How much bones are in the backbone of an adult?

An adult human backbone, or vertebral column, consists of 33 individual vertebrae. However, in adulthood, some of these vertebrae fuse together, resulting in a total of 24 movable vertebrae: 7 cervical, 12 thoracic, and 5 lumbar. Additionally, the sacrum and coccyx are formed from fused vertebrae, making the total count of vertebrae in the vertebral column 26 in adults.