- interaction, focused
- interactional field theories
- interactionism
- interest groups
- interests
- intergenerational mobility
- interlocking directorship
- intermediate technology
- internal labour-market
- internal migration
- internal (or domestic) colonialism
- international division of labour
- Internet
- interpellation
- interpersonal comparisons
- interpretation
- intersubjectivity
- intertextuality
- interval scales
- intervening variable
- interview
- interview bias
- interviewer bias
- intimacy
- intragenerational mobility
- intrapreneur
- intrinsic satisfaction
- introspection
- introspectionism
- introversion
