Unverified50% confidenceFactExact time
According to data from the World Federation of the Deaf, the ratio of sign language interpreters to deaf people in many countries is less than 1:50, with appointment wait times reaching several days or even weeks.
1
Sources
50%
Confidence
Long-term
Relevance
8/14/2026
First Seen
Sources
手语转文字AI：SL2T模型如何实现无障碍沟通
Related Claims
Unverified人类专业同传译员通常每隔15-20分钟就需换班，全球持证同传译员数量不足数千人74% similarUnverifiedThere are fewer than 10,000 certified sign language interpreters in the United States, and the supply of sign language interpretation services is severely insufficient.68% similarVerifiedSimultaneous interpretation requires the interpreter to complete translation output with a 2–4 second lag while listening to the source language.67% similar
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