WantsWants are the form human needs take as they are shaped by culture and individual personality. Wants are marketed by marketers in such a way that everyone feel these wants should be mandatory part of life. We can take the examples of telephone, Internet, different variety of foods and clothing these all come under umbrella of human wants.
DemandsDemand is want backed by buying power, human being have unlimited wants but resource are limited in the world. Its not possible that each human being get the desire things in the world. Wants are wishes of human, buying power will convert these wants to demand.