Explain the occupational structure.

Occupational structure refers to the distribution of workforce among different occupations. Different occupations can be classified into three groups :
(i) Primary occupations
(ii) Secondary occupations
(iii) Tertiary occupations
(i) Primary Producers or Occupations : Those who grow natural products like crops, etc. and are mainly engaged in agriculture and allied activities.
(ii) Secondary Occupations : Those who are producing products with the help of machines like textiles, construction, etc.
(iii) Tertiary Occupations : Those who provide services like education, health services, banking, insurance, etc.
About 64 per cent population of India is still engaged in primary sector.