1. Birth is the main cause of social differences in the society.We belong to a community simply because we are born into it. We experience social differences which is due to the accident by birth.
2.Gender differences, physical disabilities or disabilities are also causes of social differences.
3.Social differences are also based on choices. Education, profession and economic standards are social differences based on choices.
These social differences leads to social divisions in society based on region, religion, caste, language etc. which may vary from society to society.