OpenFiscaopenfisca-france@22.9.0

This model is created with OpenFisca, a free and open-source computation engine that makes law computable in a collaborative and transparent way.

Calculate and explore the legal and regulatory rules of France.

Search through the history and values of the currently modelled 2,045 law parameters and read the formula code that makes 1,938 variables computable.

Use the API to calculate them in any app.