How many bones are there in an adult human backbone?

Answer 1

The human adult vertebral column consists of 26 bones.

There are 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, and 2 that are collections of fused bones, the sacrum and the coccyx.

An infant may have 32, 33, or 34 spinal bones present at birth.

Answer 2

There are typically 33 individual bones in an adult human backbone, also known as the vertebral column. These bones include 7 cervical vertebrae in the neck, 12 thoracic vertebrae in the mid-back, 5 lumbar vertebrae in the lower back, 5 fused sacral vertebrae, and 4 fused coccygeal vertebrae.