PolicyEngine/policyengine-us

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The PolicyEngine US Python package contains a rules engine of the US tax-benefit system, and microdata generation for microsimulation analysis.

Stars: 163
Forks: 213
Open beginner issues: 17
Indexed issues: 747
Avg merge: 3d 4h
Merged PRs (30d): 92

Dominant language: Python
License: AGPL-3.0
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Open All

741 open issues indexed

Model working-disabled Medicaid buy-in premiums with state-specific schedules Open

enhancement medicaid

PolicyEngine/policyengine-us#8513 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model New Hampshire MEAD and MOAD as separate Medicaid buy-in pathways Open

enhancement medicaid

PolicyEngine/policyengine-us#8514 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model Massachusetts CommonHealth separately from the shared working-disabled buy-in schema Open

enhancement medicaid

PolicyEngine/policyengine-us#8516 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
California CCHIP eligibility varies by county Open

PolicyEngine/policyengine-us#8522 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 16, 2026
Calibrate CHIP take-up before estimating premium collections Open

PolicyEngine/policyengine-us#8523 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Audit stale health parameters and rating-area data exposed through metadata/API Open

PolicyEngine/policyengine-us#8525 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
South Carolina SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8540 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Rhode Island SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8542 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Pennsylvania SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8568 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model optional Medicaid community engagement short-term hardship exceptions Open

PolicyEngine/policyengine-us#8575 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model Medicaid community engagement verification and review-period mechanics Open

PolicyEngine/policyengine-us#8576 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Ohio Retirement Income Credit (R.C. §5747.055) not modeled Open

PolicyEngine/policyengine-us#8587 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Make Medicaid cost allocation compatible with Populace reweighting Open

PolicyEngine/policyengine-us#8669 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Separate reported health coverage from modeled enrollment in ACA coverage variables Open

PolicyEngine/policyengine-us#8670 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model ACA ESI offer and affordability with richer employer coverage inputs Open

PolicyEngine/policyengine-us#8671 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add diagnostics for defaulted health-status inputs used in Medicaid eligibility Open

PolicyEngine/policyengine-us#8678 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Deduplicate Nebraska AABD program catalog surface Open

PolicyEngine/policyengine-us#8686 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Colorado CCAP entry eligibility should include the CCDF asset limit Open

PolicyEngine/policyengine-us#8687 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Colorado CCAP SMI eligibility should include income equal to 85% SMI Open

PolicyEngine/policyengine-us#8688 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Oklahoma SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8689 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
North Carolina SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8695 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement pre-2022 New Mexico CCAP copayment formula (8.15.2.13.B NMAC) Open

PolicyEngine/policyengine-us#8729 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model New Jersey Senior Freeze benefit when source data are available Open

PolicyEngine/policyengine-us#8740 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Implement Colorado EITC branch for missing valid employment SSNs Open

PolicyEngine/policyengine-us#8758 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Model section 1402(b) nonresident-alien exceptions for self-employment income Open

tax

PolicyEngine/policyengine-us#8759 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
New Jersey SSI 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8764 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
New York SSI 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8765 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Nevada SSI 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8767 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Orange County General Relief: audit findings vs. GR Regulations Manual and Handbook Open

PolicyEngine/policyengine-us#8779 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Texas Section 8 enhancement Open

PolicyEngine/policyengine-us#8783 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Kansas Section 8 enhancement Open

PolicyEngine/policyengine-us#8784 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Migrate Connecticut county geography to Census planning regions (FY2026 FMR gap) Open

PolicyEngine/policyengine-us#8803 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Montana SSI 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8812 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
SNAP OBBBA work requirements: close state and local rules gaps Open

PolicyEngine/policyengine-us#8820 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add Indiana M.E.D. Works (Medicaid buy-in for workers with disabilities) Open

PolicyEngine/policyengine-us#8847 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add Nevada TANF Employment Retention Payment (A-660.12 transitional benefit) Open

PolicyEngine/policyengine-us#8926 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Encode statutory IRMAA threshold indexing for years after 2026 Open

enhancement

PolicyEngine/policyengine-us#8929 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
HUD adjusted income is pre-HOTMA: deduction amounts, 10% medical threshold, dependent definition, and missing disability assistance deduction (24 CFR 5.611) Open

PolicyEngine/policyengine-us#8939 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
NYC school tax credit rate reduction should preserve rounded second-band base amounts Open

PolicyEngine/policyengine-us#8947 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Fix remaining state CDCC defects from the § 21 coupling audit (WI/NY/HI gating, WI rate vintage, AR refundability, VT 2022) Open

PolicyEngine/policyengine-us#8948 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Louisiana SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8949 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
CA CARE/FERA and LA EZ-SAVE ignore whether the household pays its own utilities (customer of record) Open

PolicyEngine/policyengine-us#8962 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 16, 2026
SNAP ABAWD: model time-limit accrual, geographic waivers, and discretionary exemptions Open

PolicyEngine/policyengine-us#8967 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
SNAP work requirements: complete sanction modeling semantics Open

PolicyEngine/policyengine-us#8968 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Kansas SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8973 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Iowa SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8974 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Key receipt checks on calculated benefits: cleanup plan after the reported-input decision Open

PolicyEngine/policyengine-us#8979 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Indiana SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8983 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Idaho SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8985 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Hawaii SSP 2017, 2018, 2019 Open

PolicyEngine/policyengine-us#8986 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

PolicyEngine/policyengine-us

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