According to the book " Gan Bo Yeu Thương" by Dr. Amir Levine and Rachel Heller, approximately 50-55% of the population falls into the secure attachment category. The remaining 45-50% are distributed among three attachment styles: avoidant (about 25%), anxious (about 20%), and a combination of anxious and avoidant (about 5%). These proportions are relatively stable across various studies and are widely observed across many cultures. These statistics help in understanding how people form and m...