The World Shipping Council (WSC) has published its Containers Lost at Sea report, finding that container loss rose significantly last year.
In 2025, an estimated 1,478 containers were lost at sea out of approximately 280 million transported, equivalent to 0.0005 percent of global container movements.
While this represents an increase from 576 containers lost in 2024 and is above the recent three-year average, it remains within the range of historical variation and continues to reflect a very small proportion of overall containerized trade.
A notable feature of 2025 was the concentration of losses in a small number of incidents.
A notable feature of 2025 was the concentration of losses in a small number of incidents.
One major incident alone accounted for 640 containers lost, or approximately 43 percent of the annual total. This underscores the continued influence of isolated, large-scale events in shaping yearly outcomes.
Encouragingly, 128 containers were reported as recovered, reflecting improved response coordination and collaboration following incidents.
The long-term trend continues to show that container losses remain a very small fraction of total global container movements.
Encouragingly, 128 containers were reported as recovered, reflecting improved response coordination and collaboration following incidents.
The long-term trend continues to show that container losses remain a very small fraction of total global container movements.
While year-to-year figures fluctuate, often driven by extreme weather and isolated events, the overall trajectory remains stable and significantly below earlier peak years.
World Shipping Council remains committed to transparency, data-driven safety improvements, and collaborative action across the supply chain.
World Shipping Council remains committed to transparency, data-driven safety improvements, and collaborative action across the supply chain.
The introduction of mandatory IMO reporting requirements from 2026 marks a major step forward in enhancing global data accuracy and supporting further safety improvements.
Key findings and results
- 1,478 containers lost at sea in 2025, out of over 280 million transported (0.0005%)
- 128 containers recovered, the highest recovery figure recorded to date
- Losses driven by one major incident (640 containers)
- Extreme weather events and fire remain leading causes of container loss
- Key drivers of 2025 losses
Impact of major incidents
The 2025 data again demonstrates that annual totals are heavily influenced by isolated high-impact events:A single vessel loss incident accounted for 43% of containers overboard (640 containers), significantly increasing the annual total.
A handful of additional incidents involving severe weather, stack collapse, or cargo shift contributed notable losses that drove up the annual total.
This pattern is consistent with previous years where major incidents, rather than widespread systemic issues, drive annual fluctuations.
Weather and ocean conditions
Weather remains a key factor in container loss incidents, and 2025 saw challenging conditions across several major shipping routes.
While the total number of storms globally was not significantly higher than average, the year was marked by:Warmer-than-normal ocean temperatures, which can intensify storms and increase wave energy.
Periods of more severe and less predictable weather, particularly in the North Atlantic and North Pacific.
Regional conditions that created difficult operating environments, including strong winter storms and unusual ocean patterns.
These factors increased the likelihood of incidents when vessels encountered heavy weather, even if overall storm numbers were not elevated.
Operational and incident-specific factors
In addition to weather, several operational factors contributed to losses, including:
- Fire-related incidents
- Cargo shift and stack collapse in rough seas
- Individual vessel incidents, including groundings and total losses
The number of containers lost at sea continues to fluctuate year-to-year, reflecting the impact of isolated large-scale incidents.
The increase in 2025 reverses the sharp decline observed in 2022–2024 but remains consistent with historical variability driven by major incidents.
The full dataset since WSC started its surveys show:
The full dataset since WSC started its surveys show:
The highest recorded loss remains 2013, with 5,578 containers
The lowest recorded loss was in 2023, with 221 containers
Every container loss incident presents a risk to the environment, seafarers, shippers’ cargo and to the ship, and we will continue to work systematically to prevent them.
The lowest recorded loss was in 2023, with 221 containers
Every container loss incident presents a risk to the environment, seafarers, shippers’ cargo and to the ship, and we will continue to work systematically to prevent them.
Nevertheless, despite periodic spikes, the overall trend continues to demonstrate that container losses are rare relative to the scale of global trade.
Recovery trends
For the third consecutive year, we are also gathering data on the recovery of containers.
In 2025, 128 containers were recovered, compared to minimal recoveries in previous years.
This increase suggests improved tracking and response capabilities, as well as enhanced coordination and collaboration between ocean carriers and coastal authorities.
Regulatory shift
To remind, the Maritime Safety Committee, at its 108th session, adopted amendments to SOLAS Chapter V (Resolution MSC.550(108)), introducing a requirement to report freight containers lost at sea or observed drifting.
This increase suggests improved tracking and response capabilities, as well as enhanced coordination and collaboration between ocean carriers and coastal authorities.
Regulatory shift
To remind, the Maritime Safety Committee, at its 108th session, adopted amendments to SOLAS Chapter V (Resolution MSC.550(108)), introducing a requirement to report freight containers lost at sea or observed drifting.
In parallel, the Marine Environment Protection Committee (MEPC), at its 81st session, adopted amendments to Article V of Protocol I of MARPOL (Resolution MEPC.384(81)), establishing reporting procedures for lost containers aligned with SOLAS regulations V/31 and V/32.




