中美日GDP大战！美国14.9万亿称霸，日本跌出前三，中国成绩如何

Global Economic Landscape - The International Monetary Fund (IMF) indicates a significant shift in the global economic landscape, with the United States maintaining its position as the world's largest economy, contributing 14.93 trillion USD, which accounts for one-quarter of the global GDP [1][3] - Japan has fallen out of the top three economies for the first time since 1972, overtaken by Germany, highlighting a dramatic decline in its economic status [1][13] United States Economic Performance - The U.S. GDP grew by 1.9% year-on-year in the first half of 2025, with a notable 3% annualized growth rate in Q2, largely driven by a 30% drop in imports, which reduced the trade deficit [3][5] - Private domestic final purchases increased by only 1.2%, indicating a weakening internal economic momentum, while inflation contributed significantly to nominal growth [5][18] China's Economic Growth - China's GDP reached approximately 9.23 trillion USD in the first half of 2025, securing its position as the second-largest economy globally, with consumption contributing 52% to this growth [7][9] - The trade surplus for the first seven months of 2025 reached 683.5 billion USD, a 31.2% increase year-on-year, suggesting strong external support for economic development [9][11] - High-tech manufacturing saw a growth rate of 9.5%, with R&D expenditure nearing 2.7% of GDP, surpassing the EU average, indicating advancements in high-end manufacturing [9][11] Japan's Economic Decline - Japan's GDP contracted by 0.2% in Q1 2025, marking its first negative growth since Q1 2023, primarily due to a significant drop in exports, particularly in the automotive sector [14][16] - Structural issues such as an aging population and high national debt are contributing to Japan's economic challenges, with labor force participation at a historic low [16][19] Emerging Market Dynamics - Emerging economies like India, Indonesia, and Vietnam are gaining importance in the global economic landscape, driven by demographic advantages and policy reforms, leading to a more complex and competitive economic environment [21][23] - The IMF projects that by 2025, China's GDP will reach 63% of the U.S. GDP, emphasizing the competitive dynamics between these two major economies [23]