Corporate inclusive worship
The second type is corporate inclusive worship, which probably has been numerically the largest throughout human history. Members of a society are, in virtue of birth, included as members of the worshipping community (e.g., the Lutheran churches of Scandinavia) or at least potential members. Though there may be rites of entrance that are to be observed, these frequently become no more than conventional acts, placing few demands upon the initiate. The ancient Greek and Roman city-states observed acts of worship that were open to the entire populace, since they were a fixed part of the ceremonial and political life of the state. The sanctuaries and ceremonies often were cared for at state expense, and the leaders of worship were officials of the state.
In American Christianity, many churches engage in such corporate inclusive worship, even though they may have their fixed doctrines and requirements for membership. The Eucharist (also called Holy Communion or the Lord’s Supper) often is open to all who wish to communicate (partake). Some congregations have been organized as community churches; i.e., not belonging to any of the recognized denominations; in these, worship is, of course, inclusive. Participation in worship is generally open to those who wish to take part, irrespective of creed or religious commitment. Members of one church may become members of another and take active part in the life of the new congregation, including its sacramental life, at will. Many of the distinctions marking off the large number of denominations or churches from one another have lost most of their significance.
Participation in worship also is much less restricted than formerly in the Roman Catholic Church, especially as a result of the “opening to the world” that followed the Second Vatican Council (1962–65). The same inclusiveness is evident in other religions, especially with regard to participation in worship. Non-Jews in many areas are welcome to participate in Jewish worship even though they may not wish to become converts to Judaism. Worship in the temples and shrines of Hinduism or Buddhism or in Shintō shrines in Japan is not restricted to adherents of the religion. In general, the major religions of the world welcome nonmembers to their public acts of worship; special rites or ceremonies, however, may be reserved to members or initiates.