The article explores the enduring relevance of John Maynard Keynes' economic theories in the modern world. It delves into various aspects of Keynesian economics, such as global governance, unemployment, wage and prices, money management, and more. The researchers analyze how Keynes' ideas can help us understand and address current economic challenges. Key findings include the importance of government intervention in stabilizing economies, the impact of financial constraints on macroeconomic policies, and the legacy of Keynes in developing countries. Overall, the article highlights the ongoing significance of Keynesianism in shaping economic policies and addressing global issues.