Bringing the topic back to this. I have a done a bit of tweaking to the civics, I am reposting the civics in full so you can compare to my previous post.
Immigration Policy
Restricted Travel
No Upkeep
Description: Citizens are born, live, and die in the same town.
-50%
from Foreign Connectedness
-15%
in all cities
Controlled Borders
Medium Upkeep
Description: Entry to cities and towns are exclusively limited to those of means and wealth.
Requires: Masonry
Cities require 33% more
to grow
+25% more
from population (each 4 pop = +1 anger)
+150% Espionage missions cost inside borders
+1
from walls, high walls
Free Migration
Low Upkeep
Description: Citizens are free to move and settle anywhere in the realm.
Requires: Aesthetics
+1
in all cities
+1
in all cities
+10%
in all cities
Cities require 10% less
to grow
Open Immigration
Low Upkeep
Description: Foreigners and Citizens alike are encouraged to move and settle anywhere in the realm.
Requires: City Planning
+2
in all cities
+1
in largest cities
+25%
in all cities
+50%
Rate
Our culture may spread into any connected foreign cities
-50% Espionage mission cost inside borders
Cities require 33% less
to grow
-1 diplomatic relations with any civilization without open borders
Visa Program
Medium Upkeep
Description: The best and brightest of the world are invited to apply for citizenship to your nation.
Requires: Nationalism
+10%
in all cities
+25%
Rate
Closed Borders
High Upkeep
Description: Outside travel is closed to all.
Requires: Communism
Cities require 50% more
to grow
+300% Espionage missions cost inside borders
+1
from walls, high walls
Enemy Units lose 4% health each turn in our territory
Foreign culture decreases in all territory decreases by 1% every 10 turns
+25% defense in all cities
No Foreign Connectedness