Aztec Tribute System

Timeline

1. c. 1330–1370Tenochtitlan and Azcapotzalco · Valley of MexicoAfter founding their city, the Mexica gradually accepted the suzerainty of the Tepanec hegemon Azcapotzalco, promising regular tribute and military service in exchange for autonomy. The tribute list covered maize, beans, dried fish, waterfowl, cocoa, and handwoven textiles, with collection supervised by the city-state's noble council.
2. 1371–1380Tenochtitlan tribute warehouses and docks · TenochtitlanIn the 1370s, Tenochtitlan established tax collectors (calpixque) responsible for tallying, storing, and shipping tribute, which was sent to Azcapotzalco on schedule according to solar calendar months and the suzerain's decrees. Insufficient or late tribute would bring military punishment from the suzerain, forcing the city-state to intensify chinampas agriculture and trade to meet quotas.
3. 1375–1380Campaign routes in the Valley of Mexico · Valley of MexicoBesides in-kind tribute, the Mexica had to provide warriors to the suzerain for campaigns in the valley and hand over war captives, who were an important source for religious sacrifice and labor. In the 1370s, such military tribute service gave Mexica warriors combat experience while deepening their understanding of the tribute-military-religion trinity.