How many types of joints are there in the human body?

There are three types of joints in human body:

Fibrous/fixed joints
Cartilagenous/slightly movable joints
Synovial/movable joints

Fixed joints are associated with collagen rich dense connective tissue. Examples are-

bony sutures present between skull bones.
gomphosis present between teeth and bony socket.

(https://d2gne97vdumgn3.cloudfront.net/api/file/mLCaVcHRKG7jm2ilONUA)
(https://d2gne97vdumgn3.cloudfront.net/api/file/bJVjXFUSr2Fa0wbWEGFl)
Cartilagenous joints are only slightly movable. Examples are-

intervertebral discs and
pubic symphysis

(https://d2gne97vdumgn3.cloudfront.net/api/file/PBCqcK50QAmAhqz8OWVJ)
Synovial joints are of five types:

ball and socket type present in shoulder and hip
hinge type present in knee and elbow
gliding type present in wrist and ankle
pivot type present between atlas and axis
saddle type present at the base of thumb

(https://d2gne97vdumgn3.cloudfront.net/api/file/9BGN7SgQKKWxuHTq4Jt9)