The proportion of unionized staff members (excluding student employees) grew from 55 percent in 1990 to 61 percent in 2000, and fell back to 56 percent in 2010.¹

The increasing professionalization of the UC workforce, leading to reductions in clerical and support staff, explains much of the decline in the proportion of unionized staff between 2000 and 2010.

¹ Since student staff employees are not eligible for unionization, the proportion of unionized staff is calculated based on nonstudent employees.

You may view or download a table of the raw data used to generate these charts in CSV files, which can be opened in spreadsheet programs such as Microsoft Excel or OpenOffice.

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