
The latest data from Descartes, a global logistics analytics firm, reveals a concerning trend in U.S. port activity. May 2024 saw a dramatic 9.7% month-over-month decline in container imports, totaling 2,177,453 TEUs (Twenty-foot Equivalent Units). This represents a 7.2% decrease compared to May 2023, marking the first May-to-May decline since 2020's pandemic disruptions.
The Trade Policy Effect
Analyst Jackson Wood attributes this downturn to shifting trade patterns. "April saw an artificial surge as importers rushed to beat new tariffs," Wood explains. "The subsequent May decline reflects both this pull-forward effect and broader strategic reassessments by U.S. companies."
Recent modifications to the de minimis rule—which governs low-value imports—and fluctuating landed costs have particularly impacted Chinese imports. May's Chinese-origin container volume plummeted 20.8% month-over-month (804,122 TEUs), representing the steepest single-month decline since March 2020.
Coastal Contrasts
The West Coast bore the brunt of this contraction. The ports of Long Beach and Los Angeles saw declines of 31.6% and 29.9% respectively, as China's share of U.S. imports fell to 29.3%—a two-year low. Meanwhile, East Coast and Gulf Coast ports demonstrated resilience, collectively increasing their market share to 44.5%.
Global Supply Chain Reconfiguration
Trade patterns show notable diversification. While imports from China, Italy, Hong Kong, and Thailand declined, volumes from India, South Korea, and Vietnam increased—suggesting ongoing supply chain realignment.
Experts identify multiple contributing factors:
• Global economic slowdown reducing consumer demand
• Persistent post-pandemic supply chain bottlenecks
• Rising labor costs prompting manufacturing relocation
• Aging port infrastructure struggling with modern trade volumes
Business Implications
Companies are advised to implement adaptive strategies:
1. Diversified sourcing: Reduce dependency on single markets
2. Lean inventory management: Optimize stock levels amid volatility
3. Enhanced supply chain visibility: Implement real-time tracking systems
4. Risk mitigation protocols: Develop contingency plans for disruptions
Economic Ripple Effects
This port activity decline may translate to:
• Higher consumer prices as import costs rise
• Reduced product availability in certain categories
• Potential employment impacts in port-related industries
Looking ahead, analysts caution that trade policy uncertainty, geopolitical tensions, and macroeconomic conditions will continue influencing import volumes. Businesses demonstrating supply chain agility and market diversification appear best positioned to navigate these challenges.