Erlang
Erlang is a high-level functional programming language designed for building concurrent, distributed, and fault-tolerant systems.
It provides lightweight processes with isolated memory and asynchronous message passing, supports hot code swapping without downtime, and includes the Erlang/OTP platform with supervision trees, reusable behaviors, and a standard library for scalable applications.
It is widely used in telecommunications, messaging systems, and real-time backend services where high availability is required, powering systems such as 
WhatsApp, 
CouchDB, 
AdRoll, and the English National Health Service infrastructure.
According to our data, Erlang ranks 14th among the programming languages we track.
It has 0.03% of the programming language market share and is detected on 0.03% of all websites.
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Stack Overflow📊 Rankings and Market Share
- Programming Languages
- Rank: 14
- Market share: 0.03%
🏆 Erlang Awards
- 🔥 11st most popular in Brazil in the Programming Languages category.
- 🔥 14th most popular in the United States in the Programming Languages category.
- 🔥 14th most popular in Germany in the Programming Languages category.
- 🔥 14th most popular in the United Kingdom in the Programming Languages category.
- 🔥 14th most popular in Japan in the Programming Languages category.
⚡ Sites Built With Erlang
We have data on 955 websites that use the Erlang programming language. Here is a list of some of the top ranked ones.
The highest rated site using Erlang is cars.com.
| # | Website | Rank | Country | Language |
|---|---|---|---|---|
| 1 | #1,722 | United States | English | |
| 2 | #4,663 | Brazil | Brazilian Portuguese | |
| 3 | #5,555 | United States | American English | |
| 4 | #5,991 | United States | American English | |
| 5 | #7,164 | United States | English | |
| 6 | #13,184 | United States | English | |
| 7 | #15,210 | English | ||
| 8 | #21,629 | English | ||
| 9 | #25,271 | United States | English | |
| 10 | #26,176 | English | ||
| 11 | #29,537 | English | ||
| 12 | #37,925 | United States | English | |
| 13 | #47,576 | English | ||
| 14 | #51,352 | English | ||
| 15 | #56,399 | American English | ||
| 16 | #58,594 | United States | American English | |
| 17 | #58,603 | Brazil | Brazilian Portuguese | |
| 18 | #64,545 | English | ||
| 19 | #73,738 | Germany | German | |
| 20 | #81,845 | United States | English |
📈 Usage Statistics
Most of the sites that use Erlang:
- are located in the United States
- have content in English
- use the .com domain extension
- fall into the Business category.
Most of the sites using Erlang are from the United States, Brazil, and Germany.
- United States 27.4%
- Brazil 15.5%
- Germany 8.8%
- United Kingdom 5%
- Japan 3.7%
- Netherlands 3.2%
- Switzerland 3%
- France 2.8%
- British Virgin Islands 2.7%
- Other 27.9%
Most Erlang users speak English, Portuguese, or German.
- English 68.4%
- Portuguese 10.6%
- German 6%
- Japanese 2.5%
- French 2.2%
- Dutch 2.2%
- Spanish 2.1%
- Italian 1.2%
- Swedish 1%
- Other 3.8%
The Erlang programming language is especially popular on .com, .com.br, and .org top-level domains.
- .com 47.5%
- .com.br 8.7%
- .org 6.4%
- .de 3.8%
- .net 2.4%
- .io 2.3%
- .ch 1.7%
- .nl 1.4%
- .co 1.3%
- Other 24.5%
The primary market segments for websites utilizing Erlang include business, marketing and merchandising, and entertainment.
- Business 20%
- Marketing/Merchandising 10.3%
- Entertainment 7.2%
- Online Shopping 6.7%
- Internet Services 6.2%
- Education/Reference 6.2%
- Software/Hardware 4.1%
- Travel 3.6%
- Job Search 2.6%
- Other 33.1%
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Lua💬 Frequently Asked Questions
Where is Erlang's headquarters?
Erlang is located in Stockholm, Sweden.
Which country uses Erlang the most?
The majority of Erlang users are from the United States.
Who uses Erlang?
According to our data, Erlang is used on hundreds of sites, including such established ones as cars.com,
placardefutebol.com.br, and
newrepublic.com.
Do academic institutions use Erlang?
Yes. Overall, we know of 3 academic websites in the United States that use Erlang.
How does Erlang stack up against the competition?
Erlang is a moderately popular programming language, ranking ahead of 9 other programming languages we track.
What are the alternatives to Erlang?
Alternatives and possible competitors to Erlang may include 
Elixir, 
Haskell, and 
JavaScript.
👉 See Also
- ✨ Related technologies
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,531,690 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.