The sources of social capital are wide and varied, relating to virtually every aspect of human endeavour. Social capital arises from anything that influences people’s beliefs, attitudes, or values. The sources can relate to broad social, political, and economic structures and processes, and people’s experience and interpretation of them. It can include long-term phenomenon and historical events, and can include factors that change over short timeframes, highlighting the highly dynamic nature of social capital. The literature discusses numerous and varied sources. This article explores many of the main sources of social capital.