Local autonomy

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Local autonomy is a characteristic of a province, reducing its utility, introduced in version 1.8. It shows how much the current province is "tied" to the current government, and how much it really is part of the country as opposed to favoring self-rule (Although the government considers a cored province part of a nation, the local populace might not consider itself part of the government/nation).

A province at 50-60% autonomy for example, could be a province where the government has little to no power and leaves all its issues to the local populace. However, in return, that province will offer less to the government itself as shown below. Its effects make the integration of conquered provinces more gradual and offer the ruler a choice in its pace, and simulate the limits to central rule in faraway overseas provinces.

Effects[edit]

Local autonomy applies multiplicatively, rather than additively. This majorly impacts how local autonomy affects a nation. A +50% manpower boost in a 50% autonomy province would thus yield an increase of only 25%. Giving a province to an estate (requires The Cossacks.png The Cossacks expansion) results in autonomy not affecting the values associated with that particular estate

It is advised to keep autonomy at a low point, as the negative modifiers get worse over time added together with buildings or ideas, since these are additive as well. Autonomy especially affects tax base, because of the multiple additive percentage modifiers affecting tax.

Each percentage point of local autonomy has the following effects on the province:[1]

Multiplicative effects:

Local manpower modifier.png −1.0% Local manpower modifier
Local sailors modifier.png −1.0% Local sailors modifier
Local tax modifier.png −1.0% Local tax modifier
Local production efficiency.png −1.0% Local production efficiency
Local trade power.png −0.5% Local trade power
Land force limit modifier.png −1.0% Land force limit modifier
Naval force limit modifier.png −1.0% Naval force limit modifier

Additionally:

Province warscore cost.png −0.33% Province warscore cost[2]

The effect of autonomy on province warscore cost is added after all positive warscore cost modifiers are added.

Initial autonomy[edit]

When annexing a province, its autonomy level will be set to a fixed amount, unless it is already at a higher level:

  • Diplomatic annexation of a subject: 60% on provinces the overlord has no pre-existing core on
  • Conquest of a province the conquering nation does not have a claim on: 50%
  • Conquest of a province the conquering nation has a claim on: 40%
  • Reconquest of a province the conquering nation has a core in: 0%
  • Inheriting a kingdom through personal union: 0%

A nation's capital province will always have a local autonomy of 0%.

Minimum autonomy[edit]

In some cases, a province will have a minimum autonomy. Local autonomy can never be lower than:

  • 25% for a province granted to an estate (except the Tribes).
  • 50% for a province granted to the Tribes estate.
  • 50% for a province in a state with only a territorial core.
  • 75% for a province in a territory, unless in a trade company.

In provinces with a minimum autonomy modifier, there is also a “hidden” level of autonomy that could be lower. This “hidden” autonomy declines over time, although it is not displayed in the game. For example, the player conquers a province where the player has a claim, and the provinces initial autonomy (before conquering) was below 40%. Since the player has a claim on that province, real (but “hidden”) autonomy is set to 40%. But if the province is a territory, its minimum autonomy will be 75%.

NB: If the player chooses to raise autonomy while the province is still a territory, from 75%100% then the virtual autonomy will be raised to 100% too! If the player waits until the province is cored and made a state, its minimum autonomy floor will be removed, lowering the province autonomy to its virtual value, which is either 40% if there is a claim, and 50% if there isn't a claim. Now the player can raise autonomy to 65%/75% without suffering an extra +25% autonomy unspoken "penalty", the same principle applies if a province is owned by a state.

Changing autonomy[edit]

If the local autonomy of a province is currently 75% or lower, the province owner may increase its local autonomy level by +25% in exchange for -10 unrest. Local autonomy can also be decreased by -25% at the cost of +10 unrest provided it's not below 10% autonomy. The decision to change autonomy levels will be in effect for 30 years, during which time the autonomy cannot be actively adjusted again. This cooldown may be reduced by 50% with the ‘Efficient Autonomy’ ability during the Age of Absolutism.png ‘Age of Absolutism’. (Note: Ongoing cooldowns are not affected.)

Monthly factors that can change autonomy include:

Autonomy.png Government Type
Duchy rank Kingdom rank Empire rank
-0.200
  • Government monarchy.png Revolutionary Empire
  • Government republic.png Revolutionary republic
-0.050 -0.075 -0.100
  • Government monarchy.png Absolute monarchy
  • Government monarchy.png Constitutional monarchy
  • Government monarchy.png Enlightened Despotism
  • Government republic.png Constitutional republic
  • Government republic.png Bureaucratic Despotism
-0.050
  • Government republic.png Colonial government
-0.025 -0.050 -0.075
  • Government monarchy.png English monarchy
  • Government republic.png Administrative republic
  • Government republic.png Republic Dictatorship
  • Government republic.png Dutch republic
-0.050
  • Government theocracy.png Papacy
0 -0.025 -0.050
  • Government monarchy.png Administrative monarchy
  • Government monarchy.png Elective monarchy
  • Government monarchy.png Iqta
  • Government republic.png Ambrosian republic
  • Government republic.png Oligarchic republic
0 0 -0.025
  • Government monarchy.png Despotic monarchy
  • Government monarchy.png Feudal monarchy
  • Government republic.png Merchant republic
  • Government theocracy.png Theocracy
Autonomy.png Trigger
-0.10 Peace
+0.01 Scorched earth
+0.20 Bankruptcy


Autonomy.png Traditions Ideas Bonuses Policies
−0.05 monthly
  • Ethiopian traditions
  • Economic idea 5: Centralization
  • Aragonese idea 6: Reforming the Administration
  • Betsimisaraka idea 4: Gifts & Hostages
  • Dithmarscher idea 6: Ecclesiastical Orders
  • Garhwali idea 1: Legacy of the 52 Gahrs
  • Hatakeyama idea 5: Wakae Castle
  • Imerina idea 1: Unify the Inland Kingdoms
  • Kikuchi idea 6: Three Chief Retainers
  • Kono idea 4: Yuzuki Castle
  • Mossi idea 4: The Nakomse
  • Diplomatic-Economic: The Dissolution Act
  • Espionage-Expansion: The Black Chamber Act
−0.025 monthly
  • Aristocratic idea 3: Local Nobility

Completing missions and some events can also give adjustments to local autonomy.

Further, some actions can directly affect the autonomy of a province:

Type Effects
Peasant, particularist, noble, pretender, or heretic rebels successfully sieging a province Autonomy.png+10 autonomy
Non-enforcement of Ordinances Autonomy.png+15 autonomy
Accepting the demands of peasant, noble, heretic, ronin, or ikko-ikki rebels Autonomy.png+20 autonomy in all provinces
Accepting the demands of particularist rebels Autonomy.png+30 autonomy in all provinces
Granting a province to an estate Autonomy.png autonomy will be minimally set to 25%

Footnotes[edit]

  1. See in /Europa Universalis IV/common/static_modifiers/00_static_modifiers.txt (Static modifiers#Local autonomy).
  2. See in /Europa Universalis IV/common/defines.lua: AUTONOMY_WARSCORE_COST_MODIFIER = 0.33, -- How much autonomy reduces score by (at 1, 50% autonomy = 50% reduction)
Province mechanics
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