TIOBE Programming Community Index for October 2011

October Headline: Java is losing ground despite its new version 7 release

Java lost almost 1% of its popularity in September. If this trend continues, C will be number one again next month. Other interesting observations are that both Objective-C and Transact-SQL scored new all time highs, Assembly reentered the top 20, Visual Basic.NET gained many places (from #39 to #25), while F# had a hard time (from #23 to #46).

The TIOBE Programming Community index is an indicator of the popularity of programming languages. The index is updated once a month. The ratings are based on the number of skilled engineers world-wide, courses and third party vendors. The popular search engines Google, Bing, Yahoo!, Wikipedia, YouTube and Baidu are used to calculate the ratings. Observe that the TIOBE index is not about the best programming language or the language in which most lines of code have been written.

The index can be used to check whether your programming skills are still up to date or to make a strategic decision about what programming language should be adopted when starting to build a new software system. The definition of the TIOBE index can be found here.

Position
Oct 2011
Position
Oct 2010
Delta in Position Programming Language Ratings
Oct 2011
Delta
Oct 2010
Status
1 1 Java 17.913% -0.25%   A
2 2 C 17.707% +0.53%   A
3 3 C++ 9.072% -0.73%   A
4 4 PHP 6.818% -1.51%   A
5 6 C# 6.723% +1.76%   A
6 8 Objective-C 6.245% +2.54%   A
7 5 (Visual) Basic 4.549% -1.10%   A
8 7 Python 3.944% -0.92%   A
9 9 Perl 2.432% +0.12%   A
10 11 JavaScript 2.191% +0.53%   A
11 10 Ruby 1.526% -0.41%   A
12 12 Delphi/Object Pascal 1.104% -0.45%   A
13 13 Lisp 1.031% -0.05%   A
14 14 Transact-SQL 0.909% +0.09%   A
15 23 PL/SQL 0.903% +0.30%   A-
16 24 Lua 0.802% +0.25%   A
17 16 RPG (OS/400) 0.757% +0.05%   A–
18 15 Pascal 0.721% -0.05%   A
19 Assembly* 0.622%   B
20 17 Ada 0.609% -0.09%   B

*For more information about Assembly see the frequently asked questions

Other programming languages

The complete top 50 of programming languages is listed below. This overview is published unofficially, because it could be the case that we missed a language. If you have the impression there is a programming language lacking, please notify us at tpci@tiobe.com.

Position Programming Language Ratings
21 MATLAB 0.573%
22 D 0.539%
23 Logo 0.535%
24 SAS 0.517%
25 Visual Basic .NET 0.481%
26 COBOL 0.476%
27 Scheme 0.427%
28 C shell 0.422%
29 R 0.422%
30 NXT-G 0.410%
31 Fortran 0.381%
32 Go 0.375%
33 ABAP 0.369%
34 Erlang 0.368%
35 Scratch 0.356%
36 Haskell 0.355%
37 ActionScript 0.340%
38 Forth 0.303%
39 Prolog 0.288%
40 APL 0.276%
41 Tcl 0.261%
42 ML 0.259%
43 Smalltalk 0.258%
44 Alice 0.253%
45 PL/I 0.252%
46 F# 0.243%
47 Ladder Logic 0.238%
48 Q 0.232%
49 Awk 0.231%
50 Scala 0.226%

From: http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html?a

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