The development of the countries makes part of the population prefer to live individually or in small family units. Traditionally, we were used to seeing big families living in large houses for years, but this had become unpopular recently. This trend may have some effects on society, whether they are good or bad is a debatable question, but we certainly can understand some of its causes. This essay will point out some aspects of this increasing change, and end with a short conclusion of the current scenario.