Influence

Influence measures the soft power of a civilization and the dominance of its culture. A highly influential civilization will command respect and keep enemies at a distance, even if its military forces pale in comparison. is important for effective diplomacy. The of a colony or starbase grows over time according to its  statistic.

Diplomacy
is a major determinant of the outcome of diplomatic interactions.

Zone of control
The regions of the galaxy where the of one civilization dominates is its zone of control. Colonies within the zone of control of another civilization will eventually culture flip and pledge their allegiance to the other civilization. depends on the zone of control.

Bonuses to Influence Growth
The primary way to increase is through improvements, such as the, , , , ,  and  trade resource. Many starbase modules drive the of starbase itself and nearby colonies. Many technologies globally boost, including and.

Other sources of include:
 * The, , and  in
 * A Cultural Treaty or Culture Alliance with another faction (disabled by )
 * A luxury trade route
 * Certain planet types
 * Certain colonization events
 * A culture relic
 * The Influential trait
 * The Devout, Unrelenting and Certain abilities
 * The Prominence ideology
 * The anomaly in the Precursor Worlds DLC
 * Certain Mercenary ships in
 * Certain Governments in