🇵🇬 BudgetViz: 2026 PNG National Budget Dashboard

A modern, interactive visualization platform for the Papua New Guinea 2026 National Budget Strategy.

Purpose

BudgetViz is designed to bridge the gap between complex fiscal policy documents and public understanding. It provides a transparent, intuitive interface to explore how Papua New Guinea plans to allocate its resources for the 2026 fiscal year, focusing on the "Security with Growth" theme.

Key Features

• Executive Summary: Real-time KPI cards for Total Expenditure, Revenue, Deficit % of GDP, and Debt-to-GDP ratios.
• Interactive Drill-downs:
  • Expenditure by Sector: Multi-level pie charts showing major sectors (Health, Education, Infrastructure) with the ability to drill down into specific agencies and the "Other Sectors" category.
  • Revenue Generation: Visual breakdown of internal revenue streams, including GST, PAYE, and Mining & Petroleum dividends.
• Provincial Equity Map: A Leaflet-powered interactive map of PNG's 22 provinces, displaying per-capita allocation and district-level funding (DSIP).
• Data Explorer: A powerful searching and filtering tool to audit specific budget codes and flagship projects.
• Budget Comparison: Side-by-side analysis of budget items across 2024 (Actual), 2025 (Estimate), and 2026 (Projection).
• AI-Powered Insights: Integration with Google Gemini for automated budget commentary and strategy analysis.

Tech Stack

• Frontend: React 18 with Vite
• Language: TypeScript
• Styling: Tailwind CSS for modern, responsive UI
• Visualization: Recharts (Interactive Charts) & Leaflet (Geospatial Mapping)
• Icons: Lucide React
• AI Integration: Google Generative AI (Gemini Flash)
• State Management: React Hooks (useMemo, useEffect, useState)

Data Sources

• PNG Department of Treasury: 2026 National Budget Strategy Paper (Volume 1 & 2).
• KPMG PNG: 2026 Budget Commentary and Economic Performance Analysis.
• National Statistical Office (NSO): Provincial population projections for per-capita visualizations.

Running Locally

Prerequisites: Node.js (v18+)

1. Clone the repository:

   git clone [repository-url]
   cd budgetviz

2. Install dependencies:

   npm install

3. Configure Environment: Create a .env file or set the following variable:

   • VITE_GEMINI_API_KEY: Your Google AI Studio API Key.

4. Start the development server:

   npm run dev

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Disclaimer: This dashboard is a visualization tool based on publicly available strategy papers and is not an official government publication.