HR Glossary

JMHZ — occupational classification and why it matters

JMHZ — the unified classification of occupations under CZ-ISCO — is a system that determines which category each job position belongs to. The correct classification has a direct impact on wage statistics and reporting.

Definition

JMHZ (the unified methodology for classifying occupations) is the Czech implementation of the international occupational classification ISCO-08 (International Standard Classification of Occupations). Each job is assigned to one of the categories according to the nature of the work performed — from managers through technical professions to manual labor.

Why JMHZ matters:

  • Statistical reporting: the classification of occupations is in some cases used for statistical reports on wages and the structure of employment
  • Correctness of assignment: incorrect categorization can lead to distorted wage comparisons
  • Automation: modern HRIS systems can assign classification codes automatically based on the position description
lightbulb In practice

An HR manager creates a new position "Senior Data Analyst". Without system support, they have to manually look up the correct JMHZ code in the Czech Statistical Office codebook. An HRIS with AI support suggests the correct classification automatically based on the entered position title and description.

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