Science, Tech, Math › Social Sciences Calpulli: The Fundamental Core Organization of Aztec Society Political and Social Neighborhoods in Ancient Aztec Mexico Share Flipboard Email Print Houses making up the Aztec calpulli were built with mud bricks and thatched roofs. Getty Images / De Agostini Picture Library Social Sciences Archaeology Ancient Civilizations Basics Excavations History of Animal and Plant Domestication Psychology Sociology Economics Environment Ergonomics Maritime By Nicoletta Maestri Archaeology Expert Ph.D., Anthropology, University of California Riverside M.A., Anthropology, University of California Riverside B.A., Humanities, University of Bologna Nicoletta Maestri holds a Ph.D. in Mesoamerican archaeology with fieldwork experience in Italy, the Near East, and throughout Mesoamerica. our editorial process Nicoletta Maestri Updated March 10, 2019 A calpulli (kal-POOH-li), also spelled calpolli, singular calpul and sometimes known as tlaxilacalli, refers to the social and spatial neighborhoods which were the main organizing principle in cities throughout the Central American Aztec empire (1430–1521 CE). Fast Facts: Calpulli Calpul (plural calpulli) is the Aztec word for the comparable Spanish term "barrio." Calpulli were collections of people in small rural villages or political wards in cities who worked in and shared ownership, more or less, of the property and fields. Calpulli were the lowest social order in Aztec society, and the most populous. They were administered by locally-selected leaders, sometimes but not always kin-based, and paid taxes to the Aztec state as a collective. Calpulli, which means roughly "big house" in Nahua, the language spoken by the Aztecs, was the fundamental core of Aztec society, an organizational unit broadly corresponding to a city ward or a Spanish “barrio.” More than a neighborhood, though, the calpulli was a politically-organized, territory-holding group of peasants, who lived near one another in rural villages or in neighborhoods in larger cities. The Calpulli's Place in Aztec Society In the Aztec empire, calpulli represented the lowest and most populous social unit under the level of the city-state, called in Nahua an altepetl. The social structure looked mostly like this: The top level consisted of the member cities of the Triple Alliance: Tlacopan, Tenochtitlan, and Texcoco. The highest administrative authorities in the Triple Alliance were called Huetlatoani.Subject to the Triple Alliance were the altepetl (city-states), led by a dynastic ruler known as a tlatoani (plural tlatoque). These were smaller urbanized centers which had been conquered by the Triple Alliance.Finally, calpulli were small rural villages or wards in altepetls or cities, led by chiefs and a council of elders. In Aztec society, the altepetl were connected and aligned city-states, all of whom were subject to the authorities at whichever city had conquered them, Tlacopan, Tenochtitlan, or Texcoco. The populations of both big and small cities were organized into calpulli. At Tenochtitlan, for example, there were eight distinct and roughly equivalent calpulli within each of the four quarters that made up the city. Each altepetl was also made up of several calpulli, who would as a group contribute separately and more or less equally to the common tax and service obligations of the altepetl. Organizing Principles In the cities, the members of a particular calpulli typically lived within a cluster of houses (calli) located near one another, forming wards or districts. Thus "calpulli" refers to both a group of people and the neighborhood they lived in. In the rural parts of the Aztec empire, calpulli often lived in their own separate villages. Calpulli were more or less extended ethnic or kin groups, with a common thread that united them, although that thread varied in meaning. Some calpulli were kin-based, related family groups; others were made up of unrelated members of the same ethnic group, perhaps a migrant community. Others functioned as guilds—groups of artisans who worked gold, or kept birds for feathers or made pottery, textiles, or stone tools. And of course, many had multiple threads uniting them. Shared Resources People within a calpulli were peasant commoners, but they shared communal farmlands or chinampas. They worked the land or fished, or hired non-connected commoners called macehualtin to work the lands and fish for them. The calpulli paid tribute and taxes to the leader of the altepetl who in turn paid tribute and taxes to the Empire. Calpullis also had their own military schools (telpochcalli) where young men were educated: When they were mustered for war, the men from a calpulli went into battle as a unit. Calpullis had their own patron deity and a ceremonial district with administrative buildings and a temple where they worshiped. Some had a small market where goods were traded. The Power of the Calpulli While the calpulli were the lowest class of the organized groups, they were not poor or without influence in the greater Aztec society. Some of the calpulli controlled lands up to a few acres in area; some had access to a few elite goods, while others did not. Some artisans might be employed by a ruler or affluent noble and compensated handsomely. Commoners could be instrumental in a significant provincial power struggle. For example, a populist uprising based in a calpulli in Coatlan was successful in calling in the Triple Alliance to help them overthrow an unpopular ruler. Calpulli-based military garrisons were dangerous if their loyalty wasn't rewarded, and military leaders paid them handsomely to avert massive looting of conquered cities. Calpulli members also played roles in society-wide ceremonies for their patron deities. For example, calpulli that were organized for sculptors, painters, weavers, and embroiderers played significant active roles at ceremonies dedicated to the goddess Xochiqetzal. Many of these ceremonies were public affairs, and the calpulli participated actively in those rituals. Chiefs and Administration Even though the calpulli was the main Aztec unit of social organization and included the majority of the population, little of its political structure or composition is fully described in the historical records left by the Spanish, and scholars have long debated the precise role or makeup of calpulli. What is suggested by the historical records is that the chief of each calpulli was the paramount and highest-ranking member of the community. This officer was usually a man and he represented his ward to the larger government. The leader was in theory elected, but several studies and historic sources have shown that the role was functionally hereditary: Most calpulli leaders came from the same family group. A council of elders supported the leadership. The calpulli maintained a census of its members, maps of their lands, and provided tribute as a unit. 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