PROBLEM TO BE SOLVED: To provide, in carbonated beverage with slight-sugar design, a carbonated beverage that has an improved harsh taste and astringency derived from carbonic acid, and has an improved clean-cut feeling.SOLUTION: Provided are: a carbonated beverage comprising a sweetener and an acidulant, having an acidity of 0.01 to 0.03, a sweetness of 1 to 5, a sweet acid ratio of 150 to 600, and a pH of 5.0 or less; and a method for producing carbonated beverage, including, in a carbonated beverage comprising a sweetener and an acidulant, adjusting the acidity to 0.01 to 0.03, adjusting the sweetness to 1 to 5, adjusting the sweet acid ratio to 150 to 600, and adjusting the pH to 5.0 or lower.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】本発明は、微糖設計の炭酸飲料において、炭酸に由来するエグ味や渋味が改善され、すっきり感の向上した炭酸飲料を提供する。【解決手段】甘味料と酸味料とを含み、酸度が0.01~0.03であり、甘味度が1~5であり、甘酸比が150~600であり、pHが5.0以下である、炭酸飲料、及び、甘味料と酸味料とを含む炭酸飲料において、酸度を0.01~0.03に調整し、甘味度を1~5に調整し、甘酸比を150~600に調整し、pHを5.0以下に調整する、炭酸飲料の製造方法。【選択図】なし