The requirements for the priesthood differed over time and among the cults of different gods.

Even when the requirements of different jobs differ, they may be combined into a single category, depending on the status a job carries.

The requirements for admission also differ depending on the program.

The educational requirements for becoming a clinical neuropsychologist differ between countries.

Typically the requirements to become a psychiatrist are substantial but differ from country to country.

The fourth requirement differs from author to author, and between approaches.

The basic physical requirements differ in the various tonal ranges.

While requirements to become a psychiatrist differ from country to country, all require a medical degree.

Therefore, the requirements and also the salaries for professorships differ.

The structural requirements of a ship in the 19th century differed greatly from today.