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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 PositionProgramming LanguageRatings
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


Long term trends

The long term trends for the top 10 programming languages can be found in the line diagram below.


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.

PositionProgramming LanguageRatings
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%


The Next 50 Programming Languages

The following list of languages denotes #51 to #100. Since the differences are relatively small, the programming languages are only listed (in alphabetical order).


Very Long Term History

To see the bigger picture, please find the positions of the top 10 programming languages from 5, 15 and 25 years ago in the table below.

Programming LanguagePosition
Oct 2011
Position
Oct 2006
Position
Oct 1996
Position
Oct 1986
Java 1 1 3 -
C 2 2 1 1
C++ 3 3 2 5
PHP 4 4 - -
C# 5 8 - -
Objective-C 6 38 - -
(Visual) Basic 7 5 4 6
Python 8 7 27 -
Perl 9 6 7 -
JavaScript 10 9 16 -
Lisp 13 16 14 3
Ada 20 17 11 2


Programming Language Hall of Fame

The hall of fame listing all "Programming Language of the Year" award winners is shown below. The award is given to the programming language that has the highest rise in ratings in a year.

YearWinner
2010 Python
2009 Go
2008 C
2007 Python
2006 Ruby
2005 Java
2004 PHP
2003 C++


Categories of Programming Languages

In the tables below some long term trends are shown about categories of languages. Object-oriented statically typed languages have been most popular for more than 5 years now.

CategoryRatings Oct 2011Delta Oct 2010
Object-Oriented Languages 55.9% +0.7%
Procedural Languages 38.0% -1.5%
Functional Languages 4.1% +0.4%
Logical Languages 2.0% +0.4%


CategoryRatings Oct 2011Delta Oct 2010
Statically Typed Languages 64.6% +1.7%
Dynamically Typed Languages 35.4% -1.7%




This Month's Changes in the Index

This month the following changes have been made to the definition of the index:


Bugs & Change Requests

This is the top 5 of most requested changes and bugs. If you have any suggestions how to improve the index don't hesitate to send an e-mail to tpci@tiobe.com.

  1. Apart from "<language> programming", also other queries such as "programming with <language>", "<language> development" and "<language> coding" should be tried out.
  2. Add queries for other natural languages (apart from English). The idea is to start with the Chinese search engine Baidu. This has been implemented partially and will be completed the next few months.
  3. Add a list of all search term requests that have been rejected. This is to minimize the number of recurring mails about Rails, JQuery, JSP, etc.
  4. Start a TIOBE index for databases, software configuration management systems and application frameworks.
  5. Some search engines allow to query pages that have been added last year. The TIOBE index should only track those recently added pages.


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