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Introduction to Sociology

Social Sciences

What Is Social Stratification?

Tác giả: OpenStaxCollege
In the upper echelons of the working world, people with the most power reach the top. These people make the decisions and earn the most money. The majority of Americans will never see the view from the top. (Photo courtesy of Alex Proimos/flickr)

In the opening story, two siblings chose different life paths. Michael stayed within his parents’ social realm, achieving similar levels of education, occupation, and income. He retained social ties with community members. Lisa, however, rose from her parents’ social position, achieving higher levels of education, occupation, and income. She broke old social ties and formed new ties, disregarding barriers and norms of race, gender, and class. Despite their different paths, both siblings were influenced by the social position of their parents. What determines a person’s social standing? And how does social standing direct or limit a person’s choices?

Sociologists use the term social stratification to describe the system of social standing. Social stratification refers to a society’s categorization of its people into rankings of socioeconomic tiers based on factors like wealth, income, race, education, and power.

You may remember the word “stratification” from geology class. The distinct vertical layers found in rock, called stratification, are a good way to visualize social structure. Society’s layers are made of people, and society’s resources are distributed unevenly throughout the layers. The people who have more resources represent the top layer of the social structure of stratification. Other groups of people, with progressively fewer and fewer resources, represent the lower layers of our society.

Strata in rock illustrate social stratification. People are sorted, or layered, into social categories. Many factors determine a person’s social standing, such as income, education, occupation, as well as age, race, gender, and even physical abilities. (Photo courtesy of Just a Prairie Boy/flickr)

In the United States, people like to believe everyone has an equal chance at success. To a certain extent, Michael and Lisa illustrate the belief that hard work and talent—not prejudicial treatment or societal values—determine social rank. This emphasis on self-effort perpetuates the belief that people control their own social standing.

However, sociologists recognize that social stratification is a society-wide system that makes inequalities apparent. While there are always inequalities between individuals, sociologists are interested in larger social patterns. Stratification is not about individual inequalities, but about systematic inequalities based on group membership, classes, and the like. No individual, rich or poor, can be blamed for social inequalities. A person’s social standing is affected by the structure of society. Although individuals may support or fight inequalities, social stratification is created and supported by society as a whole.

The people who live in these houses most likely share similar levels of income and education. Neighborhoods often house people of the same social standing. Wealthy families do not typically live next door to poorer families, though this varies depending on the particular city and country. (Photo courtesy of Orin Zebest/flickr)

Factors that define stratification vary in different societies. In most societies, stratification is an economic system, based on wealth, the net value of money and assets a person has, and income, a person’s wages or investment dividends. While people are regularly categorized based on how rich or poor they are, other important factors influence social standing. For example, in some cultures, wisdom and charisma are valued, and people who have them are revered more than those who don’t. In some cultures, the elderly are esteemed; in others, the elderly are disparaged or overlooked. Societies’ cultural beliefs often reinforce the inequalities of stratification.

One key determinant of social standing is the social standing of one’s parents. Parents tend to pass their social position on to their children. People inherit not only social standing but also the cultural norms that accompany a certain lifestyle. They share these with a network of friends and family members. Social standing becomes a comfort zone, a familiar lifestyle, and an identity.

Other determinants are found in a society’s occupational structure. Teachers, for example, often have high levels of education but receive relatively low pay. Many believe that teaching is a noble profession, so teachers should do their jobs for love of their profession and the good of their students, not for money. Yet no successful executive or entrepreneur would embrace that attitude in the business world, where profits are valued as a driving force. Cultural attitudes and beliefs like these support and perpetuate social inequalities.

Systems of Stratification

Sociologists distinguish between two types of systems of stratification. Closed systems accommodate little change in social position. They do not allow people to shift levels and do not permit social relations between levels. Open systems, which are based on achievement, allow movement and interaction between layers and classes. Different systems reflect, emphasize, and foster certain cultural values, and shape individual beliefs. Stratification systems include class systems and caste systems, as well as meritocracy.

The Caste System

India used to have a rigid caste system. The people in the lowest caste suffered from extreme poverty and were shunned by society. Some aspects of India’s defunct caste system remain socially relevant. In this photo, an Indian woman of a specific Hindu caste works in construction, demolishing and building houses. (Photo courtesy of Elessar/flickr)

Caste systems are closed stratification systems in which people can do little or nothing to change their social standing. A caste system is one in which people are born into their social standing and will remain in it their whole lives. People are assigned occupations regardless of their talents, interests, or potential. There are virtually no opportunities to improve one’s social position.

In the Hindu caste tradition, people were expected to work in the occupation of their caste and to enter into marriage according to their caste. Accepting this social standing was considered a moral duty. Cultural values reinforced the system. Caste systems promote beliefs in fate, destiny, and the will of a higher power, rather than promoting individual freedom as a value. A person who lived in a caste society was socialized to accept his or her social standing.

Although the caste system in India has been officially dismantled, its residual presence in Indian society is deeply embedded. In rural areas, aspects of the tradition are more likely to remain, while urban centers show less evidence of this past. In India’s larger cities, people now have more opportunities to choose their own career paths and marriage partners. As a global center of employment, corporations have introduced merit-based hiring and employment to the nation.

The Class System

A class system is based on both social factors and individual achievement. A class consists of a set of people who share similar status with regard to factors like wealth, income, education, and occupation. Unlike caste systems, class systems are open. People are free to gain a different level of education or employment than their parents. They can also socialize with and marry members of other classes, allowing people to move from one class to another.

In a class system, occupation is not fixed at birth. Though family and other societal models help guide a person toward a career, personal choice plays a role. Michael, the sibling in the chapter opening, chose a career similar to that of his parents. His sister Lisa chose a career based on individual interests that differed from her parents’ social class.

In class systems, people have the option to form exogamous marriages, unions of spouses from different social categories. Marriage in these circumstances is based on values such as love and compatibility rather than on social standing or economics. Though social conformities still exist that encourage people to choose partners within their own class, people are not as pressured to choose marriage partners based solely on those elements. For example, although Michael formed an endogamous union, marrying a partner from his same social background, Lisa formed an exogamous union, marrying someone outside her social categories.


Meritocracy is another system of social stratification in which personal effort—or merit—determines social standing. High levels of effort will lead to a high social position, and vice versa. The concept of meritocracy is an ideal—that is, a society has never existed where social rank was based purely on merit. Because of the complex structure of societies, processes like socialization, and the realities of economic systems, social standing is influenced by multiple factors, not merit alone. Inheritance and pressure to conform to norms, for instance, disrupt the notion of a pure meritocracy. Sociologists see aspects of meritocracies in modern societies when they study the role of academic performance and job performance, and the systems in place for evaluating and rewarding achievement in these areas.

Status Consistency

Social stratification systems determine social position based on factors like income, education, and occupation. Sociologists use the term status consistency to describe the consistency, or lack thereof, of an individual’s rank across these factors. Caste systems correlate with high status consistency, whereas the more flexible class system has lower status consistency.

To illustrate, let’s consider Susan. Susan earned her high school degree but did not go on to college. That factor is a trait of the lower-middle class. She began doing landscaping work, which, as manual labor, is also a trait of lower-middle or even lower class. However, over time, Susan started her own company. She hired employees. She won larger contracts. She became a business owner and earned a lot of money. Those traits represent the upper-middle class. Here there are inconsistencies between Susan’s educational level, her occupation, and her income. In a class system, a person can work hard and have little education and still be in middle or upper class, whereas in a caste system that would not be possible. In a class system, low status consistency correlates with having more choices and opportunities.


Stratification systems are either closed, meaning they allow little change in social position, or open, meaning they allow movement and interaction between the layers. A caste system is one in which social standing is based on ascribed status or birth. Class systems are open, with achievement playing a role in social position. People fall into classes based on factors like wealth, income, education, and occupation. A meritocracy is a system of social stratification that confers standing based on personal worth, rewarding effort.

Section Quiz

What factor makes caste systems closed?

  1. They are run by secretive governments.
  2. People cannot change their social standings.
  3. Most have been outlawed.
  4. They exist only in rural areas.

What factor makes class systems open?

  1. They allow for movement between the classes.
  2. People are more open-minded.
  3. People are encouraged to socialize within their class.
  4. They do not have clearly defined layers.

Which of these systems allows for the most social mobility?

  1. Caste
  2. Monarchy
  3. Endogamy
  4. Class

Which person best illustrates opportunities for upward social mobility in the United States?

  1. First-shift factory worker
  2. First-generation college student
  3. Firstborn son who inherits the family business
  4. First-time interviewee who is hired for a job

Which statement illustrates low status consistency?

  1. A suburban family lives in a modest ranch home and enjoys nice vacation each summer.
  2. A single mother receives food stamps and struggles to find adequate employment.
  3. A college dropout launches an online company that earns millions in its first year.
  4. A celebrity actress owns homes in three countries.

Based on meritocracy, a physician’s assistant would:

  1. receive the same pay as all the other physician’s assistants
  2. be encouraged to earn a higher degree to seek a better position
  3. most likely marry a professional at the same level
  4. earn a pay raise for doing excellent work

Short Answer

Track the social stratification of your family tree. Did the social standing of your parents differ from the social standing of your grandparents and great-grandparents? What social traits were handed down by your forebears? Are there any exogamous marriages in your history? Does your family exhibit status consistencies or inconsistencies?

What defines communities that have low status consistency? What are the ramifications, both positive and negative, of cultures with low status consistency? Try to think of specific examples to support your ideas.

Review the concept of stratification. Now choose a group of people you have observed and been a part of—for example, cousins, high school friends, classmates, sport teammates, or coworkers. How does the structure of the social group you chose adhere to the concept of stratification?

Further Research

The New York Times investigated social stratification in their series of articles called “Class Matters.” The online accompaniment to the series includes an interactive graphic called “How Class Works,” which tallies four factors—occupation, education, income, and wealth—and places an individual within a certain class and percentile. What class describes you? Test your class rank on the interactive site:


Köhler, Nicholas. 2010. “An Uncommon Princess.” Maclean’s, November 22. Retrieved January 9, 2012 (

McKee, Victoria. 1996. “Blue Blood and the Color of Money.” New York Times, June 9.

Marquand, Robert. 2011. “What Kate Middleton’s Wedding to Prince William Could Do for Britain.” Christian Science Monitor, April 15. Retrieved January 9, 2012 (

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