Yes, loneliness is a universal human experience. People of all ages, genders, and backgrounds can experience feelings of loneliness at various points in their lives. It is a normal human emotion that can be caused by a variety of factors, such as social isolation, the absence of meaningful relationships, or a lack of connection with others. Loneliness can affect both extroverted and introverted individuals, as it is not solely determined by the amount of social interaction a person has.