TIOBE Software BV发布了程序设计语言2004年10月份的使用率排行榜：
Position
Delta 1 Year
Programming Language
Ratings
Delta 1 Year
Status
1
C
18.172%
-0.14%
A
2
Java
17.050%
-4.85%
A
3
C++
15.016%
-1.16%
A
4
(Visual) Basic
9.760%
+2.30%
A
5
Perl
8.818%
+0.47%
A
6
PHP
7.421%
+1.63%
A
7
Delphi/Pascal/Kylix
4.465%
+3.07%
A
8
Python
4.438%
+2.95%
A
9
SQL
3.167%
-0.55%
A
10
C#
1.644%
-0.30%
A
11
JavaScript
1.267%
-0.39%
A
12
SAS
1.069%
-0.04%
A
13
COBOL
0.706%
-0.33%
A--
14
IDL
0.639%
+0.10%
B
15
Lisp
0.434%
-0.23%
B
16
ABAP
0.419%
+0.07%
B
17
Postscript
0.383%
-0.05%
B
18
Fortran
0.365%
-0.37%
B
19
Ada
0.363%
-0.32%
B
20
MATLAB
0.342%
+0.02%
B
下面是程序设计语言的使用变化趋势，从中可以看到一些热门程序设计语言的使用变化情况:
转自TIOBE Software BV