Aztec Sacrifice - The Meaning and Practice of Mexica Ritual Killings

Were the Aztecs as Bloodthirsty as They Are Said to Be?

Page from the Book of the Life of Ancient Mexicans, Codex Magliabecci, XIII, 11, 3
Page from the Book of the Life of Ancient Mexicans, Codex Magliabecci, XIII, 11, 3. SuperStock / Getty Images

Human sacrifice was famously part of the Aztec culture, famous in part because of deliberate propaganda out of the Spanish conquistadors in Mexico, who at the time were involved in executing heretics and opponents in bloody ritual displays as part of the Spanish Inquisition. The over-emphasis on the role of human sacrifice has led to a distorted view of Aztec society: but it is also true that violence formed a regular and ritualized part of life in Tenochtitlan.

How Prevalent Was Human Sacrifice?

As many Mesoamerican people did, the Aztec/Mexica believed that sacrifice to the gods was necessary to ensure the continuity of the world and the balance of the universe. They distinguished between two types of sacrifice: those involving humans and those involving animals or other offerings.

Human sacrifices included both self-sacrifice, such as bloodletting, as well as the sacrifice of the lives of other human beings. Although both were quite frequent, the second one gained the Aztecs the fame of being a bloodthirsty and brutal people who worshiped cruel deities.

Meaning of Aztec Sacrifices

For the Aztecs, human sacrifices fulfilled multiple purposes, both at the religious and socio-political level. They considered themselves the “elected” people, the people of the Sun who had been chosen by the gods to feed them and were responsible for the continuity of the world.

On the other hand, when the Mexica became the most powerful group in Mesoamerica, human sacrifices acquired the added value of political propaganda: required human sacrifice was a way to keep Aztec hegemony over its subject states.

The rituals connected with the sacrifices, such as ceremonies, and so-called "flowery" wars intended to obtain war captives and slaves, served the Aztecs to subjugate their neighbors and to send a political message to both their own citizens as well as foreign leaders.

A recent cross-cultural study by Watts et al. examines the role of human sacrifice in propping up and supporting the elite class structure, and that may also be part of the underlying reasons.

But Pennock (2011) argues that to simply write off Aztecs as bloodthirsty and uncivilized mass murderers misses the real role of human sacrifice to Aztec society: as a deeply held belief system and part of the requirements for the renewal, sustaining and refreshing of life.

Forms of Aztec Sacrifices

Human sacrifice among the Aztec usually involved death by heart extraction. The victims were chosen carefully according to their physical characteristics and to the gods to whom they would be sacrificed. Some gods were honoured with brave war captives, other just with slaves. Men, women and children were sacrificed. Children were especially chosen to be sacrificed to Tlaloc, the rain god. The Aztecs believed that the tears of new-born or very young children could ensure rain.

The most important place where sacrifices occurred was the Huey Teocalli, at the Templo Mayor (Great Temple) of Tenochtitlan. Here a specialist priest removed the heart from the victim and threw the body down the steps of the pyramid; and the victim's head was cut off and placed on the tzompantli, or skull rack.

Flowery Wars

However, not all sacrifices took place on top of pyramids. In some cases mock-battles were organized between the victim and a priest, in which the priest fought with real weapons and the victim, tied to a stone or a wooden frame, fought with wooden or feathered ones. Children sacrificed to Tlaloc were often carried to the god’s sanctuaries on top of the mountains that surround Tenochtitlan and the Basin of Mexico in order to be offered to the god.

The chosen victim would be treated as a personification on earth of the god until the sacrifice took place. The preparation and purification rituals often lasted more than one year, and during this period the victim was taken care of, fed, and honored by servants.

Most ritual killings were practiced by religious specialists, but Aztec rulers themselves often took part in the dramatic ritual sacrifices such as the dedication of Tenochtitlan's Templo Mayor in 1487.

Ritual human sacrifice also took place during elite feasting, as part of the flaunting of power and material wealth.

Human Remains as Evidence

Apart from the Spanish and indigenous texts describing rituals involving human sacrifice, there is also archaeological evidence for the practice. Recent investigations at the Templo Mayor have identified the burials of high-ranking personages who were ritually buried following cremation. But the majority of human remains found in Tenochtitlan excavations were sacrificed individuals, some beheaded and some with their throats cut.

One offering at the Templo Mayor (#48) contained the remains of some 45 children sacrificed to Tlaloc. Another at Tlatelolco's Temple R, dedicated to the Aztec god of the rain, Ehecatl-Quetzalcoatl, contained 37 children and six adults. This sacrifice was carried out at Temple R's dedication during the great drought and famine of AD 1454-1457. The Tlatelolco project has identified thousands of human burials which were ritually deposited or sacrificially offered. In addition, evidence of human blood residue at the House of the Eagles in Tenochtitlan's ceremonial precinct indicate bloodletting activities.

How Many???

According to some Spanish records, 80,400 people were slaughtered at the dedication of the Templo Mayor, a number likely exaggerated by either the Aztecs or the Spanish, both of whom had reasons to inflate the numbers. The number 400 had a significance to Aztec society, meaning something like "too many to count" or the biblical notion involved in the word "legion".

There is no doubt that an unusually high number of sacrifices did occur, and 80,400 could be construed to mean 201 times "too many to count".

Based on the Florentine codex, scheduled rituals included a figure of around 500 victims a year; if those rituals were conducted in each of the calpulli districts of the city, that would be multiplied by 20.

Pennock (2012) argues persuasively for an annual number of victims in Tenochtitlan of between 1,000 and 20,000.


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Updated by K. Kris Hirst