* **Primary Sector:** ^^natural resources are extracted^^ from the land or sea
* __Ex.) forestry, fishing, mining, agriculture__
* Majority of the workforce are employed in ^^LDCs^^
* Typically low-skilled jobs and poorly paid because the value of the materials is also low
* **Secondary Sector:** the raw extracted resources are combined in the production process to make the finished goods through manufacturing, refining and construction
* __Ex.) assembly of smartphones, food processing, construction of homes__
* Employment levels increase when primary sector's employment levels increase too (since ^^more resources => more manufacturing jobs^^)
* **Tertiary Sector:** businesses provide ^^services^^ to other businesses and consumers
* __Ex.) banking, insurance, gas and electricity__
* Mainly provided to consumers
* __Ex.) hairdressers, doctors, public transport__
* ^^More developed economies => more demand for services^^