The Monastery of St. Nilus

One of the most common mistakes in worldbuilding is treating culture like it’s arbitrary. Clothing styles, gender roles, and religion are decided as though they just popped out of the ether one day. In reality, few aspects of culture are arbitrary; most are the result of collective experiences. By asking how our cultures formed, we can create fictional societies that feel more real. To get started, let’s review the biggest influences on culture and think critically about the effect they might have in your world.


Japanese Royal Family

Anyone with an oversized slice of power also has an oversized influence on culture. At the level of a society, those with power are generally the ones with:

  • Military might: The generals, warlords, or commanders-in-chief of your society.
  • Wealth: Anyone who gets the upper hand in the marketplace or inherits a fortune.
  • Cultural legitimacy: Religious leaders, rightful heirs to a monarchy, or fairly elected officials.

When the leader of a nation doesn’t have the most might, wealth, or legitimacy, prolonged power struggles can result. For example, in thirteenth- and fourteenth-century Japan, the Shogun, who was in charge of the military, had a long power struggle with the Emperor, who had the greatest cultural legitimacy.

But power is about more than who rules a country. Whenever a line divides a group of people, one side of the line will usually become dominant. One ethnic group, one gender, and one age group will probably have more influence than others, though the level of imbalance will vary.

Regardless of which people or groups have power, they will inevitably use it to promote cultural narratives that glorify them and demonize those at the bottom of the ladder. Powerful people have many methods of cultural influence; they can be as aggressive as silencing dissenters or as subtle as commissioning favorable books and plays. That’s why many political leaders were also religious figures throughout history. If you have enough power, you can make everyone think you have the divine right to rule them.

Groups with more power are inevitably viewed as not only more virtuous but more attractive as well. In Western nations, pale skin is considered more attractive than dark skin because whites have been the dominant race for so long. This is also true in China but for a different reason. Traditionally, being pale meant being wealthy enough to stay inside instead of laboring outdoors.

Most people who aren’t involved in physical labor will choose clothing and jewelry designed to advertise wealth. In the US, glass and ceramics are the most common materials for dishware even though plastic is more cost effective and durable. That’s because plastic is considered “cheap.” Names associated with wealth are also considered more desirable. Data on names from California reveals that baby-name trends start with the wealthy and are then adopted by the lower classes.

Health and Population

skeletons in a mass grave

Every society will have tragedies that rob them of members. Who dies and what everyone else does to adapt has a heavy influence on culture. Factors to consider include:

  • Diseases: Common cases of malnutrition, plague, or genetic disorders could maim, kill, or hinder the population.
  • Risk of injury: Historically, war has been a large killer of men and childbirth a large killer of women, but your space colony could lose members to hull breeches.
  • Limited resources: Members of your society might suffer from starvation following droughts or from a lack of adequate shelter during harsh seasons.

Societies can become cruel in the face of tragedy. The vulnerable are often the target of culturally sanctioned killings, usually because resources are too scarce to support nonproductive members. Societies without birth control and pressured by possible starvation might resort to infanticide to keep their population down. Other cultures would leave the sick or elderly outside to die from exposure. More benignly, a culture with a high rate of infant death might not name a child for up to a year to lower emotional investment in case that child died. To cope with infant deaths, cultures might even believe that babies who die were really just demons sent to trick their parents.

Widespread diseases like malnutrition or plague also influence what traits are considered attractive. Take a look at the art on the Sistine Chapel, and you’ll see that, historically, Western culture considered plump women most attractive. But that was when starvation was a large threat to health. Now that many Western Countries struggle with obesity, thinness is considered beautiful. If your society has a widespread disease that leaves pock marks, you can bet that your culture will focus on smooth skin as essential to beauty.*

The proportions of people in different demographics will change the characteristics of a society. High numbers of disenfranchised young men strongly correlate with political instability and war.* Then, if all those men die off in a war, the balance of power may begin to tilt toward women simply because they are more numerous. On the other hand, the black plague in Europe is credited with creating the middle class of the Renaissance period, because workers were fewer and therefore more valued.

Cultures quickly respond to a scarcity or surplus of population. Inheritance rules that give everything to the oldest child are designed to prevent an estate from being split so thinly that none of the children can live off of it. Depending on how many unmarried women are available, marriage arrangements may include a payment to the husband’s family or the bride’s family. Some cultures practice polyandry to keep their population down when resources can’t provide for more children.

Economic Practicality

workers harvesting tea
Harvesting tea in Bogor by Danumurthi Mahendra used under CC BY 2.0

To a large extent, cultures eventually embrace the lifestyles that lead to the greatest economic prosperity. Consider your culture’s:

  • Work roles: Different cultures have different ways of determining who does what. It could be based on a member’s place in the family or an individual’s value in the marketplace. Some castes may specialize in specific industries.
  • Distribution of resources: Your culture might award the most resources to those who win competitions, those who are most productive, or those who have the greatest need.
  • Primary goods and services: Your society might get most of their resources from growing and selling cotton, from independent farmsteads, or through financial investments.

A farming culture is very different from an industrial culture, which in turn is different from a post-scarcity culture. In most farming cultures, an extended family is the primary economic unit, whereas when wages are available, a single individual is the primary economic unit. That’s why industrial cultures offer more independence, which in turn leads to greater power for downtrodden individuals who previously depended on the people who controlled them. In many parts of Asia today, marriage is in steep decline among women. That’s because many of them are now economically independent, and marriage is a very traditional institution that hasn’t caught up to their modern lifestyles. An industrial culture gives them the power to turn it down. A post-scarcity culture is something we have yet to see, but I might guess it leads to even greater independence and a booming of leisure activities.

Members of a culture will restructure their lifestyle and beliefs around practical necessity. Laborers will almost always wear whatever clothes are affordable, safe, and comfortable for their work. Many societies restricted sex until marriage because they lacked birth control and because people became economically independent soon after sexual maturity. Delaying sex helped ensure that children were adequately supported by a strong economic unit – the family. But in many places, birth control is now available and educational requirements have delayed economic independence until long after sexual maturity. This makes restricting sex outside of marriage both unnecessary and impractical, and that’s why this restriction has been fading in the Western world.

Even elaborate rituals often hide a practical purpose. While many religions include a strict procedure for disposing of the diseased, a glance across cultures reveals that these stipulations usually reflect what is both affordable and sanitary for the society in question.


University Computer Lab
Computer laboratory, Moody Hall by Ben Schumin used under CC BY-SA 2.5

Cultures that are isolated can take a very different path from those that aren’t. Connections between societies can come in the form of:

  • Communication: Even if one culture is on Earth and another on Pluto, if they frequently send transmissions back and forth, they will influence each other.
  • Trade: Two cultures may rarely speak to each other but still have a great impact on the economy of each nation through trade.
  • Transportation: If people can physically go back and forth between societies easily, it will both facilitate the exchange of ideas and create additional security concerns.

Cultures that are isolated are more likely to think of themselves as the center of existence. Because Earth is isolated by the vastness of space, humans spent thousands of years assuming the sun rotated around the Earth rather than vice versa. More connectivity brings better knowledge and awareness of the greater world.

Isolated cultures may also change much slower than their connected counterparts. Technological innovation and scientific knowledge don’t appear on their own; they require societal pressure to research and innovate. In addition, change requires the upending of existing power structures that thrive off the status quo.

As an example, let’s compare Europe and Japan. Europe has developed quickly because it’s made of a cluster of land-bordering nations that constantly competed with one another in both war and trade. In 1633, Galileo was convicted of heresy by the Catholic Church for teaching that the Earth rotates around the sun. But the church couldn’t achieve complete influence over all of Europe, and the competitive pressure to make discoveries remained. So Galileo’s theories slowly gained traction as more astronomers looked over the data.

On the other hand, Japan is a country that is surrounded by ocean and therefore easily isolated. In 1639, the Tokugawa shogunate severely restricted contact between Japan and the rest of the world. Foreign influence threatened the country’s stability, so the Tokugawa successfully kept outsiders away until 1853, when the United States forcefully ended their isolation. This policy helped keep Japan stable for 200 years, but it also made certain Japan’s science and technology didn’t advance at the same rate as that of Western nations.

While highly connected societies rapidly exchange ideas, they do not distribute culture evenly. The internet hasn’t unified culture so much as it has enabled people to form subcultures independent of distance. Minorities who find themselves outnumbered at home can form supportive communities online. Cultures will be more diverse within a given location in societies that are very connected.

Natural Cycles and Patterns

star constellations
Nakshatras by Kishorekumar 62 used under CC BY-SA 3.0

Society becomes obsessed with life or death events that are outside anyone’s control. These dramatic events usually come from:

  • Weather: Our food and water supplies depend on yearly climate patterns, including flooding, storms, and dry spells.
  • Orbital cycles: A space colony might find themselves bombarded by asteroids when the planets are in a specific position.
  • Plate tectonics: Earthquakes and volcanoes have destroyed entire cities.

Every human civilization has identified and named star constellations. It’s not just that we have a natural inclination to find patterns in random occurrences; it’s also that we’ve used the stars as our calendars. Without a calendar, we couldn’t accurately anticipate seasonal changes. Strange celestial events like comets were widely considered bad omens, because people believed the stars determined destiny.

Important natural events inevitably appear in a culture’s belief systems. For instance, Ancient Egyptian civilization depended on the Nile. The river’s regular cycles of flooding and retreat became symbols of life and death. Many cultures have seasonal holidays and festivals that reflect how their lifestyles change throughout the year.

Any society with a history of disastrous events such as volcanoes eruptions or earthquakes will have coping mechanisms in place. In less advanced cultures, a religious figure or other guardian may be charged with watching the disaster area, appeasing it with rituals, or warning their people before a catastrophe. Sometimes these measures help protect people from disasters, sometimes they merely give the society a false sense of safety, even preventing them from evacuating when they need to.


tile art with women holding placards

While cultures change over time, that change can be slow and uneven. Any culture will have numerous remnants of their past. These remnants are especially likely to reflect:

  • Dramatic events: Great tragedies and upheavals can impact the cultural mindset for hundreds of years.
  • Old ways of life: Your culture may have a new lifestyle but look back on their old ones with wonder or nostalgia.
  • Bitter feuds: Wounds inflicted on one group by another will be sore for a long time, sometimes leading to centuries of violence between groups.

The United States is an industrial democracy, but our imagination is captured by our less comfortable past. Kids are taught nostalgic songs like Old McDonald Had a Farm as though farming is still central to the average person’s life, when only about 2% of the population are engaged in farming or ranching. Our fantasy literature is filled with stories starring the rightful heir of a kingdom, even though we know that one person never has the right to control the lives of everyone else. Many of the symbols we consider mystical today – such as the hourglass – were once normal tools.

While the dominant group in a society might glorify the past, less dominant groups can rarely forget the atrocities that were inflicted on them. When a Native American watches a white person casually wear a feather headdress that’s sacred to their tribe, they do so with a strong cultural memory of being exploited by whites. The cultural interpretation of an event today is strongly influenced by its relationship to history. For instance, giving a homophobic speech at the Stonewall Inn – the first national monument dedicated to gay rights – would make people much angrier than if it were given elsewhere.

Dramatic events can determine how a society feels. Unfortunately, people are particularly motivated by fear. In the US, Pearl Harbor and 9/11 defined who was perceived as enemies for at least a generation. But tragic events can lead to positive outcomes as well. Britain achieved an unprecedented level of national unity in the face of Nazi bombing during WWII, leading to the establishment of vital social programs that lasted for many decades after the war ended.*

Thinking about how your fictional culture formed doesn’t just create a more realistic world; it’s also a lot of fun. Add an important event to your culture’s history, and watch its effects spill over into multiple aspects of the society. Pretty soon you’ll have a complex civilization that you understand completely.

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