Modifier Type
Ship-building Speed
This impacts how quickly a Ship can be built in a Country.
Percentage · higher is better · Country
 Dutch Shipbuilding Industry Country modifier | Government Reform | +33% | |
| Invasion of France Preparations | Static Modifier | +33% | |
| Scottish Royal Navy Expansion | Static Modifier | +33% | |
 Improved Shipyards | Advance | +25% | |
 Increased Naval Infrastructure Modifier when in debate | Parliament Issue | +25% | |
 Port Logs Country modifier | Policy | +25% | |
 Shipbuilding Industry | Advance | +20% | |
 Cothon | Advance | +20% | |
| Wet Dock | Advance | +20% | |
| Improved Shipbuilding | Advance | +20% | |
 Shipwright Contracts Country modifier | Estate Privilege | +20% | |
 Thalassocracy Country modifier | Government Reform | +20% | |
 The Grand Alliance For members 5 | International Organization | +20% | |
| Faster Ship Construction | Static Modifier | +20% | |
 Veteran Shipbuilders | Advance | +15% | |
 Navy Board Country modifier | Government Reform | +15% | |
 The Piraeus Arsenal | Advance | +10% | |
 Baltic Shipyard | Advance | +10% | |
 Expand the Navy | Advance | +10% | |
 End of the Shipbuilding Guilds | Advance | +10% | |
 Expanded Arsenale | Advance | +10% | |
 Imperial School of Naval Engineering | Advance | +10% | |
 Naval Prowess | Advance | +10% | |
 Royal Scots Navy | Advance | +10% | |
 Expert Shipbuilders | Advance | +10% | |
 Military Shipbuilding | Advance | +10% | |
| Shipbuilding | Advance | +10% | |
| Ship's Penny | Advance | +10% | |
 Whale Hunters | Advance | +10% | |
 Cofradías Marineras Country modifier | Estate Privilege | +10% | |
 Shipwright Standard Regulation Country modifier | Policy | +10% | |
| Reliance on Italian Vessels | Static Modifier | +10% | |
| Ship Building Boom | Static Modifier | +10% | |
 Ibadism Definition modifier | Religion | +5% | |
| Slower Ship Construction | Static Modifier | −20% | |
| Shipbuilding problems | Static Modifier | −50% |
percent = yes
game_data = {
category = country
}