The U.S. has designated some countries as "Countries of Particular Concern" for engaging in and tolerating "particularly severe violations of religious freedom."
They are Burma, China, Cuba, North Korea, Eritrea, Iran, Nicaragua, Pakistan, Russia, Saudi Arabia, Tajikistan, and Turkmenistan.
In addition, they designated Algeria, Azerbaijan, the Central African Republic, Comoros, and Vietnam as Special Watch List countries for engaging in or tolerating severe violations of religious freedom.