在编程语言流行度的评估方面，TIOBE一直是最为权威的机构之一。它每个月都根据有经验的使用者、相关课程、第三方厂商，以及来自多个大型搜索引擎的统计数据，发布前100名编程语言的份额，并进行跨年度同期比较。
| Position Oct 2008 |
Position Oct 2007 |
Delta in Position | Programming Language | Ratings Oct 2008 |
Delta Oct 2007 |
Status |
|---|---|---|---|---|---|---|
| 1 | 1 |  |
Java | 20.949% | -0.67% | A |
| 2 | 2 | |
C | 15.565% | +0.97% | A |
| 3 | 4 |  |
C++ | 10.954% | +1.37% | A |
| 4 | 3 |  |
(Visual) Basic | 9.811% | -1.35% | A |
| 5 | 5 | |
PHP | 8.612% | -0.89% | A |
| 6 | 8 | |
Python | 4.565% | +1.13% | A |
| 7 | 6 | |
Perl | 4.419% | -0.93% | A |
| 8 | 7 | |
C# | 3.767% | +0.03% | A |
| 9 | 13 | |
Delphi | 3.288% | +1.75% | A |
| 10 | 10 | |
Ruby | 2.860% | +0.47% | A |
| 11 | 9 | |
JavaScript | 2.670% | -0.01% | A |
| 12 | 12 | |
D | 1.333% | -0.26% | A |
| 13 | 11 | |
PL/SQL | 1.024% | -0.94% | A- |
| 14 | 14 | |
SAS | 0.600% | -0.78% | B |
| 15 | 17 | |
Lua | 0.551% | -0.04% | B |
| 16 | 21 | |
Pascal | 0.520% | +0.10% | B |
| 17 | 22 | |
ActionScript | 0.506% | +0.14% | B |
| 18 | 16 | |
COBOL | 0.491% | -0.19% | B |
| 19 | 18 | |
Lisp/Scheme | 0.485% | -0.09% | B |
| 20 | 15 | |
ABAP | 0.445% | -0.40% | B |