This category suggests the regional benefits of collaborative networks that undergird a  community’s ability to meet its challenges. It is an optional component that  users may choose to include or exclude in the index calculation.
	  
	
		| Core Index | Measure | 
	
		| Altruism | Literacy | 
	
		| Local  Radio  Media | 
	
		| Outreach | 
	
		| Philanthropy | 
	
		| Volunteering,    Individual Participation | 
	
		| Formal    Membership and Participation | Non-Rent-Seeking Organizational Memberships | 
	
		| Rent-Seeking Organizational Memberships | 
	
		| Active Political Participation | 
	
		| Voting Political Participation | 
	
		| Informal    Interaction | Home    Ownership | 
	
		| Household    Composition (Non-Family Residents) | 
	
		| Local    to Traded Industry Ratio | 
	
		| Patent    Collaboration Density | 
	
		| Residential    Stability | 
	
		| Single-Parent    Households | 
	
		| Suicide    Rate | 
	
		| Shared    Norms | Foreign    Born | 
	
		| Foreign-Born    Naturalized Citizens | 
	
		| Ideological    Homogeneity | 
	
		| Median    Age | 
	
		| Non-English    Speakers at Home | 
	
		| Political    Homogeneity | 
	
		| Racial    Diversity | 
	
		| Religious    Homogeneity | 
	
		| Socioeconomic    Inequality (Gini Coefficient) | 
	
		| Youth    and Senior Population | 
	
		| Trust | Property Crime | 
	
		| Violent Crime | 
	
		| Trust in Governance | 
	
		| Generalized Trust | 
	
		| Institutional Trust |