Monetary policy is a vital tool used by central banks to regulate economic stability and growth. In a global context, the impact of monetary policy is not only limited to certain countries, but also has a wide reach, affecting the world economy as a whole. One of the main impacts of monetary policy is on interest rates. When central banks lower interest rates, loans become cheaper, encouraging individuals and companies to invest. In the short term, this can increase consumption and aggregate demand, contributing to economic growth. Conversely, rising interest rates have the potential to slow economic growth because higher borrowing costs can reduce consumer spending and business investment. In addition, monetary policies such as quantitative easing (QE) focus on purchasing financial assets by central banks. This policy aims to increase liquidity in the market and encourage economic growth. When the central bank buys bonds, interest rates can also decrease, facilitating cheaper financing for the government and private sector. However, there is a risk that this policy could lead to higher inflation if not managed well. A controlled inflation rate contributes to economic stability. Central banks usually set inflation targets to maintain the value of the currency and people’s purchasing power. Inflation instability can affect investment expectations as well as fiscal policy, having implications for long-term economic growth. In developing countries, inflation fluctuations can have a more negative impact, as this uncertainty discourages foreign investment. The impact of monetary policy is also visible in international capital flows. When certain countries have low interest rates, capital will seek higher returns in other countries. This diversion of capital could result in a strengthening of the local currency, which in turn could impact export competitiveness. A strong exchange rate can make local goods and services more expensive on international markets, potentially hurting the export sector. The influence of globalization has strengthened the relationship between monetary policy and economic growth. A monetary policy in one country can have widespread ripple effects, affecting other countries through trade and investment. When a large economy like the United States changes its monetary policy, other countries often follow suit to maintain their economic stability, creating greater dependence on global markets. Finally, the monetary policy response to the economic crisis also showed a significant impact on growth. In the era of the COVID-19 pandemic, many central banks have adopted aggressive policies to stimulate the economy, creating the necessary liquidity to mitigate the negative impact of the crisis. These policies contributed to a rapid recovery in some countries, although challenges such as rising debt and market uncertainty remain. A balance between stimulus and restructuring is needed to ensure sustainable growth in the future. The impact of monetary policy on global economic growth cannot be ignored. Aspects such as interest rates, inflation, capital flows, and responses to crises create complexities that must be understood to analyze the global economy effectively.