Both White and Green Teas come from the same Tea plant, Camellia sinensis. While several comparisons has been drawn between Green and White tea, both has high nutritional values.
White Tea leaves are harvested at a younger age than Green Tea leaves. White Tea is considered rare and is usually more expensive than green, as it can only be handpicked during a particular season. White Tea also contains antioxidants as green tea, but in greater quantity. since white tea is less processed, it retains a higher amount of antioxidants, compared to green. These antioxidants are found to have many health promoting qualities. White Tea also tastes different to green, having a smoother and gentler taste.
Green Tea involves slightly more processing compared to White Tea. Green Tea is partially fermented. It is steamed or roasted, fired and then rolled. White and Green Teas are not overly processed, so they retain most of their beneficial antioxidants. Green Tea is definitely an extremely healthy addition to the diet. Reason for Green Tea being more popular could be the various studies done on it and extensive marketing.