Universality: There is no human society in which some form of the family does not appear.Malinowski writes the typical family a group consisting of mother, father and their progeny is found in all communities,savage,barbarians and civilized. The irresistible sex need, the urge for reproduction and the common economic needs have contributed to this universality.
Emotional basis: The family is grounded in emotions and sentiments. It is based on our impulses of mating, procreation, maternal devotion, fraternal love and parental care. It is built upon sentiments of love, affection, sympathy, cooperation and friendship.
Limited size: The family is smaller in size. As a primary group its size is necessarily limited. It is a smallest social unit.
Formative influence: The family welds an environment which surrounds trains and educates the child. It shapes the personality and moulds the character of its members. It emotionally conditions the child.
Nuclear position in the social structure: The family is the nucleus of all other social organizations. The whole social structure is built of family units.
Responsibility of the members: The members of the family has certain responsibilities, duties and obligations.Maclver points out that in times of crisis men may work and fight and die for their country but they toil for their families all their lives.
Social regulation: The family is guarded both by social taboos and by legal regulations. The society takes precaution to safeguard this organization from any possible breakdown.