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PHP is listed here because of its special status: This is because, compared to JavaScript, which is mostly used in a complementary way, software projects that use PHP are also primarily built on it.

C# seems to have the highest level of satisfaction among its own users, with rejection matching that of TypeScript at a low level.

Accordingly, TypeScript as a superset and quasi as a 'supplemented variant' of JavaScript would have a higher acceptance among its users, since its use is more voluntary.

JavaScript performs worst here in percentage terms - perhaps because many developers do not use it voluntarily, but only because of technological constraints (browser language).

This shows that the top languages Java, TypeScript, Python and C# are also strongly liked by their developers - and will probably continue to be so in the foreseeable future.

'Dislike' and 'Like' are not coupled, so here both, neither, or only one may have been checked). (The percentages above put 'like' and 'dislike' in relation to 'use' - but only for people who actually use that language. The language is therefore more powerful for beginners and nowadays also comparably easy to learn. In addition, JavaScript can also be used in the backend. This is probably because the frontend, and thus JavaScript, is becoming increasingly important on the Web.

The low ranking of PHP has a particularly harsh effect: Despite continued strong distribution, hardly anyone wants to learn the formerly leading web development language for beginners today.

However, this thought can be refuted with TypeScript, Python or C#, since these are also widely used and established languages, which nevertheless inspire many developers.

It could be argued here that hardly anyone 'needs' to learn it again due to the already strong distribution.

The low ranking of Java compared to its distribution is also astonishing.

For comparison, on the far right, the ranking of languages used in 2020: So there is a chance to see an upward trend in newcomers Go, Kotlin and Rust in the next few years.

Compared to 2019, the number of languages that reached the 5 mention mark dropped by 6.Perhaps this is an opportunity for companies to attract developers by focusing on Python, Kotlin, Go, TypeScript or Rust - especially if this then gives them the chance to learn about these technologies. That is, companies do not seem to be adapting these 'desired' languages, or only very slowly. It looks as if this list does not yet seem to have any influence on the languages actually used. The picture is different for the languages that developers would like to use. Developers are thus disciplined in adding missing choices. Our assumption from 2019 that these languages would be chosen more often if they were pre-selected did not materialize. There was no need for additions here this year.

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Languages from 2019 marked with * were not pre-listed in our list, but were additionally provided by participants in the free text field. For example Haskell, Delphi, Groovy, Matlab, Abap or Cobol.

It is also clear that there are a number of languages that are important for the SwissВ region, but which hardly play a role internationally.

Also represented are some languages that are often perceived as 'phased out' such as VBA, Perl, Cobol or Delphi.

ThisВ despite the fact that Rust ranks among the top 5 languages that developers would like to use (see below).

Although Rust is fondly touted as an alternative to C++, we have yet to see a strong adaptation.

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In addition to TypeScript, as a 'replacement language' for JavaScript, other similar languages are moving up, such as Kotlin as a Java replacement for Android development, or Go, developed as a C++ or C alternative, on which Docker and Kubernetes are based.

Although controversial in public discourse, PHP continues to lead the way with a slight downward trend of 2 percent.

Haskell, a language which was shortlisted in 2019 due to numerous requests, did not even make it past 5 mentions this year.

Although only created in 2012, TypeScript already ranks high and could even gain 4 percentage points compared to 2019.

In percentage terms, Python has actually dropped 1 percent from 2019 to 2020.

While Python is already ahead of Java internationally, this has not happened here so far.

The next few years will show how and where this will shift.

Java continues to be a strong force in Switzerland as well as internationally.

With the exception of Java, JavaScript is used almost twice as often as other languages.

After that, there are some fluctuations, but due to the small number of mentions, these can also be attributed to shifts in participants. If we compare the top 10 with the previous year, we see hardly any significant change.

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