Explanation:

• Saudi Arabia became the first Arab nation to take over the G20 Presidency on December 1, 2019.
• It has taken over from Japan and it will host the G20 Summit in its capital, Riyadh on November 21 and 22, 2020.
• The theme of Summit- "Realising Opportunities of the 21st Century for All".
• The three key aims of the G20 Presidency, 2020 are: ?
• Empowering People by creating the conditions in which all people mainly women and youth can live, work and thrive.
• Safeguarding the Planet by fostering collective efforts to protect our global common-pool resources.
• Shaping New Frontiers by adopting long-term and bold strategies to share the benefits of innovation and technological advancement.?
• The G20 is an informal group of 19 countries and the European Union, with representatives of the International Monetary Fund and the World Bank.
• The G20 operates as a forum and not as an organisation. Therefore, it does not have any permanent secretariat or management and administrative structure.
• The members of the G20 are Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Republic of Korea, Mexico, Russia, Saudi Arabia, South Africa, Turkey, the United Kingdom, the United States, and the European Union.
• One nation holds the Chair every year, known as G20 Presidency. Argentina chaired the G20 summit of 2018 and Japan for 2019.