A total of forty-two non-Catholic church groups existed in Poland in 1989, accounting for about 2 percent of the population. In the communist era, the legal status of these communities was severely restricted. In March 1988, the Polish Ecumenical Council, which represented the major non-Catholic groups, began participating in a commission with government representatives to restore unrestricted freedom of religion. The 1989 law on freedom of conscience and creed redefined the state's relationship to all religions, conferring equal status on the Roman Catholic and the minority churches.

Data as of October 1992