Oita is typically a very safe city for solo female travelers. Japanese culture highly respects order, law, and personal security, making the city quite secure. Incidents of crime are extremely low, especially towards tourists. It is generally safe to walk around even at night. Nonetheless, it is always advised to maintain standard travel precautions such as being aware of your surroundings, not displaying expensive belongings in public, and avoiding unlit or deserted areas at night.