Abstract
The relevance of the topic is due to the need to study contemporary religious processes in Ukraine, since the policy of state-church relations largely requires the adjustment and development of their more effective models based on pan-European practice. In addition, the social orientation of the Roman Catholic Church leads to reflections on the role and place of Orthodoxy in the modern world, the advisability of preserving its conservative traditionalist foundations. In this context, the experience of the RCC's missionary activity is not only scientifically-cognitive, but also clearly practical