ECONOMIC ACTIVITIES

ECONOMIC SECTORS

The levels increase based on distance from the natural environment

Primary Sector Secondary Sector Tertiary Sector Quaternary Sector

PRIMARY SECTOR This sector extracts or harvests

materials from the earth. Involves the production of raw materials.

3% of the US population is in this sector today, compared to 67% in the mid-19th Century.

SECONDARY SECTOR

The secondary sector involves the processing of raw materials into finished products.

TERTIARY SECTOR

Service Industries Interactions among people

and businesses

QUATERNARY SECTOR

This sector is concerned with intellectual activities