Difference Between ASL and BSL: Is Sign Language Universal?

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Posted by: Roland Rhett Last Updated: 24 Aug, 2026 Reading: --
Difference Between ASL and BSL: Is Sign Language Universal?

Britain and America share English, but their hands tell different stories. That difference goes far beyond a few hand movements. The main difference between ASL and BSL lies in their alphabets, grammar, signs and history. ASL is mainly used in America and parts of Canada. Meanwhile, BSL is widely used across the UK. ASL uses a one-handed alphabet, while BSL uses two hands. Both also belong to separate language families. Because of this, their users cannot easily understand each other. If you live in the UK, BSL is normally the right choice. 

Now, let’s dive in and explore the key differences between ASL and BSL. 

Are ASL and BSL the Same?

Many people believe a common myth about communication. They think everyone uses the same hand gestures. This idea often comes from a simple misunderstanding. People assume that shared English means shared signs. 

However, spoken English does not control sign language. Sign languages are visual and have unique rules. They do not follow the sounds of words. Consequently, these two systems grew apart over time.

Can a British signer understand an American friend? The short and simple answer is no. They are as different as Italian and German. In fact, they share very few identical signs. You might see a few similar basic movements. But most complex sentences will look very strange. Therefore, they cannot communicate deep ideas together.

  1. British signer\s use two hands for spelling.
  2. American signers prefer using only one hand.
  3. Both groups have unique cultural slang terms.
  4. Their grammar structures follow very different paths.

Furthermore, this distance creates a real social barrier. Learning one does not mean you know both. Similarly, a video from America will confuse learners here. It is important to remember this vital fact. They are separate languages with their own pride. 

As a result, users stay within their own systems. This choice helps you connect with people nearby. Choose the correct one for your local area. Doing so will make your new life much easier. Stay focused on the version used in your community.

What Is The Primary Difference Between ASL and BSL?

When you first see them, they might look similar. Both languages use hand shapes, body movements, and expressions. However, their roots are actually planted in different soil. The history of these languages explains a lot today.

Language Families

Most people assume BSL and ASL are related to English. Surprisingly, they are not based on the English spoken language. They belong to entirely different and separate language families. BSL is part of the BANZSL language family group. This stands for British, Australian, and New Zealand Sign Language.

These three countries share many signs and similar grammar. On the other hand, ASL has a different history. It is actually derived from French Sign Language, or LSF. A long time ago, American teachers visited France for help. They brought French signs back to the United States.

Because of this, ASL is more like French signing. BSL remained unique to the British Isles and colonies. This history creates a major difference between them. You can think of them as two different trees. They may both have leaves, but the roots are separate.

Alphabet Differences

The easiest difference to see is how people spell words. We call this fingerspelling, or the manual alphabet. In the UK, BSL users spell letters with two hands. One hand acts as a base. Then, the other hand points to or touches it.

This two-handed system is a well-known part of British signing culture. In contrast, ASL users spell with only one hand. They can make every letter from A to Z. For this, they use their main right or left hand.

If you use two hands in America, people get confused. If you use one hand here, people might struggle. Newcomers should practise the two-handed BSL alphabet every day. It is the best way to start your local journey.

Why is There a Difference Between ASL and BSL? 

Thomas Braidwood opened a very successful academy in Edinburgh. This happened during the late 1700s. He used a two-handed system for his students. Over time his pupils shared these signs across the British Isles.

asl vs bsl

However, the story took a different turn in the United States. Thomas Hopkins Gallaudet wanted to help a deaf child. He sailed to Europe to find a good teaching method. Eventually, he met a talented man named Laurent Clerc in France. Together they brought French signs back to America. Because of this the two systems grew from completely different roots.

Cultural Evolution

Geographical distance played a massive role in this split. The vast Atlantic Ocean kept these two groups apart for centuries. Consequently, each community developed its own unique personality.

  1. UK signers created local slang.
  2. American signers developed their own idioms.
  3. Regional clubs shaped specific gestures.

Local traditions influence how people communicate every day. For instance, British signers often use signs about tea or cricket. Meanwhile, American signers have their own cultural references. Distance and time turned them into two separate worlds. As a result, they remain unique today.

People in London do not use the same slang as people in New York. They also use different hand shapes for everyday things. For example, BSL uses two hands for the alphabet. On the other hand, ASL uses only one hand. Over time, history made both languages special in their own way.

We should celebrate how both languages developed. Each one shows the pride of its community. Communication changes with the people and places around us. So, a sign in London may mean something different in Washington. Because the languages grew apart, both cultures built their own identity.

How Do The Handshapes and Grammar Differ?

We should look closer at how the languages work. The "grammar" of sign language is not about sound. It is about where you place your hands. It is also about how fast you move them.

Vocabulary

Many common words are completely different in each language. For example, consider the sign for the word name. In BSL, you use two fingers against your forehead. In ASL you tap two fingers of both hands.

The sign for the word place is also different. These small changes happen in almost every single sentence. Because of this, a simple sentence changes its meaning. You must learn the British version to be understood.

Sentence Structure

Both languages move away from what we call signed English. They do not follow the exact order of English words. Instead, they have their own unique and complex syntax. They also use facial expressions to show their true meaning.

We call these face and body movements non-manual features. For example, raised eyebrows can turn a statement into a question. A head tilt can also show a strong feeling. Both languages use these expressions, but their rules are different. As a result, each language feels rich and full of meaning.

Which One Should You Learn If You Live in The UK?

This is the most important question for a newcomer. Your choice will change how you interact with others. Let us look at the two paths you could take.

The Case for BSL

You should choose BSL for almost every local reason. It is the best choice for social integration here. You can use it to talk to your neighbours. It allows you to work as a professional interpreter.

Most importantly, BSL makes communication easier in your local area. It is at the heart of the British Deaf community. By learning BSL, you open the door to new local friendships. You also become a closer part of life in the UK.

The Case for ASL

There are only a few reasons to learn ASL. You might plan to move to America soon. Some people learn it to watch American Deaf films.

However, it will not help you at a London bus stop. It will not help you in a Cardiff classroom. Unless you are leaving the UK BSL is better. Focus your energy on what works in your backyard.

Can ASL and BSL Users Understand Each Other? 

In most cases, they struggle to talk. They might share some basic gestures. For example, pointing to food is quite common. However, they cannot discuss complex topics together. It is like a person from France talking to someone from Spain. They might guess some words. Still, they will not understand the full story.

The Language Gap

Cultural differences create a very wide bridge to cross. You might think they share a common heritage. Nevertheless, their hands tell a very different story.

  1. Hand shapes vary significantly between these regions.
  2. Facial expressions mean different things in London.
  3. One group uses two hands for names.
  4. The other group uses only one hand.

Furthermore the grammar rules do not match. British signers follow a specific visual order. American signers use a different French-based system. Consequently they miss important parts of the message. Therefore they often feel quite confused. Imagine trying to read a book upside down. It contains the same letters but looks wrong. This creates a big wall between the two groups.

Why Practice Matters

You should focus on one version at a time. Mixing them leads to many big mistakes. Moreover, your local friends will appreciate your effort. Stick to the signs used in your city. Then, you will make friends much faster. Consistency helps your brain learn the right path. As a result, you will feel more confident. Always ask a local teacher for help. This ensures you learn the correct UK style.

Conclusion on Difference Between ASL and BSL

We have covered a lot of information today. You now know that sign language is not universal. You understand that BSL and ASL are different languages. They have different histories, alphabets, and legal statuses here.

For anyone living in the UK, BSL is the winner. It is the language of our streets and schools. It is the key to the local Deaf community.

We encourage you to take the next big step. Look for an accredited BSL course in your city. Seek out providers like Signature or QCF-regulated centres. These courses offer the best quality of local education.

Learning BSL will change your life for the better. It will make the UK feel like your home. You will be able to talk to more people. You will be a bridge between different worlds of communication. Start your BSL journey today and see the magic. Your new friends are waiting to sign with you!

Frequently Asked Questions (FAQs)

1. Is it better to learn ASL or BSL?

  1. It depends on where you live and who you want to communicate with. BSL is best for the UK, while ASL is widely used in the United States and parts of Canada.

2. Can ASL users understand BSL?

  1. Not usually. ASL and BSL are different languages with their own signs, grammar, and vocabulary.

3. Does the UK use ASL or BSL?

  1. The UK primarily uses British Sign Language (BSL). It is the most common sign language used by the British Deaf community.

4. Which is harder, BSL or ASL?

  1. Neither is inherently harder. The difficulty depends on your learning style, exposure, and practice opportunities.

5. Why was BSL banned in the UK?

  1. BSL was not officially banned across the UK. However, many schools discouraged sign language for years. This happened after the Milan Conference in 1880. The conference asked schools to teach speech instead of sign language.