Yes, INFJ is considered a rare personality type. According to various studies and surveys, INFJs make up only about 1-2% of the population, making them one of the rarest personality types.

INFJ stands for Introverted, Intuitive, Feeling, and Judging. Here is a detailed description of each aspect of the INFJ personality type:

1. Introverted (I): INFJs are primarily focused inward and gain energy from spending time alone. They tend to be reflective, introspective, and enjoy solitude. They often need time alone to recharge and process their thoughts and emotions.

2. Intuitive (N): INFJs rely on their intuition and are more focused on the big picture rather than the details. They are imaginative, future-oriented, and have a strong ability to see patterns and connections. They often trust their gut feelings and have a deep sense of intuition.

3. Feeling (F): INFJs make decisions based on their emotions and values rather than logic. They are empathetic, compassionate, and highly attuned to the emotions of others. They prioritize harmony and seek to understand and support others. INFJs are often driven by a strong sense of purpose and are motivated by making a positive impact on the world.

4. Judging (J): INFJs prefer structure, organization, and planning. They like to have a clear sense of direction and enjoy making decisions. They are often goal-oriented, responsible, and reliable. INFJs have a strong desire for closure and prefer to have things settled rather than open-ended.

Overall, INFJs are known for their deep empathy, insightfulness, and their ability to understand and connect with others on a profound level. They are often described as idealistic, creative, and highly intuitive. INFJs are driven by their values and are often passionate about making a difference in the world. They are natural counselors, mentors, and advocates for others.