The A3 Project Charter is a problem-solving and reporting tool developed by Toyota. It uses a single sheet of A3 paper (29.7 x 42 cm) to summarise a problem, analysis, and solution in a clear and structured way. The goal is to make communication simple, visual, and effective.
The A3 approach comes from the Toyota Production System and Lean thinking. Limiting the space to one page forces teams to focus only on what really matters. Over time, the A3 Project Charter became a global standard in Lean for project planning and problem-solving.
An A3 Project Charter typically includes:
In manufacturing, an A3 Project Charter might address recurring machine breakdowns. In healthcare, it could map and improve patient admission flow. In offices, it may guide projects to reduce errors in reporting.
The A3 Project Charter improves clarity, discipline, and teamwork. By fitting everything onto one page, it keeps focus on the essentials and helps teams solve problems faster. It also promotes learning and continuous improvement across the organisation.