The proletariat (// from Latin proletarius "producing offspring") is the class of wage-earners in an economic society whose only possession of significant material value is their labour-power (how much work they can do). A member of such a class is a proletarian.
In Marxist theory, a dictatorship of the proletariat is for the proletariat, of the proletariat, and by the proletariat. On the Marxist view, this will endow the proletarian with the power to abolish the conditions that make a person a proletarian and, thus, build communism.
Proletarii in Ancient Rome
The proletarii constituted a social class of Roman citizens owning little or no property. The origin of the name is presumably linked with the census, which Roman authorities conducted every five years to produce a register of citizens and their property from which their military duties and voting privileges could be determined. For citizens with property valued 11,000 assēs or less, which was below the lowest census for military service, their children—proles (from Latin prōlēs, "offspring")—were listed instead of their property; hence, the name proletarius, "the one who produces offspring". The only contribution of a proletarius to the Roman society was seen in his ability to raise children, the future Roman citizens who can colonize new territories conquered by the Roman Republic and later by the Roman Empire. The citizens who had no property of significance were called capite censi because they were "persons registered not as to their property...but simply as to their existence as living individuals, primarily as heads (caput) of a family."[note 1]
Although included in one of the five support centuriae of the Comitia Centuriata (English: Centuriate Assembly), proletarii were largely deprived of their voting rights due to their low social status caused by their lack of "even the minimum property required for the lowest class" and a class-based hierarchy of the Comitia Centuriata. The late Roman historians, such as Livy, not without some uncertainty, understood the Comitia Centuriata to be one of three forms of popular assembly of early Rome composed of centuriae, the voting units whose members represented a class of citizens according to the value of their property. This assembly, which usually met on the Campus Martius to discuss public policy issues, was also used as a means of designating military duties demanded of Roman citizens. One of reconstructions of the Comitia Centuriata features 18 centuriae of cavalry, and 170 centuriae of infantry divided into five classes by wealth, plus 5 centuriae of support personnel called adsidui. The top infantry class assembled with full arms and armor; the next two classes brought arms and armor, but less and lesser; the fourth class only spears; the fifth slings. In voting, the cavalry and top infantry class were enough to decide an issue; as voting started at the top, an issue might be decided before the lower classes voted.
Following a series of wars the Roman Republic engaged since the closing of the Second Punic War (218–201 BC), such as the Jugurthine War and conflicts in Macedonia and Asia, the significant reduction in the number of Roman family farmers had resulted in the shortage of people whose property qualified them to perform the citizenry's military duty to Rome. As a result of the Marian reforms initiated in 107 BC by the Roman general Gaius Marius (157–86), expanding the eligibility of military service to the urban poor, the proletarii became the backbone of the Roman army.
Modern era reintroduction of Proletariat and Proletarian terms
In the era of early 19th century, many Western European liberal scholars - who dealt with social sciences and economics - pointed out the socio-economic similarities of the modern rapidly growing industrial worker class and the classic ancient proletarians. One of the earliest analogies can be found in the 1807 paper of French philosopher and political scientist Hugues Felicité Robert de Lamennais. Later it was translated to English with the title: "Modern Slavery".
Swiss liberal economist and historian Jean Charles Léonard de Sismondi, was the first who applied the proletariat term to the working class created under capitalism, and whose writings were frequently cited by Marx. Marx most likely encountered the Proletariat term while studying the works of Sismondi. 
Karl Marx, who studied Roman law at the Friedrich Wilhelm University of Berlin, used the term proletariat in his socio-political theory of Marxism to describe a working class unadulterated by private property and capable of a revolutionary action to topple capitalism in order to create classless society. In Marxist theory, the proletariat is the social class that does not have ownership of the means of production and whose only means of subsistence is to sell their labor power for a wage or salary. Proletarians are wage-workers, while some refer to those who receive salaries as the salariat. For Marx, however, wage labor may involve getting a salary rather than a wage per se. Marxism sees the proletariat and bourgeoisie (capitalist class) as occupying conflicting positions, since workers automatically wish their wages to be as high as possible, while owners and their proxies wish for wages (costs) to be as low as possible.
In Marxist theory, the borders between the proletariat and some layers of the petite bourgeoisie, who rely primarily but not exclusively on self-employment at an income no different from an ordinary wage or below it – and the lumpenproletariat, who are not in legal employment – are not necessarily well defined. Intermediate positions are possible, where some wage-labor for an employer combines with self-employment. Marx makes a clear distinction between proletariat as salaried workers, which he sees as a progressive class, and Lumpenproletariat, "rag-proletariat", the poorest and outcasts of the society, such as beggars, tricksters, entertainers, buskers, criminals and prostitutes, which he considers a retrograde class. Socialist parties have often struggled over the question of whether they should seek to organize and represent all the lower classes, or just the wage-earning proletariat.
According to Marxism, capitalism is a system based on the exploitation of the proletariat by the bourgeoisie. This exploitation takes place as follows: the workers, who own no means of production of their own, must use the means of production that are property of others in order to produce, and consequently earn, their living. Instead of hiring those means of production, they themselves get hired by capitalists and work for them, producing goods or services. These goods or services become the property of the capitalist, who sells them at the market.
One part of the wealth produced is used to pay the workers' wages (variable costs), another part to renew the means of production (constant costs) while the third part, surplus value is split between the capitalist's private takings (profit), and the money used to pay rents, taxes, interests, etc. Surplus value is the difference between the wealth that the proletariat produces through its work, and the wealth it consumes to survive and to provide labor to the capitalist companies. A part of the surplus value is used to renew or increase the means of production, either in quantity or quality (i.e., it is turned into capital), and is called capitalized surplus value. What remains is consumed by the capitalist class.
The commodities that proletarians produce and capitalists sell are valued for the amount of labor embodied in them. The same goes for the workers' labor power itself: it is valued, not for the amount of wealth it produces, but for the amount of labor necessary to produce and reproduce it. Thus the capitalists earn wealth from the labor of their employees, not as a function of their personal contribution to the productive process, which may even be null, but as a function of the juridical relation of property to the means of production. Marxists argue that new wealth is created through labor applied to natural resources.
Marx argued that the proletariat would displace the capitalist system with the dictatorship of the proletariat, abolishing the social relationships underpinning the class system and then developing into a communist society in which "the free development of each is the condition for the free development of all".
Prole drift, short for proletarian drift, is the tendency in advanced industrialized societies for everything inexorably to become proletarianized, or to become commonplace and commodified. This trend is attributed to mass production, mass selling, mass communication and mass education. Examples include best-seller lists, films and music that must appeal to the masses, and shopping malls.
- Blue-collar worker
- Folklore – Legends, music, oral history, proverbs, jokes, popular beliefs, fairy tales, etc.
- Proles (Nineteen Eighty-Four)
- Prolefeed – Newspeak term in the novel Nineteen Eighty-Four by George Orwell
- Proletarian internationalism
- Proletarian literature
- Slavery – System under which people are treated as property to be bought and sold, and are forced to work
- Wage slavery
- Arnold J. Toynbee, especially in his A Study of History, uses the word "proletariat" in this general sense of people without property or a stake in society. Toynbee focuses particularly on the generative spiritual life of the "internal proletariat" (those living within a given civil society). He also describes the "heroic" folk legends of the "external proletariat" (poorer groups living outside the borders of a civilization). Compare Toynbee, A Study of History (Oxford University 1934–1961), 12 volumes, in Volume V Disintegration of Civilizations, part one (1939) at 58–194 (internal proletariat), and at 194–337 (external proletariat).
- proletariat. Accessed: 6 June 2013.
- Adolf Berger, Encyclopedic Dictionary of Roman Law (Philadelphia: American Philosophical Society 1953) at 380; 657.
- Berger, Encyclopedic Dictionary of Roman Law (1953) at 351; 657 (quote).
- Titus Livius (c. 59 BC – AD 17), Ab urbe condita, 1, 43; the first five books translated by Aubrey de Sélincourt as Livy, The Early History of Rome (Penguin 1960, 1971) at 81–82.
- Andrew Lintott, The Constitution of the Roman Republic (Oxford University 1999) at 55–61, re the Comitia Centuriata.
- Cf., Theodor Mommsen, Römisches Geschichte (1854–1856), 3 volumes; translated as History of Rome (1862–1866), 4 volumes; reprint (The Free Press 1957) at vol. III: 48–55 (Mommsen's Bk. III, ch. XI toward end).
- H. H. Scullard, Gracchi to Nero. A History of Rome from 133 BC to AD 68 (London: Methuen 1959, 4th ed. 1976) at 51–52.
- Félicité Robert de Lamennais: Modern Slavery (1840) 
- Ekins, Paul; Max-Neef, Manfred (2006). Real Life Economics. Routledge. pp. 91–93.
- Ekelund Jr, Robert B.; Hébert, Robert F. (2006). A History of Economic Theory and Method: Fifth Edition. Waveland Press. p. 226.
- Lutz, Mark A. (2002). Economics for the Common Good: Two Centuries of Economic Thought in the Humanist Tradition. Routledge. pp. 55–57.
- Stedman Jones, Gareth (2006). "Saint-Simon and the Liberal origins of the Socialist critique of Political Economy". In Aprile, Sylvie; Bensimon, Fabrice (eds.). La France et l'Angleterre au XIXe siècle. Échanges, représentations, comparaisons. Créaphis. pp. 21–47.
- Cf., Sidney Hook, Marx and the Marxists (Princeton: Van Nostrand 1955) at 13.
- Marx, Karl (1887). "Chapter Six: The Buying and Selling of Labour-Power". In Frederick Engels (ed.). Das Kapital, Kritik der politischen Ökonomie [Capital: Critique of Political Economy]. Moscow: Progress Publishers. Retrieved 10 February 2013.
- Lumpen proletariat – Britannica Online Encyclopedia
- Marx, Karl (February 1848). "Bourgeois and Proletarians". Manifesto of the Communist Party. Progress Publishers. Retrieved 10 February 2013.
- Marx, Karl. The Capital, volume 1, chapter 6. http://www.marxists.org/archive/marx/works/1867-c1/ch06.htm
- Luxemburg, Rosa. The Accumulation of Capital. Chapter 6, Enlarged Reproduction, http://www.marxists.org/archive/luxemburg/1913/accumulation-capital/ch06.htm
- Marx, Karl. Critique of the Gotha Programme, I. http://www.marxists.org/archive/marx/works/1875/gotha/ch01.htm
- Marx, Karl. The Communist Manifesto, part II, Proletarians and Communists http://www.marxists.org/archive/marx/works/1848/communist-manifesto/ch02.htm
- Fussell, Paul (October 1992). Class, A Guide Through the American Status System. New York: Ballantine. ISBN 978-0-345-31816-9.
- Blackledge, Paul (2011). "Why workers can change the world". Socialist Review 364. London.
- Hal Draper, Karl Marx's Theory of Revolution, Vol. 2; The Politics of Social Classes. (New York: Monthly Review Press 1978).
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