Many Countries Favor Specific Religions, Officially or Unofficially
Islam is the most common state religion, but many governments give privileges to Christianity.
Restrictions on religion among the 25 most populous countries, 2007-2015
Among the world’s 25 most populous countries, Russia, Egypt, India, Pakistan, and Nigeria stand out as having the most restrictions on religion (as of the end of 2015) when both government restrictions and religious hostilities are taken into account.
Global Restrictions on Religion Rise Modestly in 2015, Reversing Downward Trend
Government restrictions on religion and social hostilities involving religion increased in 2015 for the first time in three years. Government harassment and use of force surged in Europe, as did social hostilities against Muslims.