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Global Impact of International Sign Language (ISL)

One of the most common myths with sign language is that it is universal, but this is not true. Click here to learn about International sign language!

Author:
Molly Glass
Global Impact of International Sign Language (ISL)

One of the most common myths with sign language is that it is universal, and understood from country to country. However, when you consider we do not have a universal spoken language, it makes sense that each country has its own sign language, sometimes even more than one. In the United States alone, we have Conceptually Accurate Signed English (CASE), Signing Exact English (SEE), American Sign Language (ASL), and also Pidgin Signed English (PSE) which combines rules from more than one source such as English and ASL.

The question comes up, how do Deaf traveling abroad communicate with other Deaf? 

Enter ISL, or International Sign Language. 

Brief Origins of International Sign Language (ISL)

It is typical for Deaf people to know only one sign language of their origin country. When Deaf people lack a common sign language, pidgin usage increases which is a combination of more than one language, plus gestures that arise on the spot. ISL was the outcome of international gatherings back in 1951 when the World Federation of the Deaf (WFD) was formed as an organization and is their official language.

It is not as robust as most sign languages, capping at slightly more than 1,400 signs total. It is mainly used in international settings such as Deaf Olympics, United Nations briefings, World Federation of the Deaf briefings, UN conferences, etc.

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Importance of ISL in Fostering Global Communication

International signs first came to my attention after the introduction of Covid-19. Suddenly on different social media platforms, I was seeing PSAs from the World Federation of the Deaf about steps I could take to prevent the spread of disease. Instead of ASL, I was seeing these videos in ISL which made me curious enough to google. 

Surprisingly, some signs are familiar to me and the same as ASL, such as HELP. Others were comprehensible, such as the ISL sign for PEOPLE with the index and thumb slightly spaced apart and moved around to show groupings. 

Did you know that many Certified Deaf Interpreters (CDI) will use ISL to help bridge the gap when interpreting for Deaf people from other countries? ISL incorporates a lot of gestures and loan signs from different countries, to maximize understanding. ISL was also called Gestuno for this reason, incorporating gesture and oneness as a word, but it's a lesser used name. 

Some signs are “iconic” meaning they visually represent what it’s trying to say, such as BOOK which is two hands opening and closing together, or TIME where you tap your wrist. A great many ISL signs are iconic. For fingerspelling, it is similar to the ASL alphabet (the letter “T” is different), although numbers include both hands like the British family of sign languages (UK, Australian, New Zealand, etc). 

Experience ISL for Yourself

By now you’re probably curious what International Sign looks like and how much of it you would understand. Check this YouTube video of 100 International Signs from the World Federation of the Deaf (WFD) Youth Camp. I found the sign for AGE to be really interesting, did you? 

If you are a sign language interpreter who often works with immigrant clients, or a globe trotting Deaf traveler who enjoys meeting Deaf communities around the world, it may be worth adding ISL to your toolbelt. Not many d/Deaf know ISL, but you can learn from an interpreter training course online such as this one which has an RID (Registry of Interpreters for the Deaf) endorsement. 

The Future of ISL for Deaf Communities

What is the goal of International Sign going forward? Contrary to what may be assumed, the goal is respect and preservation of all sign languages around the world – and not universalization of one sign language. To push for one universal language would deny the human right of complete communication access for many Deaf people. 

In the words of the WFD board:

“Every sign language in the world, like any spoken language has its own heritage, history, culture and traditions…” (Source Link)

It is my take that ISL is the result of the resilient spirit of Deaf around the world who are determined to communicate no matter what barriers they encounter. They know full well the struggles as a Deaf person in any country, and ISL is a step outside of that comfort zone to build bridges. 

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Molly Glass

Molly, a Deaf mom of two CODAs, lives with her hearing partner of almost 14 years in the scenic Blue Ridge mountains of Virginia. Profoundly Deaf since 18 months old, she enjoys writing about the lived Deaf experiences and advocacy. In her free time she reads, and is very slowly working on authoring her first book.

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Global Impact of International Sign Language (ISL)

Key Findings

  • Workplace Impact: 62% of Deaf and 66% of Hard-of-Hearing individuals report that communication barriers hinder career mobility.
  • Healthcare Challenges: 62% of Deaf and 66% of Hard-of-Hearing individuals experience communication barriers in healthcare settings, contributing to delays in treatment.
  • Concerns About Emergency Communications: 20% of Deaf and 24.3% Hard-of-Hearing users also expressed serious concerns that communication barriers would prohibit them from contacting healthcare personnel in an emergency situation.
  • Independence Boost: Assistive technology nearly doubled rates of independence, with 60% of Deaf users and 63% of Hard-of-Hearing users reporting increased autonomy.
  • Emotional Strain: 55% of Deaf users and 83% of Hard-of-Hearing users reported emotional distress due to communication frustrations.
  • Social and Professional Opportunities: 46% of Deaf and 32.9% of Hard-of-Hearing users saw improved social and career prospects thanks to assistive technologies.

Empowering the Deaf and Hard-of-Hearing Through Technology: A New Era of Communication and Independence

At Nagish, we’ve seen firsthand just how much communication shapes daily life for Deaf and Hard-of-Hearing communities. Our recent survey highlights the significant barriers they face in the workplace, healthcare settings, and in their social lives. But it also sheds light on a powerful solution: assistive technology. The results of this survey reinforce our commitment to empowering these communities and remind us why our mission matters: with access to the right tools, independence grows, opportunities expand, and well-being improves.

We collected data through a comprehensive survey involving over 300 individuals who are Deaf or Hard-of-Hearing and currently use hearing assistive technology. The survey included 179 Deaf and 140 Hard-of-Hearing participants, with data collected in an inclusive and accessible manner to ensure that everyone could participate and share their experiences without barriers.Communication Barriers in the Workplace: Limiting Career Mobility

Communication challenges in the workplace remain one of the most significant hurdles for Deaf and Hard-of-Hearing individuals, preventing them from fully realizing their career potential. Assistive technology offers a solution by removing these barriers and expanding access to a broader range of job opportunities and career growth.

A majority of Deaf and Hard-of-Hearing participants reported that communication barriers affected their career decisions, making it harder to pursue job opportunities or advance in their careers.

Deaf Participants

Hard-of-Hearing participants

65% of Deaf users rely on assistance from hearing individuals at least once a week to communicate effectively, which can limit their ability to fully engage in dynamic work environments.

Communication Barriers in Healthcare: A Matter of Public Safety
Communication challenges are not just a workplace issue — they extend into healthcare settings, where they can directly impact individuals’ health outcomes. Accessible communication tools are essential for ensuring that Deaf and Hard-of-Hearing individuals can receive timely and accurate medical care, especially in emergency situations

Many Deaf and Hard-of-Hearing users face communication barriers in healthcare settings, which can lead to missed appointments, misunderstandings about medical treatments, and delayed care.

Deaf users:

62%

Hard of Hearing users:

66%

Some Deaf and Hard-of-Hearing users have concerns about reaching healthcare professionals in emergencies, highlighting serious public safety risks.

Deaf users

Hard-of-Hearing users

Empowering Independence Through Assistive Technology
One of the most encouraging findings from our survey is just how much independence is boosted with assistive technology. This improvement in independence is not just about doing things on their own; it’s about having the confidence and ability to engage fully in both professional and personal settings.

Assistive technology has significantly increased the independence of Deaf and Hard-of-Hearing users in managing daily tasks, showing clear improvements after adoption.

Deaf users

Hard-of-Hearing users

Expanding Social and Professional Opportunities
Beyond independence, assistive technology creates connection.By removing communication barriers that keep people from joining in socially or professionallyassistive technology allows users to engage more deeply in social activities and pursue career opportunities that were previously out of reach.

Assistive technology has helped Deaf and Hard-of-Hearing users expand their social networks and professional opportunities, enabling new connections and career growth.

Emotional and Psychological Impact: The Hidden Toll of Communication Barriers
People often overlook the emotional and psychological toll of communication , but they can have a profound impact on the mental well-being of Deaf and Hard-of-Hearing individuals. Assistive technology can help alleviate this emotional strain, empowering users to communicate more effectively and reducing the anxiety associated with relying on others for basic communication.

A significant number of Deaf and Hard-of-Hearing users experience frustration and anxiety when communicating with family and friends, leading to isolation and stress.

Deaf users

Hard-of-Hearing users

Why This Matters: A Call for Widespread Adoption of Assistive Technologies
The findings from our survey are clear: communication barriers continue to limit the lives of Deaf and Hard-of-Hearing individuals in many areas, from the workplace to healthcare to their social lives. What’s also clear to us is that the question isn’t whether assistive technology helps—it’s how quickly we can make this powerful solution universally available.. By making these tools more accessible, we can open up new opportunities for individuals to thrive in their careers, maintain better health, and lead more independent lives.
At Nagish, we are committed to advocating for the integration of assistive technologies in all aspects of life. Whether it’s in healthcare, the workplace, or social settings, these technologies have the potential to create a more inclusive society where Deaf and Hard-of-Hearing individuals can live fully empowered lives. 
Our hope is that these findings inspire not just awareness, but action. We hope this survey creates awareness and action in promoting accessibility and inclusion for these communities. Together, we can create a world where everyone, regardless of their hearing abilities, has equal access to opportunities and services.