John Stockton has the most career assists by a player younger than 31, with 8,190 assists.

Interpreted as:

most career ast by a player before age 31

	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	John Stockton J. Stockton	8,190	720	31.5	13.1	2.5	11.4	2.5	0.2	4.7	9.1	51.1	0.4	1.2	35.6	3.4	4.1	82.4	60.0	0.6	1.9	3.0	22,700	9,431	1,833	1,802	138	2,127	2,028
2	Chris Paul C. Paul	7,688	773	35.9	18.8	4.4	9.9	2.3	0.1	6.6	14.0	47.3	1.1	3.1	36.5	4.4	5.1	86.4	57.8	0.7	3.7	2.4	27,725	14,506	3,380	1,793	82	1,877	1,909	+3439
3	Isiah Thomas I. Thomas	7,426	770	36.9	19.9	3.7	9.6			7.7	16.6	46.0	0.4			4.3	5.5	77.0	52.3				28,411	15,350	2,878				2,369
4	Magic Johnson M. Johnson	7,309	603	36.8	20.0	6.9	12.1			7.0	13.4	52.3	0.3	1.1	30.1	5.6	6.6	85.8	61.3				22,203	12,076	4,159				1,311
5	Russell Westbrook R. Westbrook	6,964	830	34.5	23.0	7.0	8.4	1.8	0.3	8.1	18.6	43.5	1.1	3.7	30.7	5.7	7.1	80.0	52.9	1.7	5.4	4.1	28,625	19,056	5,838	1,460	254	3,367	2,092	+3142
6	Jason Kidd J. Kidd	6,707	715	37.6	14.9	6.4	9.4	2.1	0.3	5.3	13.3	40.2	1.2	3.6	32.4	3.0	3.9	78.0	49.6	1.6	4.8	3.4	26,893	10,620	4,572	1,489	224	2,425	1,351	+2261
7	LeBron James L. James	6,475	940	39.2	27.3	7.1	6.9	1.7	0.8	9.8	19.8	49.6	1.4	4.0	33.9	6.3	8.5	74.4	58.0	1.2	6.0	3.4	36,814	25,657	6,716	1,595	744	3,170	1,755	+5298
8	Stephon Marbury S. Marbury	6,396	823	38.2	19.7	3.0	7.8	1.2	0.1	7.0	16.1	43.4	1.2	3.7	32.6	4.6	5.8	78.5	52.9	0.7	2.3	3.0	31,477	16,209	2,488	1,012	118	2,510	1,980	-988
9	Kevin Johnson K. Johnson	6,216	655	34.6	18.4	3.3	9.5	1.6	0.2	6.4	12.9	49.4	0.2	0.6	27.8	5.5	6.6	83.7	58.3	0.7	2.6	3.2	22,654	12,051	2,129	1,019	161	2,076	1,439	+23
10	Deron Williams D. Williams	6,081	716	35.1	17.0	3.2	8.5	1.1	0.3	6.0	13.4	44.7	1.4	3.9	35.8	3.6	4.5	81.9	55.4	0.4	2.7	3.0	25,101	12,185	2,282	775	184	2,114	1,839	+1103
11	Rajon Rondo R. Rondo	5,926	693	32.4	10.6	4.9	8.6	1.8	0.1	4.5	9.6	46.3	0.3	1.1	29.2	1.4	2.4	60.5	49.9	1.1	3.8	2.9	22,463	7,379	3,376	1,247	93	2,019	1,561	+1619
12	Mark Jackson M. Jackson	5,817	703	32.4	11.5	4.1	8.3	1.5	0.1	4.5	9.7	46.0	0.4	1.4	30.6	2.1	2.7	76.2	52.5	1.2	2.9	2.7	22,744	8,057	2,875	1,075	78	1,888	1,319
13	Nikola Jokić N. Jokić	5,636	768	31.8	22.0	11.0	7.3	1.3	0.7	8.4	15.0	56.1	1.1	3.1	36.2	4.0	4.8	82.5	64.1	2.7	8.3	2.9	24,441	16,881	8,423	980	554	2,257	2,060	+4294
14	John Wall J. Wall	5,557	613	35.6	19.1	4.3	9.1	1.7	0.7	6.9	16.0	43.1	1.0	3.1	32.3	4.3	5.5	77.9	51.7	0.6	3.7	3.8	21,832	11,702	2,612	1,018	427	2,332	1,335	-19
15	Baron Davis B. Davis	5,499	748	35.2	16.7	4.0	7.4	1.9	0.4	6.1	14.8	40.9	1.6	5.1	31.9	3.0	4.2	70.8	50.2	1.0	3.0	2.8	26,348	12,509	2,971	1,418	329	2,086	2,157	+835
16	Muggsy Bogues M. Bogues	5,469	638	30.4	8.4	2.9	8.6	1.7	0.0	3.5	7.7	46.0	0.0	0.3	15.5	1.3	1.6	81.3	50.2	0.7	2.2	1.7	19,423	5,382	1,826	1,108	29	1,104	1,240
17	James Harden J. Harden	5,255	833	34.3	25.2	5.3	6.3	1.6	0.5	7.4	16.7	44.3	2.8	7.7	36.3	7.6	8.8	85.8	61.1	0.8	4.6	3.7	28,587	20,962	4,446	1,314	443	3,078	2,204	+3423
18	Tony Parker T. Parker	5,247	872	32.9	17.1	3.0	6.0	1.0	0.1	6.8	13.7	49.4	0.4	1.4	31.3	3.1	4.2	74.8	55.0	0.4	2.6	2.5	28,688	14,917	2,645	836	66	2,205	1,554	+4620
19	Terry Porter T. Porter	5,153	716	32.2	15.3	3.5	7.2	1.6	0.1	5.4	11.4	47.4	1.0	2.6	38.5	3.5	4.1	85.0	57.9	0.7	2.8	2.6	23,064	10,942	2,524	1,145	90	1,832	1,417
20	Rod Strickland R. Strickland	4,969	651	31.9	14.6	3.9	7.6	1.7	0.2	5.5	11.7	46.9	0.2	0.7	29.9	3.4	4.8	71.4	53.0	1.2	2.7	2.8	20,783	9,533	2,559	1,101	132	1,824	1,292	+78
21	Nick Van Exel N. Van Exel	4,929	656	35.4	15.8	3.0	7.5	0.9	0.1	5.8	14.2	40.6	1.9	5.2	35.5	2.4	3.0	80.4	51.0	0.5	2.6	2.3	23,204	10,372	1,992	607	83	1,512	1,116	+45
22	Jrue Holiday J. Holiday	4,916	772	33.2	16.0	4.0	6.4	1.5	0.5	6.3	13.8	45.7	1.3	3.8	35.8	2.0	2.6	77.8	53.4	0.9	3.1	2.7	25,609	12,361	3,060	1,159	401	2,092	1,738	+1248
23	Tim Hardaway T. Hardaway	4,901	531	37.3	19.7	3.6	9.2	1.9	0.2	7.3	16.3	44.7	1.6	4.6	35.3	3.5	4.5	77.6	53.8	0.8	2.8	3.2	19,810	10,463	1,911	1,030	87	1,696	1,341	+535
24	Mike Bibby M. Bibby	4,862	802	36.1	16.4	3.3	6.1	1.3	0.2	6.1	13.8	43.9	1.5	4.0	37.4	2.8	3.5	80.5	53.6	0.6	2.7	2.4	28,925	13,177	2,665	1,034	134	1,923	1,554	+281
25	Ricky Rubio R. Rubio	4,830	632	30.4	11.0	4.2	7.6	1.8	0.1	3.6	9.2	39.1	0.9	2.7	32.6	3.0	3.5	84.3	51.5	0.6	3.5	2.6	19,182	6,966	2,623	1,152	81	1,649	1,615	+757