How to Say Happy Birthday in Japanese? I’m Japanese and 18 years old. I’m studying English to sign up for a college in Australia. There are some phrases to congratulate people’s birthday in Japanese . Otanjoubi omedetou gozaimasu (お誕生日おめでとうございます） otanjoubi omedetou (お誕生日おめでとう) tanome (たんおめ) Otanjoubi omedetou gozaimasu(お誕生日おめでとうございます) is the politest word. People can use for […]