In a 2012 forum on early state formation in China, Wang Zhenzhong's paper 'Indicators of State Formation: With a Discussion of the State Theory Based on the Four-Tiered Settlement Hierarchy' asked which material indicators mark the appearance of the state, criticized reliance on the classic four-tier settlement-hierarchy criterion alone, and advocated recognizing states through the joint appearance of social stratification and institutionalized coercive power, claiming that archaeological grounds and materialized forms can be provided for this approach — but without supplying a fully general, operational method for combining these relative indicators into a decision distinguishing states from chiefdoms across different regions and periods. The question remains open. Later literature has undermined individual criteria (archaeological wealth proxies remain contested; the settlement-hierarchy emphasis has not yielded a discriminator), reframed social complexity as an approximately one-dimensional continuous scale (the Seshat Global History Databank, a large cross-culturally coded dataset of historical polities), proposed process models of primary state formation that presuppose rather than supply identification criteria, contested the chiefdom/state typology itself, and continued to adjudicate boundary cases — above all Liangzhu — case by case with bespoke indicator combinations. No validated general criterion exists. A solution is a specified, independently validated, cross-regionally reliable method for combining stratification and coercive-power indicators.

Background

Archaeologists who study the origin of political complexity must classify societies that left few or no written records using categories originally defined from ethnography and text-based history. In the neo-evolutionary scheme that became standard after the mid-twentieth century (the program of arranging societies in an evolutionary sequence of stages — band, tribe, chiefdom, state), the two categories at the threshold of statehood are the chiefdom and the state. A chiefdom is a regional polity in which a hereditary chief, standing at the head of a kin-ranked social hierarchy, centralizes economic, ritual, and political functions; current reference works still define it in essentially this way. An early (or archaic) state, in the archaeological usage, is a polity with specialized, permanently centralized institutions of administration and coercive power that operate at least partly independently of kinship. Where exactly the boundary between the two lies — and whether a sharp boundary exists at all — has been disputed since these categories were introduced.

The most influential operational test proposed for drawing that boundary archaeologically was the settlement-hierarchy criterion. Working on regional survey data from southwestern Iran, Gregory Johnson and Henry Wright argued that a state is minimally marked by a decision-making hierarchy of at least four levels — three levels of control above the local community — and that this administrative structure is visible in the material record as a four-tier hierarchy of settlement sizes (a 'settlement hierarchy' is the ranking of contemporaneous sites in a region by size, taken as a proxy for administrative levels). Because regional settlement survey is comparatively inexpensive and widely practiced, the four-tier test became a standard textbook marker of statehood and was applied far beyond Iran, including to Neolithic and Bronze Age China.

Chinese scholarship engaged this framework directly. In a 2012 forum in Social Sciences in China on early states in China, Wang Zhenzhong took up precisely the question of indicators: which material signs mark state formation, and how much weight can the four-tier settlement-hierarchy theory of the state bear. His position, as stated in the paper's abstract, is that any theory of state formation based solely on a four-tiered settlement hierarchy is limited, since it fails to explain whether a state has come into being and cannot serve as the standard of judgment, and that statehood should instead be recognized from the joint appearance of social stratification (ranked strata and classes, visible archaeologically in differential burials, settlements, and mobilized labor) and institutionalized coercive power (public authority standing above society, visible in administrative and coercive apparatus), rather than from settlement tiers or any other single criterion. The thesis is framed in general terms, with ancient China (Xia-Shang-Zhou subordination versus Qin-Han prefecture-county administration) as the motivating illustration. The paper claims operability for this approach in principle — archaeological grounds and materialized forms can be provided for it — but does not specify how these relative indicators are to be combined, in concrete archaeological practice, into a fully general method for distinguishing states from chiefdoms across regions and periods.

The question is not abstract. Several of the world's most prominent prehistoric polities sit on the disputed boundary and are classified differently depending on which indicators are used and how they are weighted. The Liangzhu culture of the Lower Yangtze (c. 3300–2300 BC) — with a fortified center, massive hydraulic construction, extreme elite burials with jade regalia, and a settlement hierarchy, but no writing and no metallurgy — was inscribed by UNESCO in 2019 as revealing an 'early regional state' on the basis of social differentiation and a unified belief system, and specialists continue to debate whether, and by what criteria, it was a state (Colin Renfrew and Liu Bin argue from large-scale public works and elite burials that it may be the earliest state society in East Asia; Han Jianye calls it an early state with regional sovereign power; Guan Weilong argues it reached early statehood through ideological mobilization without writing or metallurgy). Comparable boundary disputes recur for the Erlitou polity in north China (a large Bronze Age urban center in the Yellow River valley whose state status is debated), for Hawaiian polities (which Patrick Vinton Kirch argued crossed from chiefdom to archaic state), and for Mesoamerican and Andean formations. At present each such debate proceeds case by case, with authors assembling bespoke combinations of indicators; there is no agreed general procedure, which is exactly the gap the source paper identifies.

Problem Statement

Construct a fully general, operational method — usable in concrete archaeological practice — for distinguishing state societies from complex chiefdoms by specifying how the relative indicators of social stratification and institutionalized coercive power are to be observed, scored, and combined into a classification decision.

The method must (i) state, for each indicator of stratification (e.g., ranked burials, differential housing and wealth distributions, evidence of mobilized labor) and of coercive power (e.g., administrative apparatus, fortifications, specialized weapons, centralized control of production and distribution), which material correlates are observed and how they are scored from the archaeological record; (ii) state the combination and decision rule that maps the scored indicators onto the state/chiefdom classification, including how to handle missing or unobservable indicators (as in cases without writing or metallurgy, such as Liangzhu); and (iii) be general across regions and periods — not calibrated to a single trajectory such as southwestern Iran, Oaxaca, the Lower Yangtze, or Hawai'i — with its cross-cultural reliability demonstrated rather than asserted, and with its behavior on genuinely contested boundary cases made explicit. That demonstration consists in applying the method to cases whose state/chiefdom status is assigned independently of the method itself and which are distinct from the cases used to calibrate it; those cases must span both classes and include at least one contested boundary case, and the method's agreement with the independently assigned statuses must exceed what a trivial baseline (such as assigning every case to its more frequent class) would achieve. Whether any stable general boundary warrants a binary state/chiefdom classification at all is itself to be decided on those same independently assigned cases.

The common scientific objective uniting these components is a validated, reproducible standard for the state/chiefdom classification in archaeology, replacing the current case-by-case practice of assembling bespoke indicator combinations.

References

  1. Wang Zhenzhong. 2012. Indicators of State Formation: With a Discussion of the State Theory Based on the Four-Tiered Settlement Hierarchy. Social Sciences in China 33(2): 153–163. DOI: 10.1080/02529203.2012.677289. https://doi.org/10.1080/02529203.2012.677289
  2. Gregory A. Johnson. 1973. Local Exchange and Early State Development in Southwestern Iran. Ann Arbor: University of Michigan Press. DOI: 10.3998/mpub.11396443. https://doi.org/10.3998/mpub.11396443
  3. Henry T. Wright and Gregory A. Johnson. 1975. Population, Exchange, and Early State Formation in Southwestern Iran. American Anthropologist 77(2): 267–289. DOI: 10.1525/aa.1975.77.2.02a00020. https://doi.org/10.1525/aa.1975.77.2.02a00020
  4. Robert D. Drennan and Christian E. Peterson. 2006. Patterned Variation in Prehistoric Chiefdoms. Proceedings of the National Academy of Sciences 103: 3960–3967. DOI: 10.1073/pnas.0510862103. https://doi.org/10.1073/pnas.0510862103
  5. Norman Yoffee. 2005. Myths of the Archaic State: Evolution of the Earliest Cities, States, and Civilizations. Cambridge: Cambridge University Press. ISBN 9780521818377. DOI: 10.1017/CBO9780511489662. https://doi.org/10.1017/CBO9780511489662
  6. Patrick Vinton Kirch. 2010. From Chiefdom to Archaic State: Hawai'i in Comparative and Historical Context. In How Chiefs Became Kings: Divine Kingship and the Rise of Archaic States in Ancient Hawai'i, 1–28. Berkeley: University of California Press. DOI: 10.1525/california/9780520267251.003.0001. https://doi.org/10.1525/california/9780520267251.003.0001
  7. Charles S. Spencer. 2010. Territorial Expansion and Primary State Formation. Proceedings of the National Academy of Sciences 107: 7119–7126. DOI: 10.1073/pnas.1002470107. https://doi.org/10.1073/pnas.1002470107
  8. Peter Turchin, Thomas E. Currie, Harvey Whitehouse, Pieter François, Kevin Feeney, Daniel Mullins, Daniel Hoyer, Christina Collins, Stephanie Grohmann, Patrick Savage, Gavin Mendel-Gleason, Edward Turner, Agathe Dupeyron, Enrico Cioni, Jenny Reddish, Jill Levine, Greine Jordan, Eva Brandl, Alice Williams, Rudolf Cesaretti, Marta Krueger, Alessandro Ceccarelli, Joe Figliulo-Rosswurm, Po-Ju Tuan, Peter Peregrine, Arkadiusz Marciniak, Johannes Preiser-Kapeller, Nikolay Kradin, Andrey Korotayev, Alessandro Palmisano, David Baker, Julye Bidmead, Peter Bol, David Christian, Connie Cook, Alan Covey, Gary Feinman, Árni Daníel Júlíusson, Axel Kristinsson, John Miksic, Ruth Mostern, Cameron Petrie, Peter Rudiak-Gould, Barend ter Haar, Vesna Wallace, Victor Mair, Liye Xie, John Baines, Elizabeth Bridges, Joseph Manning, Bruce Lockhart, Amy Bogaard, and Charles Spencer. 2018. Quantitative Historical Analysis Uncovers a Single Dimension of Complexity That Structures Global Variation in Human Social Organization. Proceedings of the National Academy of Sciences 115(2) (online 21 December 2017). DOI: 10.1073/pnas.1708800115. https://doi.org/10.1073/pnas.1708800115
  9. Colin Renfrew and Liu Bin. 2018. The Emergence of Complex Society in China: The Case of Liangzhu. Antiquity 92(364): 975–990. DOI: 10.15184/aqy.2018.60. https://doi.org/10.15184/aqy.2018.60
  10. Jianye Han. 2023. Liangzhu: An Early State with Regional Sovereign Power. In The Making of the Chinese Civilization. Singapore: Springer. DOI: 10.1007/978-981-99-4213-8_10. https://doi.org/10.1007/978-981-99-4213-8_10
  11. Weilong Guan. 2023. Liangzhu Culture and Its Challenges to Traditional Narratives of Civilization Emergence in China. Asian Archaeology 7: 163–174. DOI: 10.1007/s41826-023-00076-2. https://doi.org/10.1007/s41826-023-00076-2
  12. Liu Bin. 2020. Liangzhu Culture and the Ancient City of Liangzhu. In The Oxford Handbook of Early China. New York: Oxford University Press. DOI: 10.1093/oxfordhb/9780199328369.013.6. https://doi.org/10.1093/oxfordhb/9780199328369.013.6
  13. Li Liu. 2005. The Chinese Neolithic: Trajectories to Early States (first published 2004). Cambridge: Cambridge University Press. ISBN 9780521811842. DOI: 10.1017/CBO9780511489624. https://doi.org/10.1017/CBO9780511489624
  14. Timothy A. Kohler, Michael E. Smith, Amy Bogaard, Gary M. Feinman, Christian E. Peterson, Alleen Betzenhauser, Matthew Pailes, Elizabeth C. Stone, Anna Marie Prentiss, Timothy J. Dennehy, Laura J. Ellyson, Linda M. Nicholas, Ronald K. Faulseit, Amy Styring, Jade Whitlam, Mattia Fochesato, Thomas A. Foor, and Samuel Bowles. 2017. Greater Post-Neolithic Wealth Disparities in Eurasia than in North America and Mesoamerica. Nature 551: 619–622. DOI: 10.1038/nature24646. https://doi.org/10.1038/nature24646
  15. Andre Gingrich. 2022. Review of David Graeber, David Wengrow, The Dawn of Everything: A New History of Humanity (Farrar, Strauss and Giroux, New York 2021). Archaeologia Austriaca 106: 337–344. DOI: 10.1553/archaeologia106s337. https://doi.org/10.1553/archaeologia106s337
  16. David Graeber and David Wengrow. 2021. The Dawn of Everything: A New History of Humanity. New York: Farrar, Straus and Giroux. ISBN 978-0-3741-5735-7.
  17. Lin Yun. 2016. The Theoretical and Method Problems about 'Ancient State' 'Chiefdom' 'Kingdom' in China's Archaeology. The East Asian Ancient Studies 42: 295–318. DOI: 10.17070/aeaas.2016.06.42.295. https://doi.org/10.17070/aeaas.2016.06.42.295
  18. Wang Zhenzhong. 2018. The Emergence of Kingship in China: With a Discussion of the Relationship between Kingship and Composite State Structure in the Xia, Shang and Western Zhou Dynasties. Social Sciences in China 39(2): 5–21. DOI: 10.1080/02529203.2018.1448121. https://doi.org/10.1080/02529203.2018.1448121
  19. Chiefdom. 2021. In Encyclopedic Dictionary of Archaeology, p. 271. Cham: Springer. DOI: 10.1007/978-3-030-58292-0_30485. https://doi.org/10.1007/978-3-030-58292-0_30485