Dale Hawerchuk has the most career games by a player younger than 25, with 559 games.

Interpreted as:

most regular-season gp by a player before the age of 25

	NAME	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Dale Hawerchuk D. Hawerchuk	559	312	440	752	-52	380	100	169	8	8	23	4	2,044	15.3
2	Patrick Marleau P. Marleau	558	153	174	327	+7	193	33	57	1	1	28	1	1,044	14.7	2,353	5,253	44.8	356	59	139	279	16:16
3	Eddie Olczyk E. Olczyk	546	207	297	504	-38	523	56	78	9	8	18	0	1,459	14.2
4	Pierre Turgeon P. Turgeon	543	256	380	636	+34	179	104	138	7	7	43	6	1,412	18.1
5	Scott Stevens S. Stevens	543	87	298	385	+90	1,457	39	119	1	2	14	1	1,153	7.5
6	Kirk Muller K. Muller	531	180	325	505	-62	552	68	96	7	7	19	3	1,278	14.1
7	Bobby Carpenter B. Carpenter	531	200	234	434	-64	507	63	73	1	3	24	0	1,441	13.9
8	Jeff Friesen J. Friesen	527	151	211	362	-21	326	45	69	13	13	25	3	1,150	13.1	28	53	52.8	236	84	52	105	19:35
9	Radek Dvorak R. Dvorak	526	128	171	299	+5	162	14	37	13	7	10	0	1,149	11.1	24	75	32.0	108	110	196	211	18:35
10	Chris Gratton C. Gratton	526	112	202	314	-108	956	33	56	1	2	13	1	1,230	9.1	888	1,597	55.6	147	21	50	76	19:23
11	Nathan MacKinnon N. MacKinnon	525	190	305	495	+40	197	56	98	2	2	39	8	1,896	10.0	3,035	6,628	45.8	345	253	293	308	19:32
12	Wayne Gretzky W. Gretzky	522	467	787	1,254	+407	255	101	224	42	36	52	1	2,165	21.6
13	Phil Housley P. Housley	520	156	319	475	-8	348	53	159	3	2	21	2	1,377	11.3
14	Jimmy Carson J. Carson	518	254	259	513	-11	201	103	96	1	0	27	0	1,371	18.5
15	Trevor Linden T. Linden	517	193	226	419	-30	404	63	83	8	3	22	0	1,324	14.6
16	Steve Yzerman S. Yzerman	514	291	401	692	-19	334	77	156	17	11	31	4	1,719	16.9
17	Dan Quinn D. Quinn	513	199	299	498	-60	339	94	122	7	5	24	1	1,237	16.1
18	Brian Bellows B. Bellows	513	222	251	473	-46	381	84	105	11	7	23	3	1,565	14.2
19	Joe Thornton J. Thornton	509	160	261	421	+25	611	53	74	3	0	25	4	1,048	15.3	4,254	8,290	51.3	356	92	263	278	21:29
20	Vincent Damphousse V. Damphousse	507	171	284	455	-27	347	45	79	4	3	27	2	1,284	13.3
21	Craig Simpson C. Simpson	506	204	201	405	+17	563	74	62	1	1	24	1	871	23.4
22	Al Iafrate A. Iafrate	498	86	176	262	-96	658	18	66	7	6	13	0	848	10.1
23	Grant Mulvey G. Mulvey	498	118	114	232	-58	656	29	24	1	0	16	0	929	12.7
24	Jeff Skinner J. Skinner	497	180	150	330	-69	234	41	48	0	0	26	2	1,632	11.0	220	531	41.4	258	119	398	281	17:10
25	Jaromir Jagr J. Jagr	495	263	361	624	+130	371	68	100	7	2	48	4	1,673	15.7