Collection: Money in politics
Description: Michigan expenditures data was obtained from the Michigan Secretary of State's data download page. Data is available from 2008 on and has been updated through 2019.
Each record is a single campaign expenditure made to an outside vendor for goods or services. The full data files contain all original columns. New columns with normalized data are used for searches. Data processing was done using open-source software and is documented on the Accountability Project GitHub repository.