International trade refers to the exchange of goods and services between countries in the world. Its existence is very important because it can stimulate economic growth, create jobs and increase consumer access to various products. In a global context, the impact of international trade is very broad and complex. One of the main positive impacts of international trade is efficiency in production. Countries can focus on their comparative advantages, namely producing the goods and services they obtain at low costs. For example, countries with tropical climates may be more efficient in producing agricultural products, while industrially developed countries may produce high-tech goods. Thus, this specialization creates efficiencies that bring economic benefits to all parties involved. Additionally, international trade encourages innovation and technology transfer. As companies compete in international markets, they are forced to update their technology and production methods to remain competitive. These flows of information and technology are sometimes integrated in the form of foreign direct investment (FDI), where multinational companies set up factories or branches in other countries, bringing with them knowledge and competencies. However, the impact of international trade can have a negative side. One of them is the impact on domestic employment. Countries that are unable to compete effectively may experience unemployment. Certain sectors, such as manufacturing, could suffer from a shift in production to lower-cost countries. This often creates social and political tensions, because people feel threatened by the negative impacts of globalization. The influence of international trade is also visible in aspects of welfare and income distribution. Although trade can increase overall economic growth, the benefits are not always shared equally across the population. The range of economic inequality could widen, with some groups making significant gains, while others remain below the poverty line. Apart from that, the existence of protectionist policies from several countries can also disrupt the balance in international trade. High tariffs and import quotas can limit market access for other countries, causing increased costs of goods and reduced competitiveness. These trade tensions could lead to a trade war, which in turn could potentially damage global economic growth. International trade also contributes to environmental issues. Increasing trade volumes can produce greenhouse gas emissions due to the transportation of goods, as well as the exploitation of natural resources. Therefore, it is important to implement sustainable policies, such as environmentally friendly trading practices, so that negative impacts on the planet can be minimized. Thus, international trade plays an important role in shaping global economic dynamics. The resulting efficiency, innovation and growth must be balanced with attention to social and environmental impacts. Through wise regulations and cooperation between countries, the benefits of international trade can be felt equally, making a positive contribution to sustainable economic development throughout the world.