In 1945 Seventh-day Adventism in Metropolitan New York was divided administratively into two conferences, one of which had an almost completely Caucasian membership, the other Afro-American. Both groups grew substantially during the following twenty-five years, but this growth was accompanied by the beginning of a flow of immigrants who had become Adventists as a result of missionary activity in their homelands in the developing world. Since 1970, the influx of immigrants – and of conversions among their non-Adventist peers – has burgeoned, while American-born members, both black and white, have declined sharply in total number and precipitously as a proportion of the total. The data …