Does Diet Coke Have More Carbonation Than Regular Coke?

Does Diet Coke Have More Carbonation Than Regular Coke? Does Diet Coke have more carbonation than regular Coke? “The reason for the difference between the ‘fizz’ in Coke and Diet Coke is the same reason Diet Coke exists: It’s the sugar. Sugar both increases viscosity and surface tension, allowing regular Coke to form larger bubbles