In 2019, less than a quarter of the world's bulk carriers were fitted with ballast water treatment systems. The penetration rate was slightly higher in liquefied natural gas carriers: about 29 percent of these vessels treated their ballast water. In contrast to this, only one percent of passenger ships had systems in place for managing their ballast water. When untreated, ballast water can seriously damage aquatic ecosystems and lead to human health issues.
Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type
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UNCTAD. (November 1, 2019). Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type [Graph]. In Statista. Retrieved June 16, 2024, from https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/
UNCTAD. "Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type." Chart. November 1, 2019. Statista. Accessed June 16, 2024. https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/
UNCTAD. (2019). Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type. Statista. Statista Inc.. Accessed: June 16, 2024. https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/
UNCTAD. "Share of Vessels Fitted with Ballast Water Treatment Systems Worldwide in 2019, by Type." Statista, Statista Inc., 1 Nov 2019, https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/
UNCTAD, Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type Statista, https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/ (last visited June 16, 2024)
Share of vessels fitted with ballast water treatment systems worldwide in 2019, by type [Graph], UNCTAD, November 1, 2019. [Online]. Available: https://www.statista.com/statistics/1096193/penetration-rate-of-ballast-water-treatment-systems/