The significance of the G20 summit in international politics lies in its role as a forum for major economies to discuss and coordinate responses to global economic challenges. Comprising 19 countries and the European Union, the G20 addresses issues like trade, finance, and climate change. The summit facilitates dialogue among leaders, fostering cooperation and consensus on pressing global matters. As economic interdependence increases, the G20 becomes vital for enhancing global governance and ensuring stability in international relations.