Mike Bibby has the most career assists by a 21-year-old player, with 665 assists.

Interpreted as:

most assists by a player all-time by 21 year old

	NAME	AST	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	STL	BLK	TOV	PF	+/-
1	Mike Bibby M. Bibby	665	82	38.5	14.5	3.7	8.1	1.6	0.2	5.6	12.6	44.5	0.9	2.6	36.3	2.4	3.0	78.0	52.1	0.9	2.8	3.0	3,155	1,190	306	132	15	247	171	-398
2	Ennis Whatley E. Whatley	662	80	27.0	8.4	2.5	8.3	1.5	0.2	3.3	7.0	46.9	0.0	0.0	0.0	1.8	2.5	73.0	51.9	0.8	1.7	3.4	2,159	668	197	119	17	268	223
3	Ben Simmons B. Simmons	661	81	33.7	15.8	8.1	8.2	1.7	0.9	6.7	12.3	54.5	0.0	0.1	0.0	2.4	4.2	56.0	55.7	1.8	6.3	3.4	2,732	1,279	659	140	70	278	211	+387
4	Russell Westbrook R. Westbrook	649	81	34.7	16.8	5.0	8.0	1.4	0.4	6.0	14.4	42.0	0.2	1.2	19.0	4.5	5.6	79.9	49.8	1.8	3.2	3.2	2,810	1,360	406	115	35	262	200	+234
5	Isiah Thomas I. Thomas	634	81	38.2	22.9	4.0	7.8			9.0	19.0	47.2	0.4			4.5	6.4	71.0	52.5				3,093	1,854	328				318
6	Darius Garland D. Garland	622	87	34.1	18.8	2.8	7.1	1.3	0.1	7.2	15.6	46.1	2.2	5.9	37.6	2.2	2.6	87.4	56.3	0.5	2.3	3.4	2,968	1,638	244	111	7	297	161	+78
7	Tyrese Haliburton T. Haliburton	598	86	33.3	14.2	3.5	7.0	1.6	0.5	5.3	11.5	46.1	2.0	5.0	40.8	1.6	1.9	84.6	57.8	0.6	2.9	2.2	2,864	1,225	297	135	46	186	131	-336
8	Baron Davis B. Davis	593	83	38.1	13.5	4.8	7.1	2.0	0.4	4.8	11.4	42.6	1.0	3.3	30.5	2.8	4.1	68.0	51.2	1.5	3.3	2.6	3,159	1,117	399	168	37	218	263	+244
9	Chris Paul C. Paul	569	64	36.8	17.3	4.4	8.9	1.8	0.0	6.0	13.6	43.7	0.8	2.2	35.0	4.6	5.6	81.8	53.7	0.8	3.5	2.5	2,353	1,104	280	118	3	161	154	-45
10	Allen Iverson A. Iverson	567	76	40.1	23.5	4.1	7.5	2.1	0.3	8.2	19.8	41.6	2.0	6.0	34.1	5.0	7.2	70.2	51.3	1.5	2.6	4.4	3,045	1,787	312	157	24	337	233	-439
11	Trae Young T. Young	560	60	35.3	29.6	4.3	9.3	1.1	0.1	9.1	20.8	43.7	3.4	9.5	36.1	8.0	9.3	86.0	59.5	0.5	3.7	4.8	2,120	1,778	255	65	8	289	104	-228
12	LeBron James L. James	546	80	42.1	30.2	7.2	6.8	1.5	0.8	10.7	22.6	47.5	1.5	4.6	33.7	7.2	10.1	71.9	55.9	1.1	6.2	3.3	3,370	2,418	576	119	64	265	173	+228
13	John Wall J. Wall	530	66	36.2	16.3	4.5	8.0	1.4	0.9	5.7	13.5	42.3	0.0	0.6	7.1	4.8	6.1	78.9	50.2	0.7	3.8	3.9	2,386	1,076	300	95	57	255	137	-256
14	Elfrid Payton E. Payton	491	75	31.7	11.0	4.1	6.5	1.6	0.3	4.4	10.5	42.4	0.4	1.1	34.9	1.7	2.8	59.9	46.8	1.2	3.0	2.5	2,375	822	311	119	23	185	172	-148
15	Ja Morant J. Morant	488	65	32.8	19.1	4.1	7.5	0.9	0.2	6.8	15.2	44.8	1.1	3.8	29.7	4.4	6.0	73.0	53.6	1.0	3.2	3.3	2,129	1,242	269	58	15	212	91	+115
16	Kyrie Irving K. Irving	472	74	35.2	21.0	3.6	6.4	1.3	0.3	7.5	17.8	42.2	1.8	5.1	35.6	4.2	4.8	86.5	52.7	0.7	2.9	2.9	2,601	1,552	263	99	25	211	168	-277
17	Killian Hayes K. Hayes	470	76	28.3	10.3	2.9	6.2	1.4	0.4	4.0	10.7	37.7	1.1	3.8	28.0	1.2	1.5	82.1	45.5	0.4	2.5	2.3	2,153	786	221	104	28	173	219	-499
18	Derrick Rose D. Rose	469	78	36.8	20.8	3.8	6.0	0.7	0.3	8.6	17.6	48.9	0.2	0.8	26.7	3.3	4.3	76.6	53.2	0.8	2.9	2.8	2,871	1,619	293	57	27	217	96	-37
19	Jason Kidd J. Kidd	462	61	34.9	11.0	5.4	7.6	2.0	0.3	4.0	10.4	38.3	0.6	2.7	22.2	2.5	3.6	69.1	46.1	1.9	3.5	3.0	2,130	673	331	124	19	184	123
20	Raymond Felton R. Felton	446	80	30.1	11.9	3.3	5.6	1.3	0.1	4.3	11.0	39.1	1.2	3.4	35.8	2.0	2.8	72.5	48.3	1.0	2.4	2.3	2,406	948	265	102	8	182	181	-117
21	De'Aaron Fox D. Fox	431	60	31.3	17.0	3.9	7.2	1.6	0.5	6.1	13.8	44.3	1.0	2.8	34.7	3.8	5.2	72.8	52.8	0.5	3.4	2.8	1,880	1,018	233	95	32	169	163	-27
22	Trey Burke T. Burke	431	78	32.2	12.4	2.9	5.5	0.7	0.1	4.7	12.6	37.3	1.5	4.8	31.8	1.5	1.6	89.1	46.6	0.6	2.4	1.9	2,508	968	227	52	10	148	162	-297
23	Paolo Banchero P. Banchero	411	76	35.2	23.4	7.1	5.4	0.8	0.6	8.3	18.1	45.6	1.6	4.7	34.0	5.3	7.3	72.3	54.9	1.1	6.0	3.0	2,676	1,779	536	61	48	225	140	+34
24	Tony Parker T. Parker	411	75	34.4	14.7	3.2	5.5	0.8	0.1	5.6	12.6	44.7	0.8	2.7	31.2	2.5	3.6	70.2	51.6	0.6	2.6	2.4	2,577	1,099	237	61	7	179	148	+394
25	Luka Dončić L. Dončić	406	45	35.5	28.7	8.5	9.0	1.0	0.6	9.8	20.9	47.1	2.5	7.7	33.0	6.5	8.6	75.5	58.1	0.9	7.6	4.2	1,596	1,292	383	45	27	190	101	+15