Appendix 5. Historical Summary of Database Content Changes

Click a file name to jump to full description and history. Note: U = content changes resulting from the data collection program; N = data elements/types/descriptors first appearing in the database; and C = any other edits made. Shaded cells indicate a file was not present in that release.

O*NET Database Content Changes 25.1 - 28.1

	Release
	25.1	25.2	25.3	26.0	26.1	26.2	26.3	27.0	27.1	27.2	27.3	28.0	28.1
Knowledge	C			U				U				U
Skills	C			U				U				U
Abilities	C			U				U				U
Education, Training, and Experience	C			U				U				U
Education, Training, and Experience Categories
Job Zones	C			U	C			U				U
Job Zone Reference
Interests	C												U
Work Values	C
Work Styles	C			U				U				U
Task Statements	U,C			U				U				U	C
Task Ratings	C			U				U				U
Task Categories
Emerging Tasks	C			U				U				U
Technology Skills	U	U	U		U	U	U		U,N		U		U
Tools Used	U	U	U		U	U	U
UNSPSC Reference		U			U
Work Activities	C			U				U				U
IWA Reference
DWA Reference	U			U
Tasks to DWAs	U,C			U				U				U
Work Context	C			U				U				U
Work Context Categories
Occupation Data	C
Alternate Titles	U,C		U	U	U	U		U	U	U		U	U
Sample of Reported Titles	U,C		U	U	U	U		U		U		U
Career Changers Matrix	C
Career Starters Matrix	C
Related Occupations							N
Content Model Reference				C	C					C		C
Occupation Level Metadata	C			U				U				U
Level Scale Anchors				C	C
Scales Reference
Survey Booklet Locations
Abilities to Work Activities
Abilities to Work Context
Skills to Work Activities				C
Skills to Work Context				C
RIASEC Keywords										N
Basic Interests to RIASEC										N
Interests Illustrative Activities										N	N
Interests Illustrative Occupations										N

O*NET Database Content Changes 22.0 - 25.0

	Release
	22.0	22.1	22.2	22.3	23.0	23.1	23.2	23.3	24.0	24.1	24.2	24.3	25.0
Knowledge	U				U				U				U
Skills	U				U				U				U
Abilities	U				U				U				U
Education, Training, and Experience	U				U				U				U
Education, Training, and Experience Categories
Job Zones	U				U				U				U
Job Zone Reference									C
Interests
Work Values
Work Styles	U				U				U				U
Task Statements	U				U				U				U
Task Ratings	U				U				U				U
Task Categories
Emerging Tasks	U				U				U				U
Technology Skills							N	U		U	U	U
Tools Used							N			U
Tools and Technology		U	U	U		U	U	U		U
UNSPSC Reference		U	U
Work Activities	U				U				U				U
IWA Reference
DWA Reference									U
Tasks to DWAs	U				U				U				U
Work Context	U				U				U				U
Work Context Categories
Occupation Data
Alternate Titles	U	U	U	U	U	U		U	U	U	U	U	U
Sample of Reported Titles	U		U	U	U	U	U	U	U	U	U	U	U
Career Changers Matrix
Career Starters Matrix
Green Occupations
Green Task Statements	U				U				U
Tasks to Green DWAs	U				U				U
Green DWA Reference
Content Model Reference
Occupation Level Metadata	U				U				U				U
Level Scale Anchors
Scales Reference
Survey Booklet Locations	N,C
Abilities to Work Activities											N
Abilities to Work Context											N
Skills to Work Activities											N
Skills to Work Context											N

O*NET Database Content Changes 16.0 - 21.3

	Release
	16.0	17.0	18.0	18.1	19.0	20.0	20.1	20.2	20.3	21.0	21.1	21.2	21.3
Knowledge	U	U	U		U	U				U
Skills	U	U	U		U	U				U
Abilities	U	U	U		U	U				U
Education, Training, and Experience	U	U	U		U	U				U
Education, Training, and Experience Categories
Job Zones	U	U	U		U	U				U
Job Zone Reference					C					C
Interests			U
Work Values		U
Work Styles	U	U	U		U	U				U
Task Statements	U,C	U	U		U	U				U
Task Ratings	U	U	U		U	U				U
Task Categories
Emerging Tasks							N			U
Tools and Technology							N	U	U	U,N	U	U	U
UNSPSC Reference							N	U			U	U
Work Activities	U	U	U		U	U				U
IWA Reference				N
DWA Reference				N	U
Tasks to DWAs				N	U	U				U
Work Context	U	U	U		U	U				U
Work Context Categories
Occupation Data
Alternate Titles							N	U	U	U		U	U
Sample of Reported Titles							N			U	U		U
Career Changers Matrix							N
Career Starters Matrix							N
Green Occupations	N
Green Task Statements	N	U	U		U	U				U
Tasks to Green DWAs				N	U	U				U
Green DWA Reference				N
Content Model Reference					N,C	N,C				N,C
Occupation Level Metadata	U,C	U	U		U	U				U,N,C
Level Scale Anchors
Scales Reference
Survey Booklet Locations	C				C

O*NET Database Content Changes 5.0 - 15.1

	Release
	5.0	5.1	6.0	7.0	8.0	9.0	10.0	11.0	12.0	13.0	14.0	15.0	15.1
Knowledge	U	N	U	U	U	U	U,C	U	U	U	U	U	C
Skills	U,N	N	U	U	U	U	U,C	U	U	U	U,C	U	C
Abilities	U,N	N,C	U	U	U	U	U,C	U	U	U	U	U	C
Education, Training, and Experience	N	N	U	U	U	U	U,C	U	U	U	U	U	C
Education, Training, and Experience Categories						C
Job Zones		N	U	U	U,C	U,C	U,C	U	U,C	U	U	U	C
Job Zone Reference						C					C
Interests	N						C			U	U		C
Work Values	N						C			U	U		C
Work Styles	N	N	U	U	U	U	U,C	U	U	U	U	U	C
Tasks	U,N	U,N,C	U,N,C	U,N,C	U,N,C	U,N,C	U,N,C	U	U
Task Statements										U,C	U	U	C
Task Ratings										U,C	U	U	C
Task Categories										C
Work Activities	U,N	N	U	U	U	U	U,C	U	U	U	U	U	C
Work Context	U,N	N	U	U	U	U	U,C	U	U	U	U	U	C
Work Context Categories						C
Occupation Data			U,C		C	C	C				C	U	C
Content Model Reference						C		C		N,C
Occupation Level Metadata		N	U	U	U	U	U,C	U	U	U	U	U	C
Level Scale Anchors		N	U		C	C
Scales Reference		C								C
Survey Booklet Locations	N									N,C