In sociology, precariat refers to the social class formed by people with no job security, or no prospect of regular employment, distinct from the lumpenproletariat. The term is a neologism obtained by merging precarious with proletariat.
The precariat class has been emerging in advanced societies such as Japan, where it includes over 20 million so-called "freeters." The young precariat class in Europe became a serious issue in the early part of the 21st century.
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