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ranking_co2_emissions_wtw.Discover the world's largest shipping companies ranked by CO2 emissions (WtW), updated for 2025. ranking_co2_emissions_wtw.Our comprehensive analysis covers major global carriers and their CO2 emissions.
The podium below showcases the three largest shipping companies globally based on CO2 emissions (Well-to-Wake). These industry leaders represent the companies with the highest environmental impact in terms of carbon emissions.
ranking_co2_emissions_wtw.CO2 emissions (WtW) is the central metric in our ranking system. ranking_co2_emissions_wtw.It refers to the total CO2 emissions of a company. ranking_co2_emissions_wtw.This factor best represents operational capacity, shipping network reach, and investment scale. ranking_co2_emissions_wtw.A larger fleet not only increases route flexibility but also enhances reliability, resilience, and service frequency across global trade lanes.
ranking_co2_emissions_wtw.The ranking process begins with data collection, gathering verified information from company financial reports, maritime industry associations, and trusted shipping databases.
ranking_co2_emissions_wtw.Once collected, every data point undergoes a verification process where it is cross-referenced with multiple independent sources to confirm accuracy.
ranking_co2_emissions_wtw.The next stage is analysis, where companies are ranked mainly by CO2 emissions (WtW). ranking_co2_emissions_wtw.Secondary consideration is given to TEU capacity and overall shipping volume, offering a broader understanding of each company's logistical capabilities.
ranking_co2_emissions_wtw.Finally, our rankings are updated quarterly, ensuring they reflect the latest changes, including new vessel acquisitions, fleet reductions, mergers, and operational shifts.
ranking_co2_emissions_wtw.CO2 emissions (WtW) is more than a number—it indicates strategic commitment, investment capacity, and global competitiveness.
ranking_co2_emissions_wtw.CO2 emissions (WtW) is a key indicator of a company's operational efficiency and environmental responsibility.
ranking_co2_emissions_wtw.CO2 emissions (WtW) is a key indicator of a company's environmental responsibility and sustainability efforts.
ranking_co2_emissions_wtw.CO2 emissions (WtW) is a key indicator of a company's global reach and its ability to operate across different regions and trade lanes.
ranking_co2_emissions_wtw.The comprehensive table below ranks the world's leading maritime shipping companies based on their CO2 emissions (Well-to-Wake). ranking_co2_emissions_wtw.Additional metrics such as vessel count, distance traveled, and total voyages provide further context on each company's environmental impact.
| ranking_co2_emissions_wtw.Rank | ranking_co2_emissions_wtw.Company | ranking_co2_emissions_wtw.CO2 Emissions (tonnes) |
|---|---|---|
| 1 | | 191,368 |
| 2 | | 80,266 |
| 3 | | 32,733 |
| 4 |  | 28,555 |
| 5 |  | 23,864 |
| 6 |  | 21,342 |
| 7 |  | 20,679 |
| 8 |  | 14,500 |
| 9 |  | 13,606 |
| 10 |  | 12,933 |
| 11 |  | 25,522 |
| 12 |  | 2,857 |
| 13 |  | 602 |
ranking_fleet_size.Source: ranking_fleet_size.International Maritime Organization, ranking_fleet_size.2025
ranking_fleet_size.The global shipping fleet continues to expand, with an average annual growth rate of 4,2% over the past five years.
ranking_fleet_size.Global container trade volume increased by 5,8% year-over-year, reaching 180 million TEUs.
ranking_fleet_size.The top 10 shipping companies now control 85% of global container capacity, up from 74% five years ago.
ranking_fleet_size.Source: ranking_fleet_size.World Shipping Council, ranking_fleet_size.2025
ranking_fleet_size.The Asia-Pacific region dominates the global maritime sector, with companies from China, Japan, South Korea, and Taiwan accounting for over 60% of the world's top 20 shipping lines by fleet size.
ranking_fleet_size.European shipping lines continue to be key players in the industry:
