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
Nov 2008Position
Nov 2007Delta in PositionProgramming LanguageRatings
Nov 2008Delta
Nov 2007Status 1 1 Java 20.299% -0.24% A 2 2 C 15.276% +1.31% A 3 4 C++ 10.357% +1.61% A 4 3 (Visual) Basic 9.270% -0.96% A 5 5 PHP 8.940% +0.25% A 6 7 Python 5.140% +0.91% A 7 8 C# 4.026% +0.11% A 8 11 Delphi 4.006% +1.55% A 9 6 Perl 3.876% -0.86% A 10 10 JavaScript 2.925% 0.00% A 11 9 Ruby 2.870% -0.21% A 12 12 D 1.442% -0.26% A 13 13 PL/SQL 0.939% -0.24% A 14 14 SAS 0.729% -0.40% A-- 15 18 ABAP 0.570% -0.08% B 16 19 Pascal 0.511% -0.13% B 17 17 COBOL 0.510% -0.20% B 18 25 ActionScript 0.506% +0.04% B 19 23 Logo 0.489% -0.04% B 20 16 Lua 0.473% -0.27% B