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American Politics

A guide to statistics, data, and documentary sources in American politics available to researchers at Princeton University.

Top Sources

Campaign Finance


Earmarks and Pork

After Republicans took control of the House and Senate, they placed a moratorium on earmarks in legislation, which appears to have been adhered to since 2011. Some sources for data from previous years is below.

Government Spending and Contracts

Congressional Financial Disclosure

Politics Librarian