Key Facts about Taiwan Strait

Sept. 7, 2025

China's military recently said its forces had followed and warned a Canadian and an Australian warship, which were sailing through the sensitive Taiwan Strait, in a move it criticised as a provocation.

About Taiwan Strait:

  • Taiwan Strait, also called Formosa Strait, separates continental Asia and the island of Taiwan.
  • It extends from the South China Sea in the southwest to the East China Sea in the northeast.
  • It runs between the coast of the Fujian (Fukien) Province and the island of Taiwan.
  • It has an average width of 180 km, while its narrowest part is 130 km wide.
  • It sits on Asia’s continental shelf that runs along the entire stretch of the strait.
  • It is relatively shallow. It has an average depth of about 490 ft and a minimum depth of 82 ft.
  • Ports: The chief ports are Amoy in mainland China and Kao-hsiung in Taiwan.
  • Rivers: Several rivers, including the Jiulong and Min rivers from China’s Fujian Province, drain into the Taiwan Strait.
  • Islands:
    • Kinmen and Matsu are two of the largest and most significant islands in the strait located off the Fujian coast of China.
    • The biggest islands along the Taiwan side include Penghu (or Pescadores), Xiamen, and Pingtan.
    • The Xiamen and Pingtan Islands are administered by the People’s Republic of China, while the other three islands: Penghu (or Pescadores), Kinmen, and Matsu are under the administration of the Republic of China (Taiwan).
    • Penghu (or Pescadores) Island is the largest and most populous island in the Taiwan Strait.
  • It serves as a busy navigational waterway, on which millions of tons of cargo are ferried annually.
  • The strait is also one of the most important fishing grounds in China, and more than a hundred economically important fish species are found here.

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