Technology & Advances System

Summary at a glance

Goal: Progress through historical ages by adopting advances that transform your nation.

Do this first:

  • Build universities early (+0.2 advance points/month each)
  • Focus on economic advances first (Double-Entry Bookkeeping, Manufacturing)
  • Prioritize institution embrace in capital and major cities

Pitfall to avoid: Ignoring literacy is the #1 reason for slow advance adoption. Build schools and universities early.

EU5 replaces EU4's traditional tech system with an era-based Advances system. Instead of spending monarch points, you progress through historical ages, unlocking advances that transform your nation.

How Advances Work

The Six Ages

  • Age of Traditions (1337-1450): Basic medieval mechanics
  • Age of Renaissance (1450-1530): Cultural flowering, improved buildings
  • Age of Discovery (1530-1600): Exploration, colonization, global trade
  • Age of Reformation (1600-1650): Religious change, military reforms
  • Age of Absolutism (1650-1710): Centralization, standing armies
  • Age of Revolutions (1710-1821): Enlightenment, modern institutions

Age Progression

You don't "research" ages. Instead, ages arrive globally on fixed dates for all nations. However, individual advances within each age must be adopted individually.

Adopting Advances

Advance Points

You earn Advance Points through various means:

Primary Sources:

  • Literacy Rate: +0.5 to +2 points/month (higher education = faster)
  • Universities: +0.2 points/month per university
  • Development: +0.1 to +0.5 points/month based on total development
  • Innovation Ideas: Certain reforms grant +10% to +30% advance points
  • Golden Age: +50% advance points during golden ages

Special Events:

  • Scientific discoveries: +5 to +20 points
  • Cultural achievements: +3 to +10 points
  • Great projects completion: +10 to +50 points

Advance Cost

Each advance costs 100 base points, modified by:

  • Ahead of Time Penalty: +50% cost if adopting before age start date (rare cases)
  • Institution Spread: -10% to -30% cost if neighboring nations have the advance
  • Development Level: Higher development slightly reduces cost
  • Innovation Focus: Certain government reforms reduce cost by -10% to -25%

Typical Timeline: With average literacy (40%), expect to adopt 1 advance every 8-12 months.

Advance Categories

Military Advances

Examples:

  • Pike and Shot: Unlocks improved infantry units
  • Naval Artillery: Allows heavy ships with cannons
  • Military Professionalism: Enables standing armies
  • Line Infantry: Unlocks 18th-century military units

Effects: New unit types, combat modifiers, military buildings

Economic Advances

Examples:

  • Double-Entry Bookkeeping: +10% tax income, unlocks advanced markets
  • Manufacturing: Unlocks manufactories for mass production
  • Stock Exchange: Advanced trade buildings
  • Industrial Production: Scaled production methods

Effects: New buildings, trade bonuses, production efficiency

Administrative Advances

Examples:

  • Bureaucracy: Unlocks government buildings, +10% administrative efficiency
  • National Banking: Enables loans and financial management
  • Census: Improves population management
  • Civil Service: Advanced administrative buildings

Effects: Government reforms, administrative efficiency, crown power

Naval & Exploration Advances

Examples:

  • Oceanic Navigation: Required for transatlantic exploration
  • Cartography: Reveals unknown territories faster
  • Colonial Administration: Enables colonial subjects
  • Global Trade: Unlocks worldwide trade routes

Effects: Exploration range, colonial mechanics, naval improvements

Cultural & Religious Advances

Examples:

  • Humanism: Improved tolerance, faster cultural acceptance
  • Religious Reform: New religious mechanics
  • Enlightenment: Literacy bonuses, cultural advancement
  • Scientific Method: Research bonuses

Effects: Cultural and religious modifiers, education improvements

Strategic Advance Priorities

Opening Strategy (First 50 Years)

Priority 1: Economic Foundation

  • Double-Entry Bookkeeping (trade income)
  • Manufacturing (production buildings)
  • Basic infrastructure advances

Priority 2: Military Essentials

  • Pike and Shot (if planning early wars)
  • Naval Artillery (for maritime nations)

Priority 3: Administrative Setup

  • Bureaucracy (government efficiency)
  • Census (population management)

Mid-Game Strategy (Years 50-150)

Expansion-Focused:

  • Military advances for army quality
  • Colonial advances (if applicable)
  • Integration and administrative advances

Economic-Focused:

  • Advanced trade buildings
  • Production method unlocks
  • Financial management advances

Late-Game Strategy (Years 150+)

Domination:

  • Late-era military units
  • Industrial production methods
  • Global trade and finance

Stability:

  • Enlightenment and cultural advances
  • Advanced government reforms
  • Educational infrastructure

Institution Spread

Advances spread through institutions, similar to EU4:

How Institutions Work

Origin Point: Advances typically originate in high-development, high-literacy regions (Italy, Low Countries, etc.)

Spread Mechanics:

  • Adjacent Spread: +2% to +5% per month to neighboring provinces
  • Trade Spread: +1% to +3% per month along trade routes
  • Cultural Spread: Faster among same culture group (+50%)
  • Manual Embrace: Can spend gold to embrace institution immediately

Institution Effects

Provinces with Institution:

  • -10% to -30% advance point cost
  • +5% to +10% development efficiency
  • Faster literacy growth

Provinces without Institution:

  • No direct penalties (unlike EU4)
  • Slower cultural advancement
  • Reduced synergy with neighbors

Importing Institutions via Trade

You can accelerate institution spread through trade:

Requirements:

  • Trade route from nation that has the institution
  • Market capacity >50% utilization
  • Sufficient market access (60%+)

Effect: +100% to +200% institution spread speed in market center

💡 Tip
Strategy: Build trade capacity, establish routes to advanced nations (Venice, Holland), focus institution embrace in capital/market centers first.

Maximizing Advance Speed

Short-Term Boosts (Within 5 Years)

  1. Build Universities: +0.2 advance points/month each
  2. Promote Literacy: Cabinet action, costs stability
  3. Complete Great Projects: One-time advance point bonuses
  4. Golden Age: +50% advance points (requires high prestige and stability)

Long-Term Strategy (10-50 Years)

  1. Develop Capital Region: Higher development = more points
  2. Education Laws: Enact laws promoting literacy
  3. Innovation Reforms: Government reforms granting advance bonuses
  4. Cultural Buildings: Universities, academies, libraries
  5. Trade with Advanced Nations: Import institutions faster

Common Mistakes

  • Ignoring Literacy: Low literacy is the #1 reason for slow advance adoption. Build schools and universities early.
  • Random Advance Selection: Don't adopt advances randomly. Follow a strategic plan aligned with your nation's goals.
  • Neglecting Institutions: Institutions dramatically reduce advance costs. Prioritize institution embrace in capital and major cities.
  • Overextending Without Advances: Don't expand faster than your administrative advances allow. You'll suffer from low control and efficiency.
  • Skipping Economic Advances: Military advances are tempting, but economic advances fund your wars. Balance is key.

Advance Comparison: EU5 vs EU4

EU5 Advances EU4 Technology
Era-based, historical Continuous progression
Adopted individually Same tech level for all categories
Advance points (passive) Monarch points (active)
No penalty for falling behind Severe penalties for tech gaps
Institution spread bonus Institution spread required
More granular effects Broad category effects

Quick Reference

  • Average Advance Time: 8-12 months (with 40% literacy)
  • Fast Advance Time: 4-6 months (with 70%+ literacy, universities, golden age)
  • Slow Advance Time: 18-24 months (with <20% literacy, no universities)

Advance Point Sources:

  • Literacy: 50-60% of total
  • Universities: 15-20%
  • Development: 15-20%
  • Events/Projects: 5-10%

Priority Order (Generic):

  1. Economic advances (Double-Entry Bookkeeping, Manufacturing)
  2. Administrative advances (Bureaucracy, Census)
  3. Military advances (contextual to your wars)
  4. Exploration advances (if colonizing)
  5. Cultural advances (later priority)