Sana Twice Wiki, Bio, Age, Height, Weight, Body Measurements. About Sana Twice Sana Minatozaki known as Sana is a Japanese singer based in South Korea. She was born on December 29, 1996, in Tennōji-ku, Osaka, Japan. As of 2023, Sana Twice is 27 years old. She is a member of the K-pop girl group Twice, formed by JYP Entertainment. Sana is …