The country is bordered by the Red Sea in west and the Persian Gulf in east, border countries are: (Bahrain) Iraq, Jordan, Kuwait, Oman, Qatar, United Arab Emirates, and Yemen.
The country is the largest Arab state in Western Asia with a land area of more than 2 million km², making the country somewhat larger than Mexico.
Human Population: 28,571,770 (July 2017 est.)
Immigrants make up 37% of the total population, according to UN data (2017)
Population growth rate: 1.45% (2017 est.)
life expectancy at birth
total population: 75.5 years
male: 73.4 years
female: 77.7 years (2017 est.)
Health expenditures: 4.7% of GDP (2014)
Completed Studies: 254 studies
recruiting/not yet recruiting Studies: 136 studies
CIA World Factbook