Australia and the world needs a focused and effective G20. But the forum is in danger of losing its way. This Analysis identifies nine key lessons from the G20’s history that can help relaunch it. This should be Australia’s goal when it chairs the G20 in 2014.Key findings:Drawing on nine lessons from previous summits on what works and what does not, the G20 needs an explicit multi-tracked approach. A wide range of issues should continue to be advanced in the G20, but leaders should focus on a few key issues where they can have an impact. Let the leaders lead. Given the vulnerabilities confronting the global economy, the priority should be on achieving sustainable economic and jobs growth