No, there is no universal sign language. Just like spoken languages, sign languages vary by country and region. American Sign Language (ASL), British Sign Language (BSL), and Lengua de Signos Española (LSE) are all separate languages with different grammar, vocabulary, and cultural context. There is no single sign language that all Deaf people use around the world.
However, there is a system called International Sign that helps bridge communication at global events.
Why sign languages differ
Sign languages develop naturally within Deaf communities. They are shaped by culture, location, and shared experience, not by spoken language. That’s why ASL is completely different from BSL, even though English is the primary spoken language in both the U.S. and the UK.
Some countries have more than one sign language. For example, Spain recognizes both LSE (Spanish Sign Language) and LSC (Catalan Sign Language). In other countries, regional dialects or variants exist within the same national language.
What is International Sign?
International Sign (IS) is a simplified sign communication system used at international conferences, events, or large global gatherings. It’s not a full language, but a set of widely understood gestures and signs that draw from multiple sign languages, especially ASL and European signs.
International Sign is often used when no common national sign language is shared. It’s common at:
- UN meetings and official events
- World Federation of the Deaf conferences
- International sporting or political events
- Global webinars or livestreams
Interpreters trained in International Sign use visual grammar, gestures, and context to communicate across linguistic boundaries. It is most effective when participants have high visual literacy and prior sign language experience.
Why this matters for accessibility
When planning an event with international attendees, it’s important to know that one sign language won’t cover all participants. If your audience includes Deaf individuals from different countries, you may need:
- Multiple national sign language interpreters
- An International Sign interpreter
- Captioning or written summaries in multiple languages
InterpretCloud helps organizations plan for accessible, multilingual events by offering sign language support in ASL, LSE, BSL, and International Sign. Services can be delivered remotely or on-site, depending on the setup.
Final takeaway
Is there a universal sign language? No. Sign languages are just as diverse as spoken ones. While International Sign exists for global communication, it’s not a replacement for full national sign languages. Understanding this difference is key to building inclusive, accessible communication across countries and cultures.
Need help choosing the right interpreting solution for your audience? InterpretCloud can help you build a multilingual access plan tailored to your event. Book a quote now.
