Points below added by Studyfreak team
In Favor of Nuclear Family
Nuclear family make members of family more responsible.
Nuclear family provide more privacy.
Small family have less financial needs.
Nuclear families have less quarrels and personal vendetta so less problems.
Youngsters prefer freedom and less restriction choose nuclear family.
In Favor of joint family
Joint family have more people so more support in case of crisis.
Joint families are more wealthy as more earners are in place.
More affection and love between family members.
More persons are there to enjoy the life socially.
Youngsters who prefer social life with better support system prefer joint families.
Nuclear or Joint families both have benefits and problems.Its a matter of personal choice and also depends on time.A newly married couple would prefer a nuclear family but can move back with the parents and siblings when become parents themselves.