Founded in 1946 to promote interchurch cooperation, the Polish Ecumenical Council includes nearly all churches except the Polish Catholic Church. In 1989 member churches included the Orthodox, Lutheran, Methodist, Baptist, Reformed (Calvinist), Old Catholic, and Evangelical churches of Poland. Cooperation with the Polish Catholic Church began in 1974 when the council established a Combined Ecumenical Commission to deal with the analogous ecumenical commission of the Polish Catholic Bishops' Conference. In 1977 the council named a subcommittee for discussion of individual theological questions by 1980 bilateral dialogs had begun among members sharing similar doctrine. Given Poland's history of religious tolerance, the restoration of religious freedom in 1989 was expected to expand the tentative ecumenical contacts achieved during the communist era.

Data as of October 1992