TABLE 5.2

Key Concepts and Occupational Groups per Hierarchical Level for Some National Occupational Classification Systems

System

Key Concepts

Number of Occupational Groups Per Level in Hierarchy (broadest level to most discrete level)

ISCO-88

Job

0

28

116

390

Skill level

 

 

 

 

Skill specialty

1

 

 

 

Australia

Job

8

52

282

1,079

Skill level

 

 

 

 

Skill specialty

 

 

 

 

Netherlands

Job

5

43

121

1,211

Skill level

 

 

 

 

Skill specialty

 

 

 

 

Main task

 

 

 

 

Specific skills

 

 

 

 

United Kingdom

Job

9

22

77

371

Skill level

 

 

 

 

Skill specialty

 

 

 

 

Canada

Job

10

26

139

522 (NOC)

Skill level

(NOC)

(NOC)

(NOC)

514 (SOC)

Skill type

10 (SOC)

47 (SOC)

139 (SOC)

 

 

Major work performed

 

 

 

 

NOTE: Canada employs two slightly different classification structures; see appendix for details.

groups at the top of the hierarchy, and 26 to 52 groups at the next level. In all cases but one, nations have developed systems with more units at the lowest level than are found in ISCO-88. Some of these nations have tried to be closely compatible to ISCO-88 and others have revised their existing systems, by using classification principles modeled on ISCO-88 or reasonably similar to those principles.

Elias (1993) and Wootton (1993) drew some lessons for the United States based on their experiences with and review of these



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