PolicyEngine 2025 Year in Review

An interactive year-in-review for PolicyEngine's 2025 achievements, featuring US and UK policy analysis highlights.

Live Preview

bun install
bun dev

Then open http://localhost:5173

Features

• US/UK Toggle: Switch between country-specific content with animated transitions
• Animated Statistics: Counter animations for key metrics
• Visual Highlights: Images and GIFs from major launches and tools
• Interactive Timeline: 2025 blog posts and milestones
• GitHub Contribution Grid: Visual representation of open-source activity
• Responsive Design: Works on mobile and desktop

2025 Highlights

United States

• 2,307 commits to policyengine-us
• PolicyEngine 2.0 - Complete app rebuild
• OBBBA Household Explorer - Interactive tool for 20,000 households
• ACA Premium Calculator - Compare subsidy schedules
• SALTernative - SALT deduction reform simulator
• NBER TAXSIM Integration - Partnership with National Bureau of Economic Research
• NSF POSE Grant - National Science Foundation funding
• DC Office Launch - New office at Open Gov Hub

United Kingdom

• 538 commits to policyengine-uk
• Autumn Budget 2025 Dashboard - 9 provision interactive explorer
• PolicyEngine 2.0 Launch Event - Central Hall Westminster showcase
• Reform UK Manifesto Analysis
• Wealth Decile Breakdown - New distributional analysis capability

Tech Stack

• React 19
• Vite 7
• CSS with custom properties
• Google Fonts (Playfair Display + Inter)

Design

Built following PolicyEngine brand guidelines:

• Primary Color: Teal #319795
• Typography: Inter (body) + Playfair Display (headlines)
• Dark theme with teal accents
• Animated counters and scroll effects

Deployment

Build for production:

bun run build

Deploy the dist/ folder to any static hosting (GitHub Pages, Vercel, Netlify).