The geopolitical dynamics between the United States and China are increasingly heating up as competition increases in various sectors, including the economy, technology and military. These tensions create a dynamic geopolitical landscape, which includes shifting strategic alliances and the economic rise of countries in Asia as well as around the world. One key aspect in this tension is trade. The United States imposes high tariffs on Chinese goods in an effort to reduce its trade deficit and pressure Beijing to change trade practices it considers unfair. On the other hand, China is seeking to strengthen its position through the Belt and Road initiative, which focuses on infrastructure investment in various countries, expanding its influence globally. Technology is also a major battleground. Competition in the development of 5G technology and artificial intelligence (AI) has created concerns among Western countries regarding data security and privacy. The United States has banned a number of Chinese technology companies, such as Huawei, from providing their equipment in the US market, while China is trying to develop its local technology industry to reduce dependence on foreign products. In the military aspect, tensions are clearly visible in the South China Sea and the Taiwan Strait. The US is intensifying freedom of navigation operations to contest China’s territorial claims in the region. Facing the intensification of US military activity, China is increasing its military presence while strengthening its partnerships with other countries, such as Russia, in joint military exercises. On the diplomatic side, both countries seek to influence developing countries, often by offering economic assistance or investment. Countries in Southeast Asia have become a battleground for these two powers, who are trying to attract political and ideological support. Human rights issues are also an element in these tensions. The United States has implemented sanctions against Chinese officials over the treatment of Uighurs in Xinjiang and the situation in Hong Kong. China hit back with sharp criticism of US interference in its internal affairs, accusing America of trying to undermine the sovereignty of other countries. The rise of other countries, such as India and Japan, adds complexity to this situation. Both countries are seeking to strengthen cooperation with the US in response to the uncertainty caused by China’s rise. Forums such as the Quad, consisting of the US, India, Japan and Australia, reflect such efforts to create a balance of power in the Asia-Pacific region. Climate change is also starting to become an issue that influences geopolitics. China and the US are the two largest carbon emitters. Cooperation in the environmental sector can be a common ground that allows the two countries to reduce tensions, even though they remain competitive in various other sectors. With various existing dimensions, the dynamics are very complex and have the potential to change quickly. In the future, how the two countries interact, both in terms of competition and collaboration, will greatly determine the direction of global geopolitics in the 21st century.