Since Japan assumed the G20 presidency on December 1, 2018, this year's G20 summit will be held in Japan's port city of Osaka from June 28 to 29. So what is the G20? Who are they? What has it achieved? Here are some essential questions:
G20 quiz to test your summit knowledge
This quiz has 10 questions about the G20. Take the quiz to find out how much you know!