The success rate of hair transplant surgery depends on the surgeon's skill and technique. It can be as high as ninety percent if the doctor is skilled and experienced. The success rate can range from 90 to 98 percent depending on the patient's expectations. A high-quality physician will work with the patient to develop a customized strategy for the procedure. The surgery is a great way to replace hair lost due to alopecia. Hair transplant success rate can be lower than ninety percent, but it's still an impressive number.