Syllabus Edition

First teaching 2025

First exams 2027

Changing employment structures (Cambridge (CIE) IGCSE Geography): Revision Note

Exam code: 0460 & 0976

Jacque Cartwright

Written by: Jacque Cartwright

Reviewed by: Bridgette Barrett

Updated on

Changing employment structure

  • Employment structures change as economies develop

    • The primary sector dominates in the pre-industrial  period, while the secondary and tertiary sectors steadily grow

    • This structure is generally found in low-income countries (LICs), as they have low-cost production and low-skilled jobs

      • As economies grow, the reliance on the primary sector for jobs begins to decline

      • LICs such as Ethiopia, Afghanistan and Madagascar are in this stage

    • During the industrial phase, employment in the secondary sector increases as manufacturing shifts from high-income countries (HICs) to emerging, low-cost economies

    • This is known as the global industrial shift

      • The primary sector continues to decrease and the tertiary sector increases

      • Medium-income countries (MICs) such as China and India have moved into this stage

    • In the post-industrial phase, the tertiary and quaternary sectors increase whilst the secondary and primary sectors decrease

      • The tertiary sector dominates employment and GDP in the post-industrial period

      • High-income countries such as Germany, Australia and the USA are in this stage

Graph showing employment trends: primary decreases, secondary peaks mid-industrial, tertiary rises post-industrial, and quaternary remains low.
The Clark-Fisher Model
  • As an economy advances, the proportion of people employed in each sector changes

  • Places like the UK and the USA are ‘post-industrial societies’, where most work in the tertiary or quaternary sectors

  • Places such as China and India are ‘industrial societies’, where many people work in the secondary sector

  • Bolivia and Mozambique are ‘pre-industrial societies’, where most people work in the primary sector

  • The Clark Fisher Sector Model above illustrates these trends, as do the examples below:

Three pie charts compare employment sectors in Germany, China, and Kenya, showing different proportions in primary, secondary, and tertiary industries.
Employment by economic sector

Examiner Tips and Tricks

You should be able to identify a country's stage of development by examining a pie chart or graph of the economic sectors.

A low-income country will be dominated by primary economic activities, an middle-income country is likely to have fairly equal amounts of each type of economic sector employment, and finally, a high-income country will be dominated by tertiary economic activities.

Causes of changes over time

  • There are several reasons for the change in percentages employed in each sector:

    • Increasing mechanisation in agriculture leads to a decrease in the number of jobs available

    • People moving to urban areas to find jobs in secondary and tertiary sectors

    • Increasing mechanisation and global changes then lead to a decrease in secondary employment in some countries  - this is known as deindustrialisation

    • Technological improvements lead to an increase in tertiary and quaternary employment

    • International corporations often set up factories in LICs where land and labour costs are lower

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Jacque Cartwright

Author: Jacque Cartwright

Expertise: Geography Content Creator

Jacque graduated from the Open University with a BSc in Environmental Science and Geography before doing her PGCE with the University of St David’s, Swansea. Teaching is her passion and has taught across a wide range of specifications – GCSE/IGCSE and IB but particularly loves teaching the A-level Geography. For the past 5 years Jacque has been teaching online for international schools, and she knows what is needed to get the top scores on those pesky geography exams.

Bridgette Barrett

Reviewer: Bridgette Barrett

Expertise: Geography, History, Religious Studies & Environmental Studies Subject Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 30 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.