2025 G20 Summit Held In Which Country. The world' largest economies grouped in the g20 will hold their annual heads of state or government summit next year in rio de janeiro, state governor claudio castro said. Over the course of a year, more than 120.

Leaders from the world’s twenty largest economies (g20) are gathering in rio de janeiro, brazil this week to discuss the world’s most pressing challenges. The 2025 group of twenty (g20) leaders’ summit convened in rio de janeiro, brazil, earlier this week as the world grapples with war, rising protectionism, and worsening climate change.