The official currency of Saudi Arabia is Riyal (code: SAR).
Saudi Arabia is located in Middle East.
Estimated population (2010): 27,136,977
Saudi Arabia has an oil based economy (more than 18% of the world's proven petroleum reserves is located in Saudi Arabia). Saudi Arabia is the largest exporter of petroleum in the world, and plays a leading role in OPEC. Almost all of Saudi government revenues come from the petroleum sector. Petroleum sector in Saudi Arabia has a big advantage compared to other countries, because petroleum in Saudi Arabia is close to the earth's surface and is far cheaper and thus far more profitable to extract.