While interior design industry jobs are small in number they are large in stature with the long educational and apprenticeship times totaling seven years before license granting in many states. Interior designers held about 71,700 jobs in the U.S. in 2008.

Approximately 30 percent of the total interior designers worked in specialized artisan design services. In addition, almost 14 percent of interior designers provided design services in landscape and architectural service houses with 9 percent working in furniture and home-improvement stores. A number of the newly certified interior designers also performed freelance work in addition to their holding a salaried job in interior design or another related field of endeavor.

Optional certifications in residential kitchen and bath design are both available from the National Kitchen and Bath Association as these specialties represent the two top business areas in the residential part of the interior design industry. The National Kitchen and Bath Association offers several different levels of designer certification for kitchen and bath, each level achieved through attendance at training seminars followed by certification examinations.

A Beginning Miami Interior Designer will receive on-the-job training and normally need 1 to 3 years of training before they can advance to higher level positions and as much as 3 to 5 years total depending on the length and type of formal instruction and education they have preliminarily had in the field.