China

Owing to the encrypted message service, the Chinese government banned the use of WhatsApp alongside Skype and similar communications app.

North Korea

North Korea also follows the ban as the encryption policy of WhatsApp makes it difficult for the authorities to monitor or intercept the messages and calls of users.

 Syria

WhatsApp is banned in Syria as the government doesn't want to give any leverage to rebels to use the encryption of WhatsApp to plot protests.

Qatar

WhatsApp in Qatar cannot be used due to security reasons.

United Arab Emirates (UAE)

In Dubai, WhatsApp's video and voice calls are banned due to mainly its encryption policy.