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The Occupational and Skills Information System (OaSIS) provides a comprehensive framework of the skills and competencies that are usually required to work in different occupations. It also provides context for the work environment in which these occupations are performed.
This dataset provides information on 900 occupations including ratings for over 240 descriptors belonging to one of the following categories: Skills, Abilities, Personal attributes, Knowledge, Interests, Work activities and Work context. Standardized dimensions and scales were established at the category level for all categories, except Work context, for which specific dimensions and scales were adopted.
All the descriptors under Skills and Abilities have ratings attributed by proficiency level required by occupation on a scale of 1 to 5. Descriptors under Personal attributes are measured by Importance on a scale of 1 to 5. Descriptors under Knowledge are measured by the knowledge level on a scale of 1 to3. Descriptors under Interests are measured by predominance ranking of Holland Codes. Descriptors under Work activities are measured by complexity on a scale of 1 to 5. Descriptors under Work context are measured by one or two of the following dimensions:
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Frequency (1-5 scale)
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1 - Once a year or more but not every month
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2 - Once a month or more but not every week
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3 - Once a week or more but not every day
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4 - Every day, a few times per day
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5 - Every day, many times per day
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Duration (1-5 scale)
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1 - Very little time
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2 - Less than half the time
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3 - About half the time
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4 - More than half the time
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5 - All the time, or almost all the time
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Degree of responsibility (1-5 scale)
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Physical distance from others (1-5 scale)
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Degree of consequence of error (1-5 scale)
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Degree of impact (1-5 scale)
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Degree of freedom to make decisions (1-5 scale)
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Degree of freedom to determine tasks and priorities (1-5 scale)
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Degree of competition (1-5 scale)
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Degree of automation (1-3 scale)
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Work schedule (1-3 scale)
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Worked hours in a typical week (1-3 scale)
This dataset is of national relevance.
Data Dictionary
Additional Information
| Field | Value |
|---|---|
| Data last updated | January 16, 2026 |
| Metadata last updated | January 16, 2026 |
| Created | January 16, 2026 |
| Format | CSV |
| License | License not specified |
| Datastore active | True |
| Has views | True |
| Id | 88d77aae-ddf3-4e3a-bb6a-1749373cd2e5 |
| Mimetype | text/csv |
| Package id | 6c13fb94-bfe1-4e4a-81c9-dcc6a2c8fe7f |
| Position | 0 |
| State | active |