Analysis of the economic impact of the World Wars, both World Wars I and II, offers deep insight into the global transformations that occurred during and after these conflicts. World War I, which lasted from 1914 to 1918, resulted in major shifts in the world economy. The direct costs of the war were estimated at around 186 billion US dollars in 1914, resulting in high inflation in many countries. Before World War I, many European countries such as France, Germany, and England relied on relatively stable agricultural and industrial systems. However, the war created a need to produce weapons and military equipment, triggering rapid industrialization and increased production. For example, the British shifted resources from the civil sector to the military, resulting in a massive increase in industrial employment. The economic impact of World War II was greater and more widespread. Beginning in 1939, this war brought even more severe economic losses to the countries involved. On average, global economic losses during World War II are estimated at around 4 trillion dollars. The countries involved experienced ballooning debt, creating runaway inflation and a prolonged recession. Post-war, countries like the United States emerged as the dominant economic power. The Marshall Program in Europe helped restore devastated economies by providing financial assistance to countries to rebuild their infrastructure. European countries receiving this investment assistance are moving towards more integrated economic systems, increasing international trade and collaboration. For countries involved in combat, war stimulates technological and industrial innovation. For example, in the field of technology, many inventions such as radar, jet engines, and nuclear technology were developed during this period. This transformation not only saves lives on the battlefield but also impacts the global economy afterwards. The war also changed the labor structure of many countries. Many human resources were involved in the armed forces, and women entered the workforce to replace jobs left by men who went to war. These changes sparked the women’s rights movement and gave impetus to gender equality in the workplace. The distribution of wealth and resources is also affected. The gap between developed countries and developing countries is widening. Countries that were able to adapt quickly to the aftermath of the war developed strong economies, whereas gap countries where infrastructure was destroyed often took a long time to recover. The global economic crisis after the war contributed to the emergence of international organizations such as the World Bank and the IMF, aimed at stabilizing the world economy and preventing a recurrence of similar situations. In his analysis of the economic impact of the World Wars, it is important to consider the long-term changes in political and social structures that occurred as the new global economy emerged. It is important to note that although war brings many negative impacts, there are also positive aspects that emerge from the destruction. Economic reorganization and innovation became a catalyst for economic growth in many regions. Nevertheless, the long-term effects of the World Wars yielded important lessons in diplomacy, economics, and human valuation.