Tiobe公布了5月份编程语言排行榜，本月编程语言市场没有明显变化，C#和Object-C保持着快速增长，没有其它编程语言可以跟得上这两者的增长速度。相比去年同期，C#和Object-C的增幅都超过了2.5%。
除了C#和Object-C，Lua和Python的增长也不小，增幅分别为0.61%和0.49%。
5月Tiobe编程语言排行Top20：
| 11年05月排名 | 10年05月排名 | 编程语言 | 市场份额 | 同比变更 | 等级 |
| 1 | 2 | Java | 18.16% | 0.20% | A |
| 2 | 1 | C | 16.17% | -2.02% | A |
| 3 | 3 | C++ | 9.15% | -1.23% | A |
| 4 | 6 | C# | 7.54% | 2.76% | A |
| 5 | 4 | PHP | 6.51% | -2.57% | A |
| 6 | 10 | Objective-C | 5.01% | 2.65% | A |
| 7 | 7 | Python | 4.58% | 0.49% | A |
| 8 | 5 | (Visual) Basic | 4.50% | -1.16% | A |
| 9 | 8 | Perl | 2.23% | -1.05% | A |
| 10 | 11 | Ruby | 1.42% | -0.67% | A |
| 11 | 12 | JavaScript | 1.39% | -0.69% | A |
| 12 | 20 | Lua | 1.10% | 0.61% | A |
| 13 | 9 | Delphi | 1.07% | -1.49% | A |
| 14 | - | Assembly | 1.04% | - | A |
| 15 | 16 | Lisp | 0.95% | 0.30% | A |
| 16 | 23 | Ada | 0.75% | 0.32% | A |
| 17 | 15 | Pascal | 0.71% | -0.02% | A |
| 18 | 21 | Transact-SQL | 0.70% | 0.21% | B |
| 19 | - | Scheme | 0.58% | - | B |
| 20 | 25 | RPG (OS/400) | 0.50% | 0.09% | B |
5月Tiobe编程语言排行Top50：
| 排名 | 编程语言 | 份额 |
| 21 | PL/SQL | 0.50% |
| 22 | Fortran | 0.50% |
| 23 | D | 0.49% |
| 24 | Logo | 0.49% |
| 25 | Go | 0.49% |
| 26 | Visual Basic .NET | 0.48% |
| 27 | Scratch | 0.45% |
| 28 | SAS | 0.44% |
| 29 | MATLAB | 0.44% |
| 30 | R | 0.43% |
| 31 | Q | 0.40% |
| 32 | ABAP | 0.40% |
| 33 | F# | 0.39% |
| 34 | Forth | 0.39% |
| 35 | Alice | 0.37% |
| 36 | NATURAL | 0.35% |
| 37 | COBOL | 0.34% |
| 38 | ML | 0.34% |
| 39 | Icon | 0.34% |
