Best civics in Stellaris 4.5.2, by goal

1. 1IntrospectiveCivic · Machine Intelligences · +20% Research Speed ( Engineering)+6.7%
2. 2Hyperspace CalculationsCivic · Machine Intelligences · +15% Research Speed ( Physics)+5%
3. 2Hyperspace SpecialtyCivic · Regular empires · +15% Research Speed ( Physics)+5%
4. 2Hyperspace SynchronicityCivic · Hive Minds · +15% Research Speed ( Physics)+5%
5. 2Hyperspace TradeCivic · Megacorporations · +15% Research Speed ( Physics)+5%

How it's counted: All research speed % + researcher output % (researcher workforce, researcher jobs) + (physics, society and engineering speed %, and physicist, biologist and engineer workforce %) ÷ 3. One-category bonuses are listed, not added. Every source of research →

1. 1Inward PerfectionCivic · Regular empires · +20% Monthly Unity+20%
2. 2Brand LoyaltyCivic · Megacorporations · +15% Monthly Unity+15%
3. 2One MindCivic · Hive Minds · +15% Monthly Unity+15%
4. 2Unitary CohesionCivic · Machine Intelligences · +15% Monthly Unity+15%
5. 5Beacon of LibertyCivic · Regular empires · +10% Monthly Unity+10%
6. 5Divine SovereignCivic · Regular empires · +10% Monthly Unity+10%

How it's counted: Unity output % of the whole empire, of all jobs and of bureaucrats (workforce %), added. Every source of unity →

1. 1Cultivation DronesCivic · Hive Minds · +10% Resources from Jobs+10%
2. 1Gardening ProtocolsCivic · Machine Intelligences · +10% Resources from Jobs+10%
3. 1Geo-Engineering Inc.Civic · Megacorporations · +10% Resources from Jobs+10%
4. 1PlanetscapersCivic · Regular empires · +10% Resources from Jobs+10%
5. 5Aristocratic EliteCivic · Regular empires · +10% Job Efficiency for Elites+3.3%
6. 5Corvée SystemCivic · Regular empires · +10% Worker Pop Resource Output+3.3%
7. 5MeritocracyCivic · Regular empires · +10% Specialist Pop Resource Output+3.3%

How it's counted: All jobs' output % and all pops' workforce % in full, plus one stratum's output or workforce % (workers, specialists, rulers) ÷ 3. Every source of job output (workforce) →

1. 1Rapid ReplicatorCivic · Regular empires · +20% Mechanical Pop Assembly Speed+20%
2. 1Rapid ReplicatorCivic · Machine Intelligences · +20% Mechanical Pop Assembly Speed+20%
3. 3Cultivation DronesCivic · Hive Minds · +10% Pop Growth (or Assembly) Speed+10%
4. 3Gardening ProtocolsCivic · Machine Intelligences · +10% Pop Growth (or Assembly) Speed+10%
5. 3Geo-Engineering Inc.Civic · Megacorporations · +10% Pop Growth (or Assembly) Speed+10%
6. 3Inward PerfectionCivic · Regular empires · +10% Pop Growth (or Assembly) Speed+10%
7. 3PlanetscapersCivic · Regular empires · +10% Pop Growth (or Assembly) Speed+10%

How it's counted: Pop growth and assembly %: logistic growth, founder species growth, bonus growth and pop assembly, added. Every source of pop growth →

1. 1Shared BurdensCivic · Regular empires · +5 Stability+5
2. 2Police StateCivic · Regular empires · +3 Stability+3

How it's counted: Stability added to every planet (planet_stability_add). Every source of stability →

1. 1Fanatic PurifiersCivic · Regular empires · +33% Ship Fire Rate+33%
2. 2Determined ExterminatorCivic · Machine Intelligences · +25% Ship Weapons Damage+25%
3. 3Distinguished AdmiraltyCivic · Regular empires · +10% Ship Fire Rate+10%
4. 3Great Khan's LegacyCivic · Regular empires · +10% Ship Fire Rate+10%
5. 5Crusader SpiritCivic · Regular empires · +5% Ship Weapons Damage+5%
6. 5Stalwart NetworkCivic · Machine Intelligences · +10% Home Territory Fire Rate+5%

How it's counted: Fire rate % + weapon damage % of every ship, added (home-territory-only fire rate counts half). Every source of fleet power →

1. 1Pyromanic InstinctCivic · Hive Minds · +50% Naval Capacity+50%
2. 1Scorched World HeraldsCivic · Regular empires · +50% Naval Capacity+50%
3. 3Determined ExterminatorCivic · Machine Intelligences · +33% Naval Capacity+33%
4. 3Devouring SwarmCivic · Hive Minds · +33% Naval Capacity+33%
5. 3Fanatic PurifiersCivic · Regular empires · +33% Naval Capacity+33%
6. 6Citizen ServiceCivic · Regular empires · +15% Naval Capacity+15%
7. 6DiadochusCivic · Regular empires · +15% Naval Capacity+15%
8. 6Naval ContractorsCivic · Megacorporations · +15% Naval Capacity+15%
9. 6Subspace EphapseCivic · Hive Minds · +15% Naval Capacity+15%

How it's counted: Naval capacity %. Every source of naval capacity →

1. 1Private ProspectorsCivic · Megacorporations · -15% Empire Size from Systems, -25% Empire Size from Colonies-40%
2. 2Beacon of LibertyCivic · Regular empires · -10% Empire Size from Pops-10%
3. 2OTA UpdatesCivic · Machine Intelligences · -10% Empire Size from Pops-10%
4. 2Subsumed WillCivic · Hive Minds · -10% Empire Size from Pops-10%

How it's counted: Empire size % from every source, added — lower is better (less sprawl penalty). Every source of empire size →