The number of religion-related lobbying groups in Washington has grown five-fold in the past 40 years, with their spending reaching almost $400 million annually, the Pew Research Center’s Forum on Religion & Public Life latest study showed. It identified 212 groups, up from 158 a decade ago and 40 in 1970.

Their collective budgets for lobbing efforts in Washington were estimated at $390 million a year. For 131 of the groups for which data could be obtained, median spending was $890,000 in 2009, down from $970,000 the year before.

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