Wayne Gretzky has the most career assists by a player younger than 21, with 270 assists.

Interpreted as:

most assists before turning 21 years old by a player

	NAME	A	GP	G	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Wayne Gretzky W. Gretzky	270	210	167	437	+100	67	41	81	8	5	17	0	775	21.5
2	Sidney Crosby S. Crosby	195	213	99	294	+27	209	35	100	0	3	13	3	701	14.1	1,940	3,963	49.0	171	126	108	166	20:32
3	Dale Hawerchuk D. Hawerchuk	174	239	122	296	-38	151	35	61	0	4	9	1	892	13.7
4	Ron Francis R. Francis	154	195	78	232	-55	140	21	63	2	1	9	0	528	14.8
5	Mario Lemieux M. Lemieux	150	152	91	241	-41	97	28	71	0	0	6	2	485	18.8
6	Pierre Turgeon P. Turgeon	148	236	88	236	0	89	44	58	1	2	18	2	476	18.5
7	Jimmy Carson J. Carson	145	240	141	286	-21	103	59	59	0	0	14	0	719	19.6
8	Connor McDavid C. McDavid	137	172	61	198	+36	56	9	43	1	4	14	3	492	12.4	789	1,879	42.0	59	68	155	103	20:36
9	Phil Housley P. Housley	136	210	63	199	+11	96	27	68	2	1	12	1	570	11.1
10	Steve Yzerman S. Yzerman	135	211	83	218	-58	107	25	58	0	0	8	1	540	15.4
11	Eddie Olczyk E. Olczyk	115	228	65	180	+11	233	11	21	3	3	5	0	533	12.2
12	Dan Quinn D. Quinn	113	206	69	182	-5	84	35	45	3	1	7	0	437	15.8
13	Bobby Carpenter B. Carpenter	112	240	92	204	-25	184	29	32	1	0	12	0	687	13.4
14	Jaromir Jagr J. Jagr	109	207	81	190	+30	108	18	20	1	0	15	1	506	16.0
15	Connor Bedard C. Bedard	108	181	64	172	-72	128	20	43	0	0	10	2	504	12.7	606	1,503	40.3	111	79	86	189	20:14
16	Patrick Kane P. Kane	108	181	53	161	-2	104	20	46	0	1	8	1	498	10.6	29	59	49.2	38	23	84	64	18:37
17	Brian Bellows B. Bellows	108	234	102	210	-28	165	37	44	7	4	11	1	630	16.2
18	Pierre Larouche P. Larouche	107	171	91	198	+8	93	24	25	0	0	8	0	555	16.4
19	Kirk Muller K. Muller	106	211	60	166	-59	157	21	28	3	2	4	0	472	12.7
20	Denis Savard D. Savard	106	129	54	160	+32	96	10	33	0	0	6	0	333	16.2
21	Bryan Trottier B. Trottier	105	156	62	167	+55	55	22	41	2	0	11	0	353	17.6
22	Joe Sakic J. Sakic	102	150	62	164	-76	51	18	48	1	1	4	0	382	16.2
23	Steven Stamkos S. Stamkos	99	215	114	213	-1	129	48	38	1	0	12	2	666	17.1	1,038	2,210	47.0	190	80	121	125	18:22
24	Ilya Kovalchuk I. Kovalchuk	97	227	108	205	-53	148	32	38	1	1	13	4	782	13.8	16	49	32.7	102	47	80	224	20:42
25	Doug Bodger D. Bodger	97	220	20	117	-14	182	9	42	0	3	3	1	435	4.6