Saudi Arabia
I believe there are more than 4 , however, 4 of them are Saudi Arabia, Iraq, Kuwait and Bahrain.
The Republic of Azerbaijan ,Turkey Iraq,Kuwait.
Saudi Arabia is more wealthy as it has more oil fields, but Dubai has a higher per capita wealth.Dubai is not a country it is an emirate within the United Arab Emirates and Saudi Arabia is more wealthy than all of the UAE put together.
Iran has more than twice the population of Iraq, which is about half-again as populous as Syria. Saudi Arabia looks big on the map, but has somewhat fewer people than Iraq.
Saudi Arabia
Saudi Arabia
Saudi Arabia, i think ^_^
Egypt Saudi Arabia Yemen Libya and many more
MEDC (More Economically Developed Country): Japan, Australia LEDC (Less Economically Developed Country): Argentina, Mexico, Russia, Brazil, Saudi Arabia
Saudi,Arabia,and Mexico.
Yes, US citizens need a transit visa for Saudi Arabia if they are transiting through the country for more than 12 hours.