open connecticut Comptroller Kevin Lembo
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The state receives revenue to fund state services, programs and expenses from a variety of sources. The largest sources of state revenue are the Personal Income Tax, the Sales & Use Tax, Federal Funds and Business Taxes.

Below you will find information about the source of state revenues, including monthly reports from the Department of Revenue Services (DRS) on year-over-year tax collections for each major tax category, as well as spreadsheets developed by DRS that detail state income tax collections by income bracket and by town.

Do-it-Yourself state revenue impact calculator