Overview

Solidarity is the principle of mutual support, interdependence, and unity among members of a community — particularly across differences of circumstance, identity, or position. It contrasts with charity (top-down giving) by emphasizing mutual obligation and shared vulnerability.

In Catholic social teaching and social democracy, solidarity is paired with Subsidiarity — together they balance local autonomy with mutual responsibility across scales.

Forms

  • Social solidarity: Trade union movements, mutual aid networks, collective bargaining
  • International solidarity: Cross-border support for oppressed peoples or shared global challenges
  • Economic solidarity: Cooperative enterprises, community land trusts, commons-based institutions
  • Ecological solidarity: Recognizing interdependence with non-human life and future generations