Provided is a packaged caffeine-reduced green-tea beverage, which can be enjoyed either hot or cold, and which has a sweet aroma and rich full-bodied flavor. The packaged green-tea beverage has a caffeine concentration of less than 90ppm, and a total sugar concentration (obtained by adding the concentration of nonreducing sugars and the concentration of reducing sugars) that falls within the range of 150ppm to 500ppm； a ratio of the concentration of nonreducing sugars to the concentration of reducing sugars (non-reducing sugars/reducing sugars) that falls within the range of 2.0 to 13.0； a ratio of ester catechins to sugar concentration (ester catechins/sugars) that falls within the range of 0.9 to 2.2； and a percentage of the concentration of theanine to the concentration of caffeine (theanine/caffeine x 100) of at least 10.0.
