Values for the last week of each month. *Data for May through August 2022, May through December 2023, and January 2024 through August 2025 is not available.
APM-Maersk owned *** ships and was chartering *** ships as of the beginning of August 2025. Overall, the Copenhagen-headquartered shipper accounted for **** percent of the world’s merchant container fleet.
Fleet capacity
APM-Maersk has ships with a capacity of more than ** twenty-foot-equivalent units, which could be broken down to roughly * twenty-foot-equivalent units of owned capacity and about * twenty-foot equivalent units of chartered capacity. Furthermore, the container line had ships with some additional ** twenty-foot-equivalent units of capacity in its order book.
One of Maersk’s most impressive container ship is the Madrid Mærsk. The Triple-E vessel was built by South Korea’s Daewoo Shipbuilding & Marine Engineering Company, one of the largest shipbuilding companies worldwide. The megahauler is just under *** meters long and ** meters wide, trailing only the OOCL Hong Kong in TEU capacity. Triple-E stands for "economies of scale", "energy efficient" and "environmentally improved". The ships in the Triple-E class are regarded as the most efficient container ships per twenty-foot equivalent of cargo. However, the building of such mega ships comes at a risk as the container shipping-industry continues to suffer from overcapacity and weak global demand in times of rising trade tensions.
About Maersk
In terms of twenty-foot-equivalent units, Denmark’s Maersk Lines is the world’s largest container-shipping company. Twenty-foot equivalent units (TEUs) are the shipping industry’s standard unit of measure, denoting the capacity of a standard freight container.
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Alphaliner. (August 6, 2025). Number of APM-Maersk ships from February 2021 to August 2025 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 03, 2026, from /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/
Alphaliner. "Number of APM-Maersk ships from February 2021 to August 2025." Chart. August 6, 2025. ÌÇÐÄÆÆ½â°æ. Accessed August 03, 2026. /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/
Alphaliner. (2025). Number of APM-Maersk ships from February 2021 to August 2025. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 03, 2026. /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/
Alphaliner. "Number of Apm-maersk Ships from February 2021 to August 2025." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 6 Aug 2025, /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/
Alphaliner, Number of APM-Maersk ships from February 2021 to August 2025 ÌÇÐÄÆÆ½â°æ, /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/ (last visited August 03, 2026)
Number of APM-Maersk ships from February 2021 to August 2025 [Graph], Alphaliner, August 6, 2025. [Online]. Available: /statistics/199366/number-of-ships-of-apm-maersk-in-december-2011/