The drink was introduced in 2005 as Coca-Cola Zero as a new no-calorie cola.[2] In 2017, the formula was modified and the name updated, the announcement of which led to some backlash from consumers.[3] Another formula change occurred in the United Kingdom in July 2021, in the United States in August 2021, and in Canada in September 2021.[4]
As of 2024 Coke Zero is the seventh best selling soda in the United States and has had the largest rise in market share in the United States among sodas since its introduction in 2005.[5]