Final answer:
Saudi Arabia, the US, and Canada are the major petroleum producing countries in the world.
Step-by-step explanation:
The major petroleum producing countries of the world in order from the greatest amount to the least amount are:
- Saudi Arabia
- the US
- Canada
These countries are the top producers due to their significant oil reserves. Saudi Arabia is the largest producer, followed by the US and then Canada. Their large reserves and production capacities make them key players in the global oil market.