美国中产阶级的萎缩

Core Insights - The middle class in the United States is facing a silent crisis of decline, not just a slow erosion, as evidenced by the widening gap between official poverty lines and actual living costs [1][3][12] Economic Context - Since the 1980s, economic policies have shifted, leading to a significant decline in labor income's share of GDP, from approximately 64% in 1980 to an estimated 56% by 2025 [4][9] - The federal debt as a percentage of GDP has surged from 32% in 1980 to a projected 123% in 2025, partly due to tax cuts that expanded deficits [4][9] Poverty Line Discrepancies - The official poverty line for a family of four is set at $31,200 in 2025, while the actual survival cost is estimated to be around $136,000, creating a cognitive gap of nearly $100,000 [3][11] - A report suggests that the real poverty line should be approximately $166,400, indicating that over 70% of American households earn below this threshold [3][11] Changing Expenditure Patterns - Essential expenses such as housing, healthcare, and childcare now account for nearly 60% of family budgets, a significant increase from one-third in 1963 [2][6] - The median home price in 2025 is projected to be $416,900, which is five times the median household income of $83,150, far exceeding historical averages [6][7] Income and Wealth Inequality - The top 1% of wealth holders are projected to control 31% of GDP by 2025, a significant increase from 8% in 1964, highlighting growing inequality [8][9] - The median net worth for middle-class families is only $192,900, compared to $3 million for the top 10% [8] Future Projections - The Congressional Budget Office (CBO) predicts that by 2030, the middle-class contraction will worsen, with poverty rates potentially reaching 75% when recalibrated [11][12] - Structural reforms are necessary to address the middle-class crisis, including redefining the poverty line, reforming tax policies, and investing in vocational education [12]