Isiah Thomas has the most career assists by a player younger than 26, with 4,314 assists.

Interpreted as:

most assists by a player before age 26 NBA

	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	Isiah Thomas I. Thomas	4,314	402	37.3	21.4	4.0	10.7			8.1	17.4	46.8	0.3			4.8	6.3	76.1	53.1				14,992	8,602	1,612				1,425
2	Chris Paul C. Paul	4,228	425	37.1	18.7	4.6	9.9	2.4	0.1	6.6	14.0	47.1	0.9	2.5	35.9	4.6	5.4	85.3	57.1	0.7	3.9	2.5	15,761	7,936	1,951	1,010	36	1,065	1,083	+868
3	LeBron James L. James	4,057	582	40.2	27.6	7.0	7.0	1.7	0.9	9.8	20.6	47.5	1.4	4.2	33.1	6.7	8.9	74.4	56.3	1.2	5.8	3.3	23,378	16,081	4,089	1,003	496	1,929	1,144	+2601
4	Stephon Marbury S. Marbury	3,894	474	38.1	20.4	3.0	8.2	1.2	0.2	7.3	17.0	43.0	1.2	3.8	31.4	4.6	6.0	77.7	52.1	0.8	2.2	3.3	18,083	9,682	1,433	573	81	1,565	1,166	-326
5	Trae Young T. Young	3,868	407	34.1	25.5	3.6	9.5	1.0	0.2	8.1	18.6	43.6	2.6	7.3	35.5	6.7	7.7	87.3	58.1	0.6	2.9	4.2	13,882	10,379	1,451	414	62	1,696	696	-155
6	John Wall J. Wall	3,779	422	36.0	18.0	4.5	9.0	1.7	0.6	6.6	15.3	42.9	0.8	2.5	31.9	4.1	5.2	78.9	51.3	0.6	3.9	3.8	15,195	7,614	1,891	713	273	1,590	987	-75
7	Kevin Johnson K. Johnson	3,662	370	34.5	18.7	3.5	9.9	1.6	0.3	6.5	13.2	49.6	0.1	0.5	19.0	5.5	6.5	84.3	58.1	0.6	2.9	3.2	12,774	6,911	1,294	592	93	1,202	835
8	Luka Dončić L. Dončić	3,529	428	34.8	28.5	8.7	8.2	1.2	0.5	9.7	20.7	46.8	3.0	8.7	34.6	6.1	8.2	74.8	58.7	1.0	7.7	4.0	14,908	12,205	3,713	520	195	1,691	977	+1097
9	Deron Williams D. Williams	3,489	386	35.3	16.7	3.1	9.0	1.0	0.2	6.1	13.1	46.7	1.1	3.0	36.1	3.4	4.3	79.9	55.9	0.5	2.6	3.0	13,622	6,447	1,202	397	89	1,150	1,029	+1057
10	Rajon Rondo R. Rondo	3,113	406	32.2	10.9	4.4	7.7	1.9	0.1	4.5	9.3	48.6	0.1	0.6	24.3	1.8	2.8	62.2	51.9	1.2	3.3	2.6	13,081	4,424	1,794	784	54	1,055	925	+1943
11	Russell Westbrook R. Westbrook	3,055	442	33.9	20.1	4.9	6.9	1.6	0.3	7.1	16.4	43.3	0.7	2.4	30.5	5.1	6.3	81.6	52.3	1.6	3.3	3.5	14,973	8,874	2,174	722	132	1,552	1,047	+1338
12	Tony Parker T. Parker	2,959	540	33.1	16.0	3.1	5.5	1.0	0.1	6.3	13.0	48.7	0.5	1.7	31.4	2.8	3.9	71.6	54.4	0.5	2.6	2.5	17,879	8,638	1,680	539	40	1,347	1,046	+2899
13	Tyrese Haliburton T. Haliburton	2,947	333	33.0	17.5	3.7	8.8	1.5	0.6	6.3	13.3	47.7	2.6	6.6	39.2	2.3	2.7	85.5	60.6	0.6	3.0	2.1	10,996	5,842	1,218	490	199	711	440	-26
14	Jason Kidd J. Kidd	2,934	323	36.7	13.1	6.0	9.1	2.0	0.3	4.8	12.0	39.6	1.1	3.4	32.3	2.5	3.4	71.5	48.3	1.8	4.2	3.3	11,848	4,227	1,925	662	108	1,052	617	+445
15	Mike Bibby M. Bibby	2,807	431	36.1	15.4	3.2	6.5	1.4	0.2	5.9	13.1	45.1	1.1	2.8	37.2	2.5	3.2	79.8	53.1	0.7	2.6	2.5	15,577	6,632	1,392	588	73	1,077	813	-50
16	Baron Davis B. Davis	2,747	405	34.7	15.6	3.9	6.8	1.9	0.4	5.7	13.9	41.0	1.7	5.1	32.8	2.5	3.8	66.7	50.0	1.0	2.8	2.7	14,044	6,298	1,561	759	165	1,082	1,156	+819
17	Kenny Anderson K. Anderson	2,691	342	32.9	15.3	3.3	7.9	1.6	0.2	5.5	13.4	41.4	0.7	2.1	33.2	3.5	4.4	80.2	49.9	0.9	2.4	2.6	11,264	5,232	1,128	535	63	887	771
18	Magic Johnson M. Johnson	2,672	223	37.0	17.5	7.4	12.0			6.5	11.7	55.7	0.1	0.4	14.9	4.4	5.4	81.9	62.2				8,255	3,910	1,650				524
19	Jrue Holiday J. Holiday	2,659	437	32.2	14.1	3.5	6.1	1.4	0.4	5.6	12.7	43.9	1.1	2.9	36.8	1.9	2.3	80.1	51.3	0.8	2.7	2.7	14,066	6,162	1,536	632	154	1,164	1,013	+254
20	Darius Garland D. Garland	2,588	387	33.1	18.8	2.7	6.7	1.2	0.1	6.9	15.2	45.2	2.3	6.0	38.8	2.7	3.1	86.9	56.7	0.5	2.1	2.9	12,821	7,271	1,027	450	44	1,140	712	+935
21	Nate McMillan N. McMillan	2,579	310	29.4	6.6	4.7	8.3	1.9	0.5	2.5	5.5	45.6	0.1	0.4	26.3	1.4	2.2	65.3	50.7	1.6	3.1	2.4	9,106	2,052	1,460	590	170	742	1,001
22	De'Aaron Fox D. Fox	2,573	414	32.4	20.6	3.7	6.2	1.3	0.4	7.6	16.1	47.3	1.3	4.0	32.7	4.1	5.6	73.5	55.6	0.5	3.1	2.7	13,432	8,546	1,528	543	171	1,128	1,078	-591
23	Raymond Felton R. Felton	2,573	399	34.9	13.3	3.4	6.4	1.4	0.2	5.0	12.1	41.0	0.9	2.9	32.7	2.4	3.1	78.2	49.3	0.7	2.7	2.6	13,939	5,311	1,366	565	82	1,021	908	-316
24	John Stockton J. Stockton	2,558	313	24.0	8.6	2.0	8.2	2.0	0.2	3.1	6.1	51.8	0.1	0.4	23.0	2.3	2.8	79.9	59.0	0.4	1.6	2.2	7,527	2,698	624	630	49	685	859
25	Brandon Jennings B. Jennings	2,542	412	33.9	16.6	3.2	6.2	1.4	0.2	5.9	15.0	39.1	1.9	5.4	35.1	2.9	3.6	80.2	49.8	0.7	2.6	2.4	13,969	6,819	1,336	574	83	1,000	812	-494