The Dictionary of Occupational Titles, widely known as D-O-T or DOT is United States Department of Labour publication

The D-O-T helped employees, government officials, and workforce development professions define more than 13,000 different types of work in between 1938 and the late 1990s.


Job analysts visited thousands of US worksites and observed and recorded various types of work and the skills and tasks involved in a particular type of work

Based on these observations and documentations, over 13,000 different types of work were defined in over six decades.

 It was a very innovative concept in its early years and the information is still used today in settling EEO and Workers Compensation claims. 

Some examples of the types of work defined in the DOT are – lifting 20 pounds or more, walking more than 5 miles a day, seeing at a distance, working in a noisy environment, etc.

With the advent of the internet, the DOT was rendered obsolete and an online database was developed. This database takes input from people who have direct experience of working in each occupation. The database is called O*NET – Occupational Information Network. The last version of DOT was published by the US Government in March 1999. Since then, commercial publishers are publishing reprints with updated information.

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