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Dev tools · September 26, 2021

PolicyEngine lets you simulate reforms to the tax and benefit system

Free, open-source tools to understand tax and benefit policies. Calculate your taxes and benefits, or analyze policy reforms.

PolicyEngine lets you simulate reforms to the tax and benefit system launched on September 26, 2021 with 6 votes, #1,463 of 2,941 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 5 years on.

Visit uk.policyengine.org ↗Alternatives

What it does

Free, open-source tax and benefit analysis. Model policy reforms across the UK. Compare a couple's taxes and benefits when living together against living in separate households, modelled with PolicyEngine UK. Estimate the cost and household impact of 15 free childcare hours from 9 months plus a 75% subsidy replacing Tax-Free Childcare, modelled with PolicyEngine UK. Who bears the AI shock? Distributional and fiscal incidence in the UK PolicyEngine traces AI employment, wage and capital shocks through the UK tax-benefit system, estimating the budgetary and distributional impacts across incidence scenarios. Estimate the cost and household impact of capping single bus fares at £2 in England…from uk.policyengine.org

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