World Plague: Social and Economic Impact in Various Countries World outbreaks, such as COVID-19, have had a broad and deep impact on various aspects of life. Socially, many countries are experiencing major changes in societal interactions. Physical restrictions and lockdown policies have forced people to adapt to new ways of communicating and working. For example, use of video conferencing platforms such as Zoom and Microsoft Teams is surging, changing the way we do business and maintain social connections. Teaching and learning activities have also shifted to an online system, forcing schools and universities to explore new teaching methods. The global economy has also been seriously impacted. The tourism sector, which is the backbone of the economy in many countries, has experienced a dramatic decline. Countries such as Thailand and Spain, which rely heavily on tourist visits, saw millions of job losses. The slumping economy causes delays in salary payments and reduces people’s purchasing power. The small and medium sectors, which are often the driving force of the local economy, are also feeling huge pressure. Many small businesses have been forced to close permanently due to reduced income. Governments in various countries, such as the United States and Indonesia, responded by providing economic stimulus and direct cash assistance to help ease people’s burdens and maintain purchasing power. On the other hand, several industries, such as technology and health, have actually experienced significant growth. Demand for healthcare services, including telemedicine, is increasing rapidly. Additionally, the information and communications technology industry is seeing a surge in new trends, allowing more people to work from home. During the outbreak, social inequality also became increasingly visible. High-risk groups, such as the elderly and those with comorbidities, face much greater challenges in accessing health care and resources. This not only threatens their health, but also increases inequality in society. Rising unemployment creates waves of internal migration, where many individuals seek employment opportunities in other areas. Salons, restaurants, and various other businesses are trying to adapt by providing outdoor services or delivery systems. Innovation and creativity emerge as a response to the challenges faced. Various countries have also responded by implementing new policies related to social welfare, such as providing stronger social safety nets for those who lose their jobs. In developing countries, the situation is further complicated by the lack of adequate health infrastructure, deepening the gap between developed and developing countries. At the same time, increasing attention to mental health is one of the significant side effects of the current conditions. Many individuals feel stress, anxiety, and depression due to social isolation and economic uncertainty. This encourages governments and non-governmental organizations to pay attention to mental health as an integral part of the response to the outbreak. Adaptation to the new era gives rise to new opportunities in the fields of innovation and entrepreneurship. Business people are starting to explore new business models and look for ways to increase operational efficiency through technology. This shows that despite the enormous challenges faced, there is potential for rapid recovery with the right strategies. Post-outbreak recovery will depend heavily on collaboration between government, the private sector and society. Investments in infrastructure, technology and human resources are key steps to create a more resilient and inclusive economy in the future. The social transformations taking place today will likely shape the way we interact and do business for years to come, providing valuable lessons for global society.