Although it is true, excluding Israel and Turkey, that Iran is the Middle Eastern country with the most Jews;
"According to the latest Iranian census, the remaining Jewish population of Iran was 8,756 in 2012, while the number of crypto-Jews, [Jews who feel they need to hide their identity] is unknown."
According to "Encyclopedia Iranica," the total Jewish population in Iran is 25,000.
The following excludes the 500-700,000 Arabs who mostly fled Israel and then began calling themselves Palestinians. Today they are between 4-7 million, depending on whose numbers you believe. Apparently, the most accurate records indicate about 4.5 million. The 1.8 million Arabs referred to below are Israeli citizens.