The American Alliance of Museums (AAM), the only organization representing the entire scope of the museum community, today released two groundbreaking reports revealing indisputable evidence that museums contribute more to the United States economy than previously thought and have widespread public support that transcends political affiliations and geographic locations.

http://aam-us.org/about-us/media-room/new-national-data-reveals-the-economic-impact-of-museums-is-more-than-double-previous-estimates