NOC 2021 · 31121 · TEER 1
Dietitians and nutritionists
Unit group 31121 of the National Occupational Classification, 2021 Version 1.0.
What this group covers
Dietitians and nutritionists assess nutrition related issues of individuals and groups and develop, implement and evaluate nutrition care plans to prevent, treat and manage disease. They manage food and nutrition service systems, and plan health promotion programs. They are employed in a variety of settings including hospitals, home health-care agencies and extended care facilities, community health centres, the food, beverage and pharmaceutical industries, educational institutions, and government and sports organizations, or they may work as private consultants.
Example job titles
As Statistics Canada publishes them. Yours may be worded differently and still belong here.
- administrative dietitian
- administrative nutritionist
- clinical dietitian
- clinical nutritionist
- community dietitian
- community nutritionist
- consultant dietitian
- consultant nutritionist
- dietetic consultant
- dietician
- dietitian
- dietitian-nutritionist
- nutrition and dietetics researcher
- nutrition consultant
- nutrition researcher
- nutrition specialist
- nutritionist
- professional dietitian (P.Dt.)
- professional nutritionist
- public health dietitian
- public health nutritionist
- registered dietitian (RD)
- registered dietitian-nutritionist (RDN)
- registered nutritionist
- registered professional dietitian
- registered professional nutritionist
- research dietitian
- research nutritionist
- therapeutic dietitian
- therapeutic nutritionist
Source: Statistics Canada — National Occupational Classification 2021 V1.0. Data current as of 13 August 2026. NOC 2021 Version 1.0. The classification is versioned rather than dated — IRCC moved to it in November 2022, and a new version would be a new classification rather than an update.