Skip to main content

PolicyEngine US

codecov PyPI version Code style: ruff

For microsimulation, use policyengine.py. Society-wide microsimulation — population aggregates and distributional or budgetary impacts — is moving to the managed policyengine.py bundle, which pins certified, calibration-gated datasets. Direct microsimulation via policyengine-us (Microsimulation()) is deprecated and being migrated to policyengine.py. This package remains the home of the US tax-benefit rules and household-level calculations. Microsimulation results are estimates — inspect dataset calibration at https://calibration-diagnostics.vercel.app/populace.

PolicyEngine US is a microsimulation model of the US state and federal tax and benefit system.

PolicyEngine US supports Python 3.11 through 3.14 and requires pandas 3 or later. To install, run pip install policyengine-us.

This release requires spm-calculator>=1.0.0,<=1.0.0.post1 (the canonical SPM threshold API). Previously published country versions retain their original dependency metadata; when reproducing one of those versions, include the compatible calculator explicitly, for example:

uv pip install "policyengine-us==1.824.7" "spm-calculator==0.3.1"

To install PolicyEngine US as part of a certified PolicyEngine bundle, use the bundle installer published by policyengine, for example:

uvx --from policyengine policyengine bundle install --country us --venv .venv

Metadata

Release files for policyengine-us 2.41.4

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for policyengine-us 2.41.4
File Size Uploaded
policyengine_us-2.41.4.tar.gz 13.8 MB Details

Built distribution (wheel)

Table of built distributions (wheels) for policyengine-us 2.41.4
File Interpreter ABI Platform
policyengine_us-2.41.4-py3-none-any.whl Python 3 none any Details

Total release size: 31.3 MB

Release files / policyengine_us-2.41.4.tar.gz

Download URL policyengine_us-2.41.4.tar.gz
Size 13.8 MB
Tags Source
SHA-256 checksum
How to use checksums
204480a8bcf54f56e8623ff729899286e87ca887205d9eb78a3504fbf62b18aa
BLAKE2b-256 checksum
How to use checksums
01ee487f8e0fcdfc66b5418602913220f117d92fa9833a5a55fbd0f035dbcd2d
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/7.0.0 CPython/3.13.14

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 13, 2026.

Transparency log

Release files / policyengine_us-2.41.4-py3-none-any.whl

Download URL policyengine_us-2.41.4-py3-none-any.whl
Size 17.5 MB
Tags Python 3
SHA-256 checksum
How to use checksums
b04d47ed4933901129b910cf5f36e778d1a26140c645b70005c5f32961545795
BLAKE2b-256 checksum
How to use checksums
b8a3ad2dff8055cd7d15b8e1ed697b4b7e3bced97b00c9699df55d793d546afa
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via twine/7.0.0 CPython/3.13.14

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 13, 2026.

Transparency log

Release history Release notifications | RSS feed

2.49.4

2 release files

2.49.3

2 release files

2.49.2

2 release files

2.49.1

2 release files

2.49.0

2 release files

2.48.0

2 release files

2.47.0

2 release files

2.46.0

2 release files

2.45.1

2 release files

2.45.0

2 release files

2.44.0

2 release files

2.43.0

2 release files

2.42.7

1 release file

2.42.6

2 release files

2.42.5

2 release files

2.42.4

2 release files

This release

2.41.4 This release

2 release files

2.41.3

2 release files

2.41.2

2 release files

2.41.1

2 release files

2.41.0

2 release files

2.40.1

2 release files

2.40.0

2 release files

2.39.1

2 release files

2.38.9

2 release files

2.38.8

2 release files

2.38.7

2 release files

2.38.6

2 release files

2.38.5

2 release files

2.18.2

2 release files

2.18.1

2 release files

2.18.0

2 release files

2.17.3

2 release files

2.17.2

2 release files

2.17.1

2 release files

2.17.0

2 release files

2.16.0

2 release files

2.15.9

2 release files

2.15.8

2 release files

2.15.7

2 release files

2.15.6

2 release files

2.15.5

2 release files

2.15.4

2 release files

2.15.3

2 release files

2.15.2

2 release files

2.15.1

2 release files

2.15.0

2 release files

2.14.1

2 release files

2.14.0

2 release files

2.13.0

2 release files

2.12.0

2 release files

2.11.4

2 release files

2.11.3

2 release files

2.11.2

2 release files

2.11.1

2 release files

2.11.0

2 release files

2.10.1

2 release files

2.10.0

2 release files

2.9.0

2 release files

2.8.2

2 release files

2.8.1

2 release files

2.8.0

2 release files

2.7.0

2 release files

2.6.21

2 release files

2.6.17

2 release files

2.6.16

2 release files

2.6.15

2 release files

2.6.14

2 release files

2.6.13

2 release files

2.6.10

2 release files

2.6.9

2 release files

2.6.8

2 release files

2.6.7

2 release files

2.6.6

2 release files

2.6.5

2 release files

2.6.4

2 release files

2.6.3

2 release files

2.6.2

2 release files

2.6.1

2 release files

2.6.0

2 release files

2.5.4

2 release files

2.5.3

2 release files

2.5.2

2 release files

2.5.1

2 release files

2.5.0

2 release files

2.4.4

2 release files

2.4.3

2 release files

2.4.2

2 release files

2.4.1

2 release files

2.4.0

2 release files

2.3.2

2 release files

2.3.1

2 release files

2.3.0

2 release files

2.2.1

2 release files

2.2.0

2 release files

2.1.0

2 release files

2.0.6

2 release files

2.0.5

2 release files

2.0.4

2 release files

2.0.3

2 release files

2.0.2

2 release files

2.0.1

2 release files

2.0.0

2 release files

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page