Saudi Arab state in Western Asia constituting the bulk of the Arabian Peninsula. With a land area of approximately 2,150,000 km2 (830,000 sq mi), Saudi Arabia is geographically the fifth-largest state in Asia and second-largest state in the Arab world (after Algeria).
Saudi Arabia is bordered by Jordan and Iraq to the north, Kuwait to the northeast, Qatar, Bahrain, and the United Arab Emirates to the east, Oman to the southeast, and Yemen to the south. It is the only nation with both a Red Sea coast and a Persian Gulf coast, and most of its terrain consists of arid inhospitable desert or barren landforms.
Saudi Arabia's command economy is petroleum-based; roughly 75% of budget revenues and 90% of export earnings come from the oil industry. It is strongly dependent on foreign workers with about 80% of those employed in the private sector being non-Saudi. Among the challenges to Saudi economy include halting or reversing the decline in per capita income, improving education to prepare youth for the workforce and providing them with employment, diversifying the economy, stimulating the private sector and housing construction, diminishing corruption and inequality.
The approach taken in the Saudi education system has been accused of encouraging Islamic terrorism, leading to reform efforts scientific research related to pathology disease and a numerous list of pathology journal is working for the sciecntific development inthe feild related to blood science. Following the 9/11 attacks, the government aimed to tackle the twin problems of encouraging extremism and the inadequacy of the country's university education for a modern economy, by slowly modernise the education system through the "Tatweer" reform program. In today era research are are more going in blood related disease.