---
title: "G20 Leaders' Summit — Definition & Meaning | Model Diplomat"
description: "The G20 Leaders' Summit is an annual meeting of the world's 20 major economies to coordinate global economic policy, crucial for international relations."
url: "https://modeldiplomat.com/learn/glossary/g20-leaders-summit"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The G20 Leaders' Summit is the annual meeting of heads of state and government of the world's 20 major economies to coordinate global economic and financial policy.
- When and why was the G20 elevated to the leaders' level?
- How many members does the G20 have, and what changed in 2023?
- What is the Troika in the G20 context?
- Are G20 Leaders' Declarations legally binding?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

The G20 Leaders' Summit is the annual meeting of heads of state and government of the world's 20 major economies to coordinate global economic and financial policy.

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In September 2023, India hosted the G20 Leaders' Summit in New Delhi, where Prime Minister Narendra Modi announced the admission of the African Union as a permanent member.

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