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SimPaths

Open-source dynamic microsimulation for life course modelling — projecting careers, families, health, and finances across populations.

✓ Open Source 🌍 5 Countries ☕ Java / JAS-mine 🔬 UKRI HealthMod

About SimPaths

SimPaths builds upon JAS-mine, an open-source Java platform designed for discrete-event simulations. Models currently exist for the UK, Greece, Hungary, Italy, and Poland.

🇬🇧 United Kingdom 🇬🇷 Greece 🇭🇺 Hungary 🇮🇹 Italy 🇵🇱 Poland

Explore the Documentation

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Overview

What SimPaths models and why — architecture, modules, parameterisation, and country variants.

Explore Overview →

Getting Started

Set up your environment, load input data, and run your first simulation in minutes.

Get Started →

User Guide

Single and multi-run simulations, the graphical interface, parameter editing, and uncertainty analysis.

View User Guide →

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Developer Guide

JAS-mine architecture, SimPaths internals, and step-by-step how-to guides for extending the model.

Developer Guide →

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JAS-mine Reference

Statistical packages, alignment and matching libraries, regression tools, and database utilities.

JAS-mine Reference →

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Research & Validation

Published papers, working papers, and model validation results.

Research →


New to SimPaths?

Start with the Overview to understand what the model does, then follow the Getting Started guide to run your first simulation.

For papers using SimPaths, see the Research page. For European country variants, visit the SimPathsEU repository.