Group 1 - The article discusses the significant debt levels of the world's wealthiest countries, specifically the United States, Japan, and China, highlighting their differing attitudes towards debt management [1][2] - The United States has a total debt exceeding $40 trillion, which is significantly higher than its GDP, indicating a hidden debt risk despite apparent economic prosperity [4][14] - Over 70% of the U.S. debt is held domestically, driven by a culture of consumerism and widespread credit card use, leading to increased borrowing by individuals and businesses [6][8] Group 2 - Japan's debt totals approximately 1,300 trillion yen (around $9.1 trillion), which is more than double its GDP, presenting a severe debt pressure situation [18][20] - The Bank of Japan has historically supported the debt market through large-scale bond purchases, but this support is weakening, raising concerns about future debt stability [22] - Recent economic pressures from the U.S. on Japan's automotive industry have exacerbated Japan's debt challenges, prompting a shift in Japan's diplomatic stance towards the U.S. [24] Group 3 - In contrast, China's debt level is approximately 86 trillion yuan, which is about 60% of its GDP, indicating a manageable debt situation within a recognized safe range [26][28] - China has implemented a proactive "debt reduction plan" to optimize debt structure and reduce repayment pressure, showcasing a strategic approach to debt management [28] - Chinese debt is primarily directed towards infrastructure projects, creating a positive cycle of borrowing for development, which enhances economic growth and repayment capacity [30][32]