disparate society; stratified society
disparity in technology; technological gap; technology gap
information gap; digital divide
disparity between values of votes in different constituencies; measure of malapportionment of electorates
gender gap; male-female divide
marriage between mismatched partners (esp. in terms of wealth)
disparity between values of votes in different constituencies; measure of malapportionment of electorates
disparity (of income, pensions, etc.) between public and private employees