Programming Language Trends

Here are programming language trends from very different sources.

1. According to TIOBE Programming Community Index, here are the top 10 programming languages.

Position
Sep 2009
Position
Sep 2008
Delta in Position Programming Language Ratings
Sep 2009
Delta
Sep 2008
Status
1 1 Java 19.383% -1.33% A
2 2 C 16.861% +1.48% A
3 5 PHP 10.156% +0.91% A
4 3 C++ 9.988% -0.73% A
5 4 (Visual) Basic 9.196% -1.29% A
6 7 Perl 4.528% -0.31% A
7 8 C# 4.186% -0.15% A
8 6 Python 3.930% -1.08% A
9 9 JavaScript 2.995% -0.14% A
10 11 Ruby 2.377% -0.38% A

TIOBE Programming Community index page, shows the trends of increasing/decreasing popularity as well and contains lots of other useful information. This changes every month so please make sure to check the latest.

2. This programming language usage index shows information about languages used in open source projects. It has a slightly different story to tell. Obviously VB is not the most popular for open source software.

3. The SkillMarket provides a tech hiring patterns.

4. Google trends, which shows search trends, only shows 5 different terms at a time. I broke the list into compiled languages (C, C++, Java, C#) and scripting languages (perl, python, php, ruby, javascript).

5. In addition you can check indeed.com to check the job trends of the top languages.  Here are both absolute and relative trends for Aug 2009

Absolute.

programming language job trends - absoluteRelative Trends.

Programming Language Job Trends - Relative

Probably  tracking  the searches at major book sellers, publishers may provide more useful information as well.

Programming Language Ratings
Sep 2009
Delta
Sep 2008
Status
1 1 Java 19.383% -1.33% A
2 2 C 16.861% +1.48% A
3 5 PHP 10.156% +0.91% A
4 3 C++ 9.988% -0.73% A
5 4 (Visual) Basic 9.196% -1.29% A
6 7 Perl 4.528% -0.31% A
7 8 C# 4.186% -0.15% A
8 6 Python 3.930% -1.08% A
9 9 JavaScript 2.995% -0.14% A
10 11 Ruby

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