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Thucydides Trap Questioned as US and China Seek Diplomatic Coexistence

opinion-review · 2026-09-29

An opinion article in the South China Morning Post suggests that a decade of analysis using the Thucydides Trap to interpret US-China relations may not accurately reflect reality. Instead of viewing conflict as inevitable, the piece highlights that both Beijing and Washington are currently engaging in diplomatic maneuvers akin to signaling before changing lanes, indicating a potential for coexistence without escalating to war. It argues that any discussion about power transitions should start with an understanding of power dynamics. In 2025, the US economy was estimated at around US$30.6 trillion, while China's was approximately US$19.4 trillion, making China's economy about 63 percent the size of the US's. The commentary challenges those who deem tensions unavoidable, asserting that both nations are prioritizing dialogue and restraint over aggression for the time being.

Key facts

  • The Thucydides Trap has dominated US-China relations debate for a decade
  • The opinion piece argues the concept is a poor fit for reality
  • Beijing and Washington are described as choosing the diplomatic equivalent of indicating before changing lanes
  • The US economy was worth about US$30.6 trillion in 2025 by market exchange rates
  • China's economy was valued at US$19.4 trillion in 2025
  • China's economy is roughly 63 per cent the size of the US economy
  • The analysis says power transition discussions must start with power itself
  • The article was published by the South China Morning Post

Entities

Institutions

  • South China Morning Post

Locations

  • Beijing
  • China
  • Washington
  • United States

Sources