1s tend to be one of the more introverted social types in the Enneagram, with almost three-quarters of them introverts.
Introverted 1s
More Common: 73%
Self-disciplined, reserved, observant, and respectful of standards
Tend to be big readers & writers; may have more creative hobbies
Most energized and in control when they’re checking off their responsibilities
Direct their high standards toward improving themselves
Their innate desire to correct problems can make social situations draining
Extraverted 1s
Less Common: 26%
Tend to have a dominant Relational instinct and may resemble Fours or Eights
Outgoing, talkative, and friendly
More active and adventure-seeking, with a noticeable fiery spirit
Seek to have a strong impact on others
Focus on reforming others’ behavior or opinions according to their own values