PolicyEngine US is a microsimulation model of the US state and federal tax and benefit system. It is built and primarily supported by PolicyEngine. Other contributors include:

• OpenFisca, which developed the microsimulation framework upon which PolicyEngine is based
• The Center for Growth and Opportunity, which funded the development of state income tax models in Maryland, Massachusetts, and Washington state
• End Poverty Make Trillions, which has provided unrestricted grant funding
• Innovation Network for Communities, which funded the development of population-level cliff analysis

To install, run pip install policyengine-us.

To contribute, please see the wiki.

See our documentation with interactive notebooks at https://policyengine.github.io/policyengine-us.