The source explains that water reduction is calculated by comparing the rate between consumed water in cubic meter and the volume of LEGO® bricks produced in tons for the current year and the previous year. The formula goes as follows:
1-((water current year/LEGO bricks current year)/(water previous year/LEGO bricks previous year)).
In the year 2025, the LEGO Group improved its water reduction efficiency by nearly *** percent compared to the previous year. This means that the amount of water used per produced LEGO brick has gone down by roughly *** percent.
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LEGO. (March 10, 2026). Water reduction efforts of the LEGO Group factories from 2018 to 2025 (in percent) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 19, 2026, from /statistics/1380342/lego-water-reduction/
LEGO. "Water reduction efforts of the LEGO Group factories from 2018 to 2025 (in percent)." Chart. March 10, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 19, 2026. /statistics/1380342/lego-water-reduction/
LEGO. (2026). Water reduction efforts of the LEGO Group factories from 2018 to 2025 (in percent). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 19, 2026. /statistics/1380342/lego-water-reduction/
LEGO. "Water Reduction Efforts of The Lego Group Factories from 2018 to 2025 (in Percent)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 10 Mar 2026, /statistics/1380342/lego-water-reduction/
LEGO, Water reduction efforts of the LEGO Group factories from 2018 to 2025 (in percent) ÌÇÐÄÆƽâ°æ, /statistics/1380342/lego-water-reduction/ (last visited July 19, 2026)
Water reduction efforts of the LEGO Group factories from 2018 to 2025 (in percent) [Graph], LEGO, March 10, 2026. [Online]. Available: /statistics/1380342/lego-water-reduction/
