code:

colonialmigration_chance = 
{
	factor = 0.25

	modifier = {
		factor = -0.5
		is_primary_culture = no
	}
	group = {
		modifier = {
			factor = -0.1
			not = { consciousness = 6 }
		}
		modifier = {
			factor = -0.1
			not = { consciousness = 7 }
		}
		modifier = {
			factor = -0.1
			not = { consciousness = 8 } 
		}
	}
	modifier = {
		factor = -2.0
		state_scope = { is_colonial = yes }
	}
	group = {
		modifier = {
			factor = 0.1
			not = { life_needs = 0.9 }
			not = { everyday_needs = 0.1 }
			not = { luxury_needs = 0.1 }
		}
		modifier = {
			factor = 0.1
			not = { life_needs = 0.8 }
			not = { everyday_needs = 0.1 }
			not = { luxury_needs = 0.1 }
		}
		modifier = {
			factor = 0.1
			not = { life_needs = 0.7 }
			not = { everyday_needs = 0.1 }
			not = { luxury_needs = 0.1 }
		}
	}


	modifier = {
		factor = -0.3
		state_scope = {
			has_factories = yes
			}
	}

	group = {
		modifier = {
			factor = 0.3
			unemployment = 0.1
		}
		modifier = {
			factor = 0.3
			unemployment = 0.2
		}
		modifier = {
			factor = 0.3
			unemployment = 0.3
		}
		
	}
}