As potential future legislative and regulatory battles beckon, a two-chart look at lobbying by three prominent groups in particular.
Annual total federal lobbying spending by Council on Foundations, Independent Sector, and Philanthropy Roundtable, 2004-2023

Source: OpenSecrets, from required reports filed with Congress
Note: Unadjusted for inflation
***
As percentage of total expenses, annual total federal lobbying spending by Council on Foundations, Independent Sector, and Philanthropy Roundtable, 2011-2022

Sources: OpenSecrets, from required reports filed with Congress, and Nonprofit Explorer, from required forms filed with IRS (for fiscal years)
Note: Unadjusted for inflation