| Primary Group | Secondary Group |
| (i) Primary group is a group in which relationships are personal, informal, face to face and intimate in nature. | (i) Secondary group is a group in which relationships are impersonal, formal and contractual in nature. |
| (ii) This group is small in size. | (ii) This group is large in size. |
| (iii) Relationships are personal, so physical proximity is more. | (iii) Due to formal relationships there is no physical proximity between the members. |
| (iv) Relations are permanent. | (iv) Relations are temporary. |
| (v) Behaviour is controlled in an informal way. | (v) Behaviour is controlled in a formal way. |
| (vi) Example Family, peer group, neighbourhood, etc. | (vi) Example Nation, State, Labour unions, etc. |