most career rebs by a player before age 30

Dwight Howard has the most career boards by a player younger than 30, with 10,504 rebounds.

	NAME	REB	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
1	Dwight Howard D. Howard	10,504	824	35.6	18.1	12.7	1.5	1.0	2.1	6.4	11.1	57.9	0.0	0.1	10.4	5.2	9.0	57.3	59.8	3.5	9.2	3.1	29,310	14,876	1,250	810	1,739	2,540	2,724	+2945
2	Andre Drummond A. Drummond	9,963	785	28.2	13.2	12.7	1.3	1.3	1.4	5.5	10.2	54.2	0.0	0.1	12.8	2.1	4.3	47.5	54.2	4.3	8.4	1.9	22,116	10,337	1,036	1,021	1,082	1,486	2,365	-598
3	Kevin Garnett K. Garnett	9,567	851	38.2	20.4	11.2	4.5	1.4	1.7	8.2	16.5	49.3	0.2	0.6	29.7	3.9	5.0	77.3	54.3	2.8	8.4	2.6	32,540	17,337	3,833	1,193	1,450	2,182	2,171	+2444
4	Shaquille O'Neal S. O'Neal	8,057	654	37.8	27.6	12.3	2.8	0.7	2.7	11.0	19.1	57.7	0.0	0.0	5.0	5.6	10.5	53.1	58.2	4.0	8.3	2.9	24,727	18,060	1,856	476	1,744	1,888	2,225	+2725
5	Tim Duncan T. Duncan	8,020	666	37.9	22.1	12.0	3.1	0.8	2.5	8.4	16.7	50.5	0.0	0.2	20.4	5.2	7.5	68.5	55.1	3.2	8.8	2.9	25,240	14,689	2,092	529	1,650	1,928	1,833	+4841
6	DeAndre Jordan D. Jordan	7,988	750	28.1	9.4	10.7	0.7	0.6	1.7	3.8	5.7	67.3	0.0	0.0	9.1	1.8	4.1	44.6	63.3	3.2	7.4	1.3	21,045	7,078	557	448	1,276	982	2,015	+1719
7	Giannis Antetokounmpo G. Antetokounmpo	7,953	811	32.8	23.6	9.8	4.9	1.1	1.2	8.6	15.7	54.7	0.7	2.3	28.6	5.7	8.2	69.9	61.0	1.8	8.0	3.0	26,606	19,121	3,981	913	1,011	2,446	2,426	+2695
8	Hakeem Olajuwon H. Olajuwon	7,898	630	36.8	23.0	12.5	2.2	1.9	3.6	9.1	17.7	51.4	0.0	0.1	5.9	4.8	6.9	69.8	55.5	4.2	8.4	3.1	23,176	14,481	1,409	1,223	2,243	1,954	2,497
9	Nikola Jokić N. Jokić	7,866	724	31.5	21.5	10.9	7.1	1.3	0.7	8.3	14.8	55.9	1.1	3.0	36.0	3.9	4.7	82.7	63.7	2.7	8.2	2.9	22,830	15,597	5,169	911	523	2,100	1,942	+3948
10	Charles Barkley C. Barkley	7,691	657	37.4	23.4	11.7	3.8	1.6	1.0	8.3	14.6	57.2	0.4	1.6	24.8	6.4	8.7	73.3	63.7	4.4	7.4	3.5	24,542	15,396	2,515	1,073	661	2,278	2,157
11	Shawn Kemp S. Kemp	7,224	757	30.6	16.7	9.5	1.9	1.2	1.5	6.0	11.8	50.6	0.0	0.1	27.8	4.7	6.4	73.6	57.1	3.3	6.2	2.9	23,187	12,661	1,412	940	1,102	2,230	2,892	+728
12	Kevin Love K. Love	7,158	635	32.2	18.3	11.3	2.3	0.7	0.5	6.1	13.6	44.4	1.6	4.4	37.0	4.6	5.6	82.4	56.9	3.0	8.3	1.9	20,424	11,632	1,470	447	298	1,229	1,355	+861
13	Buck Williams B. Williams	7,150	612	36.5	16.3	11.7	1.6			6.2	11.3	54.8	0.0			4.0	6.0	65.6	58.5				22,330	10,001	956				2,166
14	Karl-Anthony Towns K. Towns	7,136	645	34.1	23.1	11.1	3.2	0.8	1.2	8.5	16.2	52.4	1.7	4.3	40.0	4.4	5.3	83.7	62.4	2.8	8.3	2.7	21,970	14,880	2,037	523	771	1,745	2,197	+1278
15	Rudy Gobert R. Gobert	7,119	611	30.0	12.4	11.7	1.3	0.7	2.2	4.6	7.0	65.3	0.0	0.0	0.0	3.3	5.1	63.8	67.1	3.3	8.3	1.6	18,300	7,592	807	412	1,357	1,008	1,579	+2730
16	Karl Malone K. Malone	7,118	652	37.2	26.1	10.9	2.8	1.4	0.8	9.6	18.2	52.8	0.0	0.2	25.8	6.8	9.4	72.2	58.4	2.9	8.0	3.3	24,235	16,987	1,857	914	489	2,162	2,213
17	Charles Oakley C. Oakley	6,956	644	31.6	10.9	10.8	2.4	1.0	0.3	4.2	8.5	49.7	0.0	0.2	25.2	2.5	3.4	73.1	54.9	3.8	7.0	2.5	20,351	7,044	1,529	630	178	1,619	2,231
18	Domantas Sabonis D. Sabonis	6,880	646	30.8	16.1	10.7	4.9	0.8	0.5	6.3	11.2	56.0	0.5	1.4	34.7	3.0	4.1	72.9	61.6	2.7	7.9	2.6	19,898	10,401	3,161	495	297	1,662	2,018	+723
19	Chris Bosh C. Bosh	6,825	784	36.0	19.2	8.7	2.0	0.8	1.1	6.9	13.9	49.8	0.2	0.6	31.2	5.2	6.5	80.0	57.3	2.3	6.4	2.1	28,218	15,082	1,557	636	857	1,610	1,960	+2046
20	Shawn Marion S. Marion	6,795	676	37.8	18.3	10.1	2.0	1.9	1.3	7.4	15.3	48.1	1.0	2.9	34.1	2.6	3.2	82.1	54.8	2.6	7.5	1.6	25,551	12,363	1,372	1,275	909	1,087	1,737	+2093
21	Anthony Davis A. Davis	6,684	646	34.3	24.0	10.3	2.4	1.3	2.3	9.0	17.3	51.8	0.5	1.6	30.1	5.6	7.0	79.5	58.8	2.6	7.8	2.0	22,175	15,485	1,521	867	1,503	1,276	1,532	+637
22	Al Jefferson A. Jefferson	6,682	733	31.1	17.0	9.1	1.6	0.7	1.3	7.3	14.6	50.0	0.0	0.1	10.3	2.5	3.5	71.3	53.0	2.5	6.6	1.5	22,829	12,489	1,139	532	962	1,091	1,968	-1775
23	Jonas Valančiūnas J. Valančiūnas	6,571	695	26.1	13.4	9.5	1.2	0.4	1.0	5.3	9.5	56.3	0.2	0.6	35.9	2.5	3.2	78.5	61.6	2.8	6.6	1.6	18,141	9,319	824	290	702	1,141	1,982	+708
24	Josh Smith J. Smith	6,541	855	33.2	14.9	7.7	3.2	1.2	2.0	5.8	12.9	45.5	0.5	1.7	28.5	2.7	4.3	63.3	50.6	2.0	5.7	2.5	28,403	12,767	2,730	1,057	1,691	2,148	2,381	-194
25	Elton Brand E. Brand	6,520	643	38.0	20.0	10.1	2.6	0.9	2.1	7.7	15.2	50.3	0.0	0.0	15.4	4.7	6.4	73.6	55.5	3.9	6.3	2.5	24,420	12,852	1,674	592	1,334	1,617	1,993	-1177