Kato Ai had given birth to her first baby girl in the United States as announced by her agency on 14 September. Both mother and daughter are said to be doing well. According to her agency, Kato wanted to keep her pregnancy a secret until she gave birth so as to avoid the media attention. In her statement, Kato said that although she had her fair share of worries during the pregnancy, she was glad about the smooth delivery and is filled with gratitude. She hopes to keep this feeling in mind as she tries to learn how to be a mother and thanked everyone for their support.
Kato married a company director who is 7 years older than her on 22 November 2013.