In 2017, the rate of Catholics in Poland participating in Sunday Eucharist increased by 1.6 percent in comparison to 2016. The rate of Catholics receiving Holy Communion increased by 1% percent. This means that approximately half a million more Catholics in Poland regularly participated in Holy Masses and around 300,000 more people received Holy Communion – according to the latest research of the Institute for Catholic Church Statistics presented on January 8, 2019.
As informed by Fr. Wojciech Sadłoń, director of the Institute for Catholic Church Statistics, between 2016 and 2017, the rate of dominicantes increased significantly (by 1.6  percent) and communicantes (by 1 percent).

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