Aktualisiert am 18. August 2026

Global Maritime Companies Ranking by
CO2 Emissions (WtW)

Discover the world's largest shipping companies ranked by CO2 emissions (WtW), updated for 2025. Our comprehensive analysis covers major global carriers and their CO2 emissions.

Total Companies Analyzed

Combined Fleet Size

2.2M

Global TEU Capacity

53.3K

Top 3 der Reedereien mit den höchsten CO2-Emissionen (WtW)

Das Podium unten zeigt die drei größten Reedereien weltweit nach CO2-Emissionen (Well-to-Wake). Diese Branchenführer sind die Unternehmen mit den höchsten Umweltauswirkungen in Bezug auf CO2-Emissionen.

SALAM PACIFIC INDONESIA LINES

SALAM PACIFIC INDONESIA LINES

Understanding Maritime Rankings

Key Ranking Criteria

CO2 Emissions (WtW)

Primary Factor

CO2 emissions (WtW) is the central metric in our ranking system. It refers to the total CO2 emissions of a company. This factor best represents operational capacity, shipping network reach, and investment scale. A larger fleet not only increases route flexibility but also enhances reliability, resilience, and service frequency across global trade lanes.

Our Methodology

Data Collection

The ranking process begins with data collection, gathering verified information from company financial reports, maritime industry associations, and trusted shipping databases.

Verification

Once collected, every data point undergoes a verification process where it is cross-referenced with multiple independent sources to confirm accuracy.

Analysis

The next stage is analysis, where companies are ranked mainly by CO2 emissions (WtW).

Quarterly Updates

Finally, our rankings are updated quarterly, ensuring they reflect the latest changes, including new vessel acquisitions, fleet reductions, mergers, and operational shifts.

Why CO2 Emissions (WtW) Matters in Shipping Rankings

CO2 emissions (WtW) is more than a number—it indicates strategic commitment, investment capacity, and global competitiveness.

Operational Efficiency

CO2 emissions (WtW) is a key indicator of a company's operational efficiency and environmental responsibility.

Environmental Responsibility

CO2 emissions (WtW) is a key indicator of a company's environmental responsibility and sustainability efforts.

Global Reach

CO2 emissions (WtW) is a key indicator of a company's global reach and its ability to operate across different regions and trade lanes.

Global Maritime Companies Ranking by CO2 Emissions (WtW)

The comprehensive table below ranks the world's leading maritime shipping companies based on their CO2 emissions (Well-to-Wake). Additional metrics such as vessel count, distance traveled, and total voyages provide further context on each company's environmental impact.

Rank	Company	CO2 Emissions (tonnes)
1	SITC Container Lines	1602635
2	SALAM PACIFIC INDONESIA LINES	400761
3	A.P. Moller - Maersk	34168
4	Mediterranean Shipping Compagny	33046
5	COSCO Shipping	16655
6	Nippon Yusen Kaisha	11410
7	Ocean Network Express	10271
8	Mitsui O.S.K. Lines	10063
9	Evergreen marine Corporation OR Evergreen Line	9537.459
10	Stolt Tank Containers	7018

ranking_co2_emissions_wtw.Global Shipping Industry Insights

Carrier-Verteilung nach CO2 Emissions (WtW)

Kleine Anbieter9 (22%)

Mittlere Anbieter6 (15%)

Große Anbieter26 (63%)

Quelle: Seadex aggregierte Daten, 2026

Branchenkonzentration & Trends

Top-10-Konzentration97.8%

Die Top-10-Carrier repräsentieren 97.8% der globalen Kennzahl über 41 Unternehmen.

Durchschnitt pro Unternehmen53.3K

Durchschnittswert über die 41 in unserer Datenbank erfassten Carrier.

Branchengesamtwert2.2M

Kumulierter Wert über alle Carrier mit verfügbaren Daten.

Quelle: Seadex aggregierte Daten, 2026

ranking_co2_emissions_wtw.Regional Distribution & Leadership in Global Shipping

Dominanz Asien-Pazifik

Die Asien-Pazifik-Region dominiert mit Firmen aus China, Japan, Südkorea und Taiwan über 60 % der Top-20-Flotten.

COSCO Shipping (China) hat die Flotte im letzten Jahr um 15 % erhöht, getrieben von starker Nachfrage
Diese Stärke reflektiert Asiens Rolle als Zentrum von Produktion und Handel

Europäische Seefahrtstradition

Europäische Reedereien bleiben entscheidende Akteure.

Länder wie Schweiz, Dänemark, Deutschland und Frankreich sind in den Top 10 vertreten
MSC (Schweiz) hat Maersk überholt und ist größte Containerreederei, was Europas strategische Präsenz unterstreicht

Frequently Asked Questions

How are maritime companies ranked in this list?

Companies are ranked primarily by CO2 emissions (WtW), with secondary metrics such as vessel count, distance traveled, and total voyages.

How often is the maritime companies ranking updated?

Rankings are updated quarterly to reflect fleet changes, mergers, acquisitions, and market trends.

What is CO2 emissions (WtW) and why is it important in shipping?

CO2 emissions (WtW) is a key indicator of a company's environmental responsibility and sustainability efforts.

Why has MSC overtaken Maersk as the world's largest shipping company?

MSC has aggressively expanded its fleet and market reach, overtaking Maersk by number of vessels and TEU capacity in recent years.

How has the COVID-19 pandemic affected maritime shipping rankings?

COVID-19 led to temporary disruptions, but also accelerated digitalization and fleet realignments, influencing ranking dynamics post-2021.

What role do alliances play in the maritime shipping industry?

Strategic alliances (2M, THE Alliance, Ocean Alliance, and others) allow carriers to optimize routes, share capacity, and enhance global service coverage.