadence in spite of the escalation of Churches. The study ends with concluding remarks and also proffers solutions and way forward.