The level of Iran’s demonstrations surprised demonstration organizers, say U.S. officials. Yemen, Bahrain and Iran (not necessarily in that order) are in a separate category from the rest of the Middle East nations. The protests are less widespread or more likely to be put down by brutal state security forces, officials say. The next time to look for widespread demonstrations: March 21, the Iranian New Year, known as Nowruz. Libya, Syria, Algeria and Algeria face brutal repression, which the populace well knows.
Source: https://thehackernews.com/2011/02/yemen-bahrain-iran-could-be-next-egypt.html