China's rise to alter global configuration
Even if China realizes its second centennial goal of "building a prosperous and strong, democratic, civilized, harmonious socialist modern country" in 2049, the US will not necessarily lose its superpower status. Global configuration is determined by two key factors - comparative strengths and strategic relationships of major powers. From the perspective of comprehensive national strength, the components of China's national strength are imbalanced.
China's economy has had an impact on the world, but its political and cultural influences are limited to the West Pacific. Its military capabilities, the weakest link in its national strength, have hardly crossed the perimeter of defense. It is far more difficult for China's comprehensive national strength to catch up with that of the US than for its economy to do so. The US upgrades its military capabilities through wars, China through military drills - the difference is like that between corporate executives and corporate governance scholars.
Indeed, the US has strategic conflicts with two major powers (China and Russia), but its strategic ties are of higher quality than those of China's. The US has adopted an alignment principle and is in alliance with the United Kingdom, France, Germany and Japan. China follows a non-alignment policy, and has cooperative partnerships with the US, the UK, France, Germany and Russia. The US has about 60 allies, not including China, while China has 58 cooperative partnerships including the US.