Happiness is a measure of how satisfied your population is with their situation. This can be effected by proximity to some buildings, taxes, and the presence, or lack there of, services. Happiness is the driving force behind Density. A high happiness area induces a high demand for this area, which increases the Density.
Effects on happiness
|Proximity to: Police, Fire, Health, Educational buildings, Parks, Governmental buildings (regardless of popularity)||Proximity to: Industrial buildings; Water, Sewage and Power stations; Recycling Centers or Garbage Dumps|
|Low Taxes||High Taxes|
|Spending money at shops||Lack of Services (like Police, Fire, etc.), lack of utilities and services in the city (No power, water, garbage collection etc.)|
Happiness map shows the current happiness of all RCI buildings.