Religion

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This article is considered accurate for the current version of the game.

For information on individual religions, see religions and denominations. For religious events, see religious historical events.
Religion interface

The religion that a country follows and how tolerant it is of other faiths is of paramount importance. Religion will have an effect on diplomatic actions and countries of mutually accepted religions have a better chance of reaching agreements with each other. Tolerance is also connected to the risk of revolt inside a country. Provinces of non-tolerated religions are more likely to revolt. As the empire builder, you have some control over things by having the option to change your state religion. You need to make religious decisions that may impact your internal and external religious relations, and, of course, you can send missionaries to convert infidel or heretic provinces to your country's state religion.

Religion map[edit]

Religion by province in 1444

Religious unity.pngReligious unity[edit]

Religious unity is the percentage of a country's tax base provided by provinces that follow the state religion or a positively tolerated heretic or heathen religion.

  • Provinces of the state religion always contribute 100% unity regardless of tolerance.
  • Provinces of a heretic or heathen religion contribute a percentage determined by how tolerated they are.

The effects of tolerance on religious unity per province are as follows:

Tolerance Contribution
Negative Tolerance +0%
0 +25%
1 +50%
2 +75%
3 +100%

Religious unity directly affects national unrest and stability cost as follows:

  • National unrest: +0.02 for each percentage of religious unity below 100%
  • Stability cost: +1% for each percentage of religious unity below 100%

Ideas and policies which increase religious unity:

Religious unity.png Traditions Ideas Bonuses Policies
+50%

Bengali idea 1: Bengali Hindu-Sufi Syncretism
Gujarati idea 1: Garba!
Indian Sultanate idea 1: Tolerate the Idol Worshipers
Jaunpuri idea 3: Sants and Sufis
+35%

Mughal idea 1: An Indian Padishah
+33%

South Indian traditions
+25%

Bosnian traditions
Granadan traditions
Papal traditions
Punjabi traditions
Saxon traditions
Humanist idea 1: Tolerance
Bahmani idea 2: Legacy of Gisu Daraz
Permian idea 6: Komi Tolerance
+20%

American traditions
Ayutthayan traditions
Vijayanagar traditions
Javan idea 1: Candi Shrines
Karamanid idea 6: Home of the Whirling Dervishes
Swiss idea 5: Swiss Tolerance.
Taungu idea 3: Nat Worship
West African idea 4: Ancestors and Crescent
Defensive-Religious: Edict of Expulsion
Humanist-Aristocratic: Enlightened Aristocracy
Religious-Diplomatic: Policy of Calculated Delay
Religious-Offensive: The Anti-Heresy Act
+15%

Smolenskian idea 1: Smolenskian Resolve
+10%

Central Indian idea 2: Tribal Religion
Pueblo idea 6: Clown Societies
Exploration-Religious: Colonial Restrictions

Tolerance[edit]

Countries have three tolerance values. These tolerance values are national, but have provincial effects depending on the province's religion, relative to the state religion.

Each point of positive tolerance gives:

  • Local revolt risk.png –1 Local unrest

Each point of negative tolerance gives:

  • Local revolt risk.png +1.25 Local unrest
  • Local tax modifier.png –10% Local tax modifier
  • Goods produced nationally.png –10% Goods produced

Note that Hungary and United States of America have national ideas which remove all penalties for having negative tolerance.

Tolerance own.pngTolerance of the true faith[edit]

This refers to the state religion. For example, if the state religion is Catholic, Catholic provinces will use this tolerance value. The base value of Tolerance of the True Faith is +3, and there is no maximum value.

Ideas and policies that affect tolerance of the true faith:

Tolerance own.png Traditions Ideas Bonuses Policies
+3

Byzantine traditions
+2

Lan Xang traditions
Romanian traditions
Tapuian traditions
Danish idea 7: Religious Freedom is Atheism
Fulani Jihad idea 5: Islamic Scholarship
Hejazi idea 1: Custodian of the Two Holy Cities
Mossi idea 6: Honoring the Masks
Najdi idea 7: Enforce Tawhid
Papal idea 1: Ecclesiastical Primacy
Pueblo idea 6: Clown Societies
Songhai idea 6: Sharia
+1

Religious idea 5: Devoutness
Croatian idea 4: Antemurale Christianitatis
Kanem Bornuan idea 4: House of Kanem
Kievan idea 5: Center Of Orthodox Church
Montenegrin idea 2: Metropolitanate of Montenegro
Ruthenian idea 7: Birth of Russian Orthodoxy
Swahili idea 3: Great Mosque of Kilwa
Teutonic idea 7: One State, One Religion
Theodorian idea 7: Cave Monasteries
Welsh idea 7: Welsh Church

Tolerance heretic.pngTolerance of heretics[edit]

This refers to different religions within the same religious group. For example, if the state religion is Catholic, the religion group is Christian, and provinces that are Protestant, Reformed, Coptic, or Orthodox will use this tolerance value. The base value of Tolerance of heretics is –2. The possible maximum value is +3.

Ideas and policies that affect tolerance of heretics:

Tolerance heretic.png Traditions Ideas Bonuses Policies
+4

Lithuanian traditions
+3

Bosnian traditions Humanist idea 3: Ecumenism
Bohemian idea 1: Compacta of Prague
Dutch idea 5: Embrace Humanism
Knights Hospitaller idea 5: Ecumenical Defenders of Christendom.
Saxon idea 4: Wittenberg University
Polish ambitions
+2

Burgundian idea 6: Allow Freedom of Worship
French idea 7: Liberté, Égalité, Fraternité
Kazani idea 1: Steppe Tolerance
Pomeranian idea 4: Religious Freedom
Ruthenian idea 2: Foreign Influences
Palatine ambitions Religious-Plutocratic: The Tolerance Act
+1

Albanian idea 6: Albanian Tolerance
Arawak idea 4: Tribal Tolerance
Circassian idea 7: Religious Flexibility
Prussian idea 7: Religious Toleration
Tibetan idea 4: The Way of Virtue
Vijayanagar idea 4: Tolerance

Heretic conversion events[edit]

Tolerance of heretics of ≥ 2 will allow provinces to randomly convert to those heretic religions. The median time to happen is 5000 months, lowered by Innovative Ideas and having a neighboring province with the new religion while increased by having the Theocracy government type. Provinces with the "Religious Zeal" modifier will not recieve these events at all.

A province is more likely to convert via event to a particular religion if a neighboring province has that religion. Adjacency is not required for most conversions. However, the following conversions only occur if a neighboring province has the new religion:

  • Orthodox <-> other Christian
  • Buddhism, Shinto -> Confucianism

In addition, only Japanese-culture provinces can convert to Shinto.

Tolerance heathen.pngTolerance of heathens[edit]

This refers to religions of other religious groups. For example, if the state religion group is Christian, provinces that are of Muslim, Eastern, or Pagan religious groups will use this tolerance value. The base value of Tolerance of heathens is -3. The possible maximum value is +3.

Ideas and policies that affect Tolerance of heathens:

Tolerance heathen.png Traditions Ideas Bonuses Policies
+3

Bahmani traditions
Bengali traditions
Gujarati traditions
Indian Sultanate traditions
Jaunpuri traditions
Humanist idea 7: Humanist Tolerance
Granada idea 1: People of the Book
Mughal idea 1: An Indian Padishah
Ottoman idea 1: Ottoman Tolerance
Siddi idea 1: Goma
+2

Javan traditions
Kazani traditions
Malian traditions
Permian traditions
Punjabi traditions
French idea 7: Liberté, Égalité, Fraternité
Guarani idea 4: Jesuit Conversions
Malayan idea 2: Sufi Legacy
Omani idea 3: Association With Unbelievers
+1

Albanian idea 6: Albanian Tolerance
Circassian idea 7: Religious Flexibility
Tibetan idea 4: The Way of Virtue
Vijayanagar idea 4: Tolerance
Humanist-Exploration: Native Assimilation Act

Become Defender of the Faith.png Defender of the Faith[edit]

Each Christian or Muslim denomination can have one Defender of the Faith. It costs 500 gold for a country to claim the title of Defender of the Faith. Being Defender of the Faith gives the following modifiers:

Countries automatically call the Defender of the Faith of their religion to arms if attacked by a nation of another religion. The Defender of the Faith loses the title, but no prestige, if they refuse or lose the war.

Missionaries.pngConversion[edit]

Province conversion[edit]

The most common way to convert provinces is the use of missionaries, but there are also several other methods.

Missionaries[edit]

Missionaries are envoys that can convert a province to a nation's official religion. Missionaries slowly convert provinces over time: each month, the effective missionary strength in that province is added as ongoing progress, and when it reaches 100% the province is converted. If strength is insufficient, the province will never convert (although the missionary will not lose progress). There is a 0.42 gold/month cost per active missionary, and a province being converted will have +6% local unrest.

Each country has 1 missionary by default. More can be obtained through the following:

Missionaries.png Traditions Ideas Bonuses Policies
+1

Divine traditions
Spanish traditions
Religious idea 2: Missionary Schools
Ajuuraan idea 3: Gareen Imams
Circassian idea 4: Franciscan Missionaries
Fulani Jihad idea 1: Wandering Scholars
Najdi idea 2: Hanbali School
Teutonic idea 6: Promote Prussian Bishops
Najdi ambitions
  • +1 missionary from being Defender of the Faith (Christian or Muslim only)
  • The following triggered modifiers award more missionaries:
    • +1 missionary from being Christian and owning Mecca.
    • +1 missionary from being Christian or Muslim and owning Judea/Jerusalem.
    • +1 missionary from being non-Catholic and owning Rome.
    • +1 missionary from being Orthodox and owning and converting Rome, Constantinople, Aleppo, Judea/Jerusalem, and Alexandria.
  • +2 missionaries from joining the Counter-Reformation (Catholics only)

Missionary strength.pngMissionary strength[edit]

Base missionary strength is 2% at full funding, scaling down to 0% at no funding. Modifiers that increase strength include:

  • Advisors: +2% from an Inquisitor advisor
  • Stability: +0.5% for each point of positive stability
  • Piety: Up to +3% for Muslim states that are pious
  • Patriarch Authority: Up to +2% for Orthodox states that have Patriarch Authority.
  • Buildings: +0.1% for each fort level in a province, +3% for a Cathedral
  • Decisions: A number of national decisions increase (or decrease) missionary strength.
  • Events: Many events give a temporary bonus (or penalty) to missionary strength.
  • Province's current religion: +2% in pagan provinces.
  • Holy Roman Empire: +1% for being the dominant religion in the Holy Roman Empire
  • Converting religions through the Religion tab gives a +10% "Religious Zeal" bonus for ten years, but only to converting heretics, not heathens.
  • Several ideas also affect missionary strength:
Missionary strength.png Traditions Ideas Bonuses Policies
+5.0%

Najdi traditions
+3.0%

Religious idea 4: Divine Supremacy
Byzantine idea 7: Restore the Ecumenical Patriarch
Colonial idea 3: Religious Outposts
+2.0%

Armenian idea 1: Apostolic Church
Austrian idea 5: Edict of Restitution
Bavarian idea 4: Establish the Geistlicher Rat
Divine idea 4: Let No Man Tolerate the Witch
Javan idea 3: Dharmasastra
Kanem Bornuan idea 4: House of Kanem
Moldavian idea 5: Moldavia Metropoly
Palatinate idea 5: Heidelberg Catechism
Savoyard idea 4: Crush the Vaudois
Spanish idea 2: Spanish Inquisition
Sumatran idea 2: Porch of Mecca
Teutonic idea 4: Assume Religious Authority
+1.0%

Ajuuraan traditions
Lan Xang traditions
Tibetan traditions
Air idea 7: Ineslemen Teachings
Arabian idea 4: Spreading the Prophet's Word
Athenian idea 6: Preserve Archbishop of Athens
Breton idea 4: Breton Catholicism
Ethiopian idea 5: The Ark of the Covenant
Fulani Jihad idea 3: Fulani Jihads
German idea 5: Cuius Regio, Eius Religio
Hejazi idea 6: Hajj
Khivan idea 4: Djuma Mosque
Kievan idea 5: Center Of Orthodox Church
Novgorod idea 2: City of Churches
Religious-Aristocratic: The Witchcraft Act
Religious-Diplomatic: Policy of Calculated Delay
Religious-Espionage: Enforce Religious Law
Religious-Trade: Religiously Sponsored Guilds

In addition, a few ideas specifically affect missionary strength when converting heretics, but have no effect when converting heathens.

Global heretic missionary strength.png Traditions Ideas Bonuses Policies
+3%

Religious-Offensive: The Anti-Heresy Act
+2%

Religious idea 7: Inquisition
Bulgarian idea 2: Root Out the Heresies
Finnish ambitions
+1%

Kievan traditions Welsh idea 7: Welsh Church


Things that decrease this speed include:

  • Province's current religion: -2% in Coptic, Muslim and Shinto provinces.
  • Province's current religion: -1% in Orthodox and Sikh provinces.
  • Culture: -2% for non-accepted cultures.
  • Provincial tax income: -0.5% for each point of a province's base tax.
  • Rome, Mecca and the initial Sikh province (historically Punjab, but in-game potentially any Indian province) get a special -5% Religious Center modifier.

Centers of reformation[edit]

The first three nations to convert to Protestant and the first three to convert to Reformed have a random province designated as a Center of Reformation. These centers of reformation will automatically convert nearby provinces to their religion, unless they are conquered and converted to a different faith. Provinces converted by a center of reformation get the -8% religious zeal modifier to missionary strength in that province for several years. Missionaries can work in the same province that is being converted by a center of reformation. Each center of reformation can only convert one province at a time.

National conversion[edit]

There are several different ways a country may change religion.

By decision[edit]

Catholic, Protestant and Reformed Christians can convert among each other through the Religions tab once the Reformation starts. Hindu and Sikhs may similarly interconvert once Sikhism is unlocked.

Conversion is also possible through decision: with the Sword and Crescent DLC, Sunni and Shiite (but not Ibadi) Muslims may convert to the other denomination if both their capital and the majority of their provinces follow the other denomination. Japanese daimyos - but not Japan itself - may convert to Catholicism by decision if the majority of their territories are Catholic; this can happen following certain events in the 16th century.

Countries of other religions cannot convert peacefully, but can change religion due to warfare or rebels.

By event[edit]

Pagans undergoing Westernization get events to convert to Christianity if they have neighbors of the appropriate denomination. Kongo has a special event chain to convert to Catholicism.

Forcing religion[edit]

A nation can force a heretic country to change their state religion by requesting it in a demand at the peace menu, if having declared war with certain casus belli. Doing so will require half the war score as annexing the nation outright unless using the religious conformance CB (unique to the Holy Roman Emperor against HRE members), which decreases it by a further 25%.

Enforcing religion[edit]

Once the religion of the Holy Roman Empire has been locked, the emperor can request a prince to change their state religion depending on their opinion of the Emperor. Similarly to when forcing a religion of an enemy country, the prince has its capital converted while the rest of the provinces remained unaffected.

Rebel conversion[edit]

Nations can support religious zealots in enemy countries. These rebels convert a province's religion to the one they represent when occupation is achieved.

Supporting religious zealots is only possible if the desired religion is present in the target nation and is the likely rebel type in a province with a revolt risk above 0. If there are no such provinces in the target nation, one way to achieve it is to sell the target a province of the correct religion.

Generally the nation will be able to overpower the rebels if left to its own devices, so it is critical to support them militarily. This can be done by declaring war against the target nation using the "Support Rebels" casus belli.

A nation that is broken by religious rebels from the same religious group, or that accepts their demands, will convert to the rebels' religion provided that the rebels' religion is the majority religion. For most countries, giving in to religious rebels is the only way to change religious group.

Strategy[edit]

  • Base missionary strength is very small compared to modifiers, both positive and negative. This means that conversion will usually either be very fast or impossible. Religious Ideas is often essential for any serious conversion work.
  • Provinces that do not have the state religion generally suffer from lower tolerance, and also lower the country's Religious Unity at the same time. Therefore, countries with large amounts of wrong religion provinces will have to choose between two main ways of dealing with them- high tolerance, or conversion. There are represented by the Humanist and Religious idea groups respectively.
Province mechanics
Management
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