Your nations religion

[Trungia]

60% atheist
10% Buddhist
10% Hindu
5% Muslim
4% Shinto
1% other

[Seres]

Vajrayana buddhism. Also, shinto and christianity mixed in.

[Darussalam]

We're nation founded in basic principle of Islam, and of course, our National Religion is Islam. Although we've population of Christian, Jewish, Hindu, Buddhist, Confucianist, Jainist, Shinto, even Atheist. We've freedom of religion law, but against discriminatory of any belief, even Atheist.

[Krintera]

Krintera is a secular nation though it does respect the rights of those who wish to practice such superstitions. The State does not favour any religion over any other.
The largest religious affiliation according to the last census (and several before that) have been (neo-)paganism.

The goverment is investigating a few self-proclaimed 'religious' groups under suspicion of fraud and brainwashing (this is considered a particularly vile form of slavery), but isn't that always the case.

[Equinia]

The majority of us (54%) are either atheist/agnostic, while 26% are Ponyists, 14% are Christians, and 6% are believers in other religions.

[Jukraina]

Every Jukrainian is member of the Religion of the Holy Shoe. Other religions are banned.

[Darwinistica]

Atheist Orthodoxy, members of other religions are executed for being ignorant.

[Muunilist (Ancient)]

The Federation allows freedom of religion. However practicing religion is discouraged if it, in any way, lessens ones ability to make credits.

[Great-Bohemia]

Our relogion is christianity

[Teddy Bear Republic]

Our native religious is Laltofian Paganism, but we're a secular nation now, and most people here are atheists.

[Sahsahlah]

jediism is the main religion of sahsahlah

[The Imperial Terran Republic]

The Imperial Terran Republic has 1 main belief system Naturalism.

[Grand Britannia]

Social Darwinist and Madokaist.

[Nidaria]

Nidaria's official religion is Roman Catholicism.

[Ulvena]

While the Eclipse Empire of Ulvena is officially secular, our quasi-religion/philosophy is Confucian Sol-Luna/Eclipsis Ponyism. Nearly 80% of Ulvena follow it in some way. It's a way of interaction between people under a nation's circle of influence, astrology, fortune telling, and seeking harmony with the world. There are no gods but the Royal Princesses, Celestia and Luna, are regarded as the greatest teachers in the world.

[Weleya]

Since the God-King Ibito is, in fact, a God in human form, he is obviously worshiped as such. He is one of many Gods that the Weleya worship. The only nation within the Kingdom that refuses to worship him as such are the Ma'an, who are strictly monotheistic, and worship a God which in their language is known as "The Father-Mother."

[Meridiani Planum]

What is your nations main religion?

That depends on what you consider a religion. The main belief system is secular and nontheistic philosophy called Eudaimonism. Perhaps 80% of the population are Eudaimonists. Moral communities are formed around this belief, and there are even temples built to philosophical ideals, so it is religion-like, but maybe not a religion in your book.

If not Eudaimonism, it is perhaps Epicureanism. However, the Epicureans are polydeists. They believe that gods (or god-like beings) exist in the depths of outer space, but that those gods are uninterested in the affairs of mortals such as ourselves. Praying to them gets one nothing. However, they worship the gods for what they argue are the psychological benefits of doing so.

[Estainia]

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[Wollstria]

Wumbology, followed by nepotism, laundry, puns, and ancestor worship.

[Xekliv]

There is no religion in Xekliv.

Religion in general was permanently banned after the atrocities commited by the Khighathilikh Dynasty to the Xeklivian species in the name of their god.

[Late Republican Rome]

Classical Roman Paganism, of course. Honor the Gods.

[Arkiasis]

Arkiasis is officially and constitutionally secular, and we have freedom of religion. A state religion infringes on the right to freedom of religion.

[Byzantium Imperium]

Roman Paganism; yes, it is the State Religion.

[The Republic of Pantalleria]

Well, The Republic of Pantalleria, is officially an Anglican nation, however only 75% claim to be Anglican, Protestants account for 15% but so too is Catholicism.

[The Southwestern States]

Religion is seen as primitive in my nation. 100% atheist.