Production is a game concept in Civilization V . It displays how much your city produces per turn,improvements such as mines and certain buildings such as a factory can improve your production. If your civilization is unhappy it will lower the production in each of your cities.
Sources of production:
Buildings that provide production
Era
Building
Production
Note
Ancient
Stone works
+1
City must have improved marble/stone nearby, city cannot be on plains
Ancient
Water mill
+1
City must be built next to a river
Classical
Stable
+15% when building mounted units, +1 on each horse , cow , and sheep
must have one of the previous resources near the city
Medieval
Forge
+15% when building land units, +1 production on improved iron
City must have improved iron nearby
Medieval
Workshop
+2, +10%
Medieval
Harbor
+1 on sea resources worked by city, +15% when building naval units
Medieval
Longhouse
+2, +1 from each worked forest
replaces workshop, Iroquois building
Renaissance
Seaport
+1 on sea resources worked by city
Renaissance
Windmill
+2, +10% when building buildings
Industrial
Factory
+4, +10%
requires 1 coal
Modern
Hydro plant
+1 in all tiles beside rivers
requires 1 aluminum , must be built next to a river
Modern
Nuclear plant
+5, +15%
requires 1 uranium , no solar plant in the city
Modern
Solar plant
+5, +15%
must be built on or next to desert , no nuclear plant in the city
Modern
Spaceship Factory
+50% when building spaceship parts
requires 1 aluminum
Wonders that provide production
Wonder
Production
Requirement
Ironworks
+8
requires a workshop in all cities
[[Temple of Artemis (Civ5)|Temple of Artemis
+15% ranged unit production
Archery
Social policies that provide production
Policy
Branch
Era
Requirements
Effect
Aristocracy
Tradition
none
none
+15% production when building wonders
Collective Rule
Liberty
none
none
Settler production doubled in capital
Republic
Liberty
none
Collective Rule
+1 Production in every City and +5% Production in cities when constructing buildings
Warrior Code
Honor
none
none
+15% when training melee units
Communism
Order
Industrial
Socialism
+2 Production per City and +10% Production when constructing Buildings
Total War
Autocratcy
Industrial
Police State, Fascism
+15% Production when building Military Units
Merchant Navy
Commerce
Medieval
Naval Tradition
+3 Production in all coastal Cities
Notes:
Adopting Piety reduces the time to build Culture buildings by 15%
Adopting all Policies in the Order tree will grant +1 Production per city