ScorecardMMA

Category	Ctgry	CtgTotal	cntCurFtr	bouts1yr	best p4pRank	RnkP4P25	maxCurScr
170	WW	1199	1047	1833	3	4	916
155	LW	1160	1078	1931	5	3	862
185	MW	1066	814	1297	2	3	931
145	FW	969	782	1524	4	2	893
205	LHW	969	525	790	1	4	945
265	HW	793	445	627	7	4	822
135	BW	780	579	1079	6	3	852
125	FLW	495	322	658	14	2	765

This is current ranking of Weight Categories. They are ranked using Category Total .

This graph shows when each division was introduced and how competitive they were 

Historical view of Weight Categories from 1993 – 2013

1. From 1993 to 1996 there were no official weight categories (except Shooto), so everybody was in open weight.

2. LHW (205 lb) was introduced at the end of 1996. On the graph you can see that fighters were almost split into half between HW and LHW.

UFC introduced LHW at UFC 12 as Lightweight (200+ lb), renamed Middleweight at UFC 16, then Light Heavyweight at UFC 31 and limit changed from 200 to 205 lbs.

Following graph shows Historical Scores for the fighters that at least once had Current Score over 900.