Though I’m interested in how trust in religious institutions like churches have suffered, this is simply part of a larger erosion of cultural trust in all institutions. Religious communities, though, are as a good an illustration of this as anything else.
… historian Martin Marty describes a “seismic shift” in religion. “From the birth of the republic until around 1965, as is well known, the churches now called mainline Protestant tended to grow with every census or survey,” Marty wrote. And then, the pews started to empty. The six largest Protestant denominations together lost 5.6 million members — a fifth to a third of their membership — between 1965 and 1990.
For more: Here.