Which countries have Christianity as the state religion by constitution?

Countries with Christianity as a state religion marked on blue.

Here is the list of countries that have Christianity as a state religion by constitution:

v  Monaco: Article 9 on the constitution of Monaco stated that the catholic and apostolic religion is the state religion of Monaco.

v  Malta: Article 2 on the Maltese constitution states that the catholic and apostolic religion is the state religion of Malta.

v  Samoa: In 2017, the parliament voted to add the wording of article 1 thereby making Samoa a ‘’Christian nation'’ from a secular one even though when it was secular it had a theoretical constitution in place.

v  Zambia: The constitution of Zambia declares Zambia to be a ‘’Christian nation'’ and on December 29, 1991, Frederick Chiluba two weeks after taking office declared Zambia to be a Christian nation and it wasn't until 1996 that the declaration was officially confirmed on the constitution. Zambia is the only country in sub-Saharan Africa to have this declaration.

v  Denmark: Section on the Danish constitution confirms the church of Denmark as a state establishment.

v  Greece: The Greek constitution declares eastern orthodox Christianity as a state religion and is the only country in the world to have that in place.

v  Costa Rica: Article 75 on the constitution of Costa Rica declares that the catholic and apostolic religion is the state religion of the nation. Costa Rica is the only and non-secular nation in the Americas to have that in-place and they have been debates either to maintain the status quo or officially remove state religion in place.

v  Iceland: The constitution of Iceland confirms Christianity to be a state religion.