Tiobe Index: C back at #1

Position Apr 2010	Position Apr 2009	Delta in Position	Programming Language	Ratings Apr 2010	Delta Apr 2009	Status
1	2		C	18.058%	+2.59%	A
2	1		Java	18.051%	-1.29%	A
3	3		C++	9.707%	-1.03%	A
4	4		PHP	9.662%	-0.23%	A
5	5		(Visual) Basic	6.392%	-2.70%	A
6	7		C#	4.435%	+0.38%	A
7	6		Python	4.205%	-1.88%	A
8	9		Perl	3.553%	+0.09%	A
9	11		Delphi	2.715%	+0.44%	A
10	8		JavaScript	2.469%	-1.21%	A
11	42		Objective-C	2.288%	+2.15%	A
12	10		Ruby	2.221%	-0.35%	A
13	14		SAS	0.717%	-0.07%	A
14	12		PL/SQL	0.710%	-0.38%	A
15	-		Go	0.710%	+0.71%	A
16	15		Pascal	0.648%	-0.07%	B
17	17		ABAP	0.625%	-0.03%	B
18	20		MATLAB	0.616%	+0.13%	B
19	22		ActionScript	0.545%	+0.09%	B
20	19		Lua	0.521%	+0.03%	B

Interesting information (look at the link for more stats, including long term trends, etc.) I find it interesting that Obj-C has seen such a dramatic increase in one year. A testament to the increasing popularity of Mac OS X and iPhone development? Also of note is a slight decrease in Ruby popularity.