Why is Fatima Al Zahra (as) the only infallible female? Are women considered inferior in the eyes of God, which is why the majority of infallibles are men?
No question of inferiority of women in Islam at all. Fatima (AS) was the lady who was granted the highest rank above all human beings including all the pious men and she is the third greatest human being after her father the Prophet Muhammad (SAWA) and her husband Ameerul Mo'mineen (AS).
Wassalam.