关税战下的美国：关税收入、实际税率与贸易格局演变

Revenue and Tax Rate Insights - U.S. tariff revenue surged to $144.4 billion in the first eight months of 2025, 2.8 times higher than the same period last year, making it the fourth largest source of federal revenue at 4.0%[12] - The average tariff rate increased from 2.2% in January to 8.9% in June 2025, reflecting a significant rise driven by higher tariff rates[16] Trade Partner Analysis - The actual average tariff rate on imports from China reached 37.4% in June 2025, up 26.5 percentage points from January, with a peak of 45.6% in May[27] - U.S. imports from China fell by 18.9% and exports by 20.2% in the first seven months of 2025, indicating a significant decline in trade volume[28] Trade Dynamics - U.S. imports grew by 10.7% and exports by 4.8% year-on-year in the first seven months of 2025, while the trade deficit expanded by 21.3%[27] - The U.S. reliance on Chinese imports decreased, with imports from China constituting 9.4% of total U.S. imports, down 3.4 percentage points year-on-year[5] Product-Specific Tariff Changes - Tariff rates on labor-intensive goods, such as toys and shoes, increased significantly, with rates rising by 24.2 and 13.1 percentage points respectively[37] - The "232 tariffs" on steel and aluminum products saw rates increase from 25% to 50%, leading to substantial hikes in actual tariff rates for these categories[38]