Charles Barkley has gotten the most career rebounds per game by a 23-year-old player, with 14.7 per game.

Interpreted as:

most rebound per game by a player as an 23 year old

	NAME	RPG	GP	MPG	PPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Charles Barkley C. Barkley	14.7	68	39.7	22.6	4.8	2.1	1.7	8.2	13.7	59.6	0.3	1.4	23.9	5.9	8.3	71.7	65.1	4.9	9.8	4.9	2,700	1,539	1,000	324	140	113	335	259
2	Charles Oakley C. Oakley	13.8	82	36.8	14.6	3.8	1.0	0.5	5.6	12.3	45.7	0.1	0.4	38.7	3.2	4.6	68.9	50.9	3.9	9.9	3.6	3,018	1,198	1,129	313	85	38	295	303
3	Andre Drummond A. Drummond	13.8	81	29.7	13.6	1.1	1.5	1.1	6.0	11.2	53.0	0.0	0.1	28.6	1.7	4.4	38.6	51.8	4.3	9.5	1.9	2,409	1,105	1,115	90	124	89	152	237	-274
4	Jaylen Hoard J. Hoard	13.7	6	39.6	17.2	2.8	1.0	0.8	7.3	14.8	49.4	1.5	4.2	36.0	1.0	2.3	42.9	54.1	4.8	8.8	1.3	238	103	82	17	6	5	8	14	-83
5	Kevin Love K. Love	13.3	55	39.0	26.0	2.0	0.9	0.5	8.6	19.3	44.8	1.9	5.1	37.2	6.9	8.4	82.4	56.8	4.1	9.2	2.3	2,145	1,432	734	111	47	28	128	152	+27
6	Dwight Howard D. Howard	13.2	79	34.5	19.7	1.4	1.0	2.3	6.8	11.6	58.5	0.0	0.1	0.0	6.1	10.2	59.5	61.0	4.0	9.3	3.1	2,728	1,557	1,046	113	80	185	248	288	+674
7	Karl-Anthony Towns K. Towns	12.5	71	32.9	25.4	3.7	0.9	1.5	9.2	17.6	52.0	2.0	5.2	39.6	5.0	6.2	80.9	62.4	3.4	9.0	2.9	2,334	1,803	884	264	67	108	209	269	+131
8	Domantas Sabonis D. Sabonis	12.4	62	34.8	18.5	5.0	0.8	0.5	7.4	13.7	54.0	0.3	1.1	25.4	3.5	4.8	72.3	58.6	3.0	9.4	2.7	2,159	1,147	771	310	47	30	170	195	+163
9	Tim Duncan T. Duncan	12.3	81	39.1	23.1	3.2	0.9	2.2	8.5	17.3	48.9	0.0	0.2	7.7	6.2	8.1	76.0	55.3	3.4	8.8	3.2	3,171	1,875	994	256	74	179	258	233	+539
10	Walker Kessler W. Kessler	12.2	58	30.0	11.1	1.7	0.6	2.4	4.8	7.2	66.3	0.1	0.6	17.6	1.4	2.6	52.0	66.0	4.6	7.6	1.5	1,740	641	707	97	36	138	86	130	-329
11	Buck Williams B. Williams	12.2	82	37.0	16.2	1.8			6.2	11.8	52.5	0.0			3.7	6.5	58.0	55.1				3,035	1,325	999	145				297
12	Roy Tarpley R. Tarpley	12.1	74	29.2	13.9	1.0	1.3	1.1	5.6	11.1	50.5	0.0	0.1	0.0	2.7	3.7	72.7	54.7	4.6	7.5	2.3	2,160	1,030	895	74	95	79	167	289
13	Shaquille O'Neal S. O'Neal	12.0	56	36.7	27.4	2.9	0.8	2.4	11.3	19.4	58.5	0.0	0.1	20.0	4.8	10.1	47.3	57.7	4.1	8.0	2.7	2,053	1,537	674	165	45	137	151	192
14	Kevin Garnett K. Garnett	11.8	81	40.0	22.9	5.0	1.5	1.6	9.4	18.8	49.7	0.4	1.0	37.0	3.8	5.0	76.5	54.5	2.8	9.0	3.3	3,243	1,857	956	401	120	126	268	205	+322
15	Hakeem Olajuwon H. Olajuwon	11.7	58	36.1	23.5	2.3	2.3	3.1	9.0	16.8	53.6	0.0	0.0	0.0	5.6	8.6	64.9	57.3	4.5	7.2	3.3	2,092	1,364	681	132	132	181	189	228
16	DeMarcus Cousins D. Cousins	11.7	71	32.4	22.7	2.9	1.5	1.3	8.3	16.8	49.6	0.0	0.1	0.0	6.1	8.4	72.6	55.5	3.1	8.6	3.5	2,298	1,614	831	207	109	91	251	270	-20
17	Anthony Davis A. Davis	11.5	66	35.2	27.5	2.1	1.2	2.2	9.9	20.1	49.5	0.5	1.7	30.6	7.1	8.9	80.2	57.3	2.3	9.2	2.5	2,322	1,817	759	139	79	145	164	153	-132
18	Ralph Sampson R. Sampson	11.1	82	32.8	21.0	2.0	0.8	2.4	8.7	16.7	52.3	0.0	0.0	25.0	3.5	5.3	66.1	55.1	3.6	7.6	3.6	2,693	1,720	913	163	69	197	294	339
19	Elton Brand E. Brand	11.1	72	40.0	18.1	2.7	1.1	2.5	7.0	13.7	51.2	0.0	0.0	0.0	4.0	5.7	70.7	55.7	4.7	6.4	2.4	2,879	1,300	801	193	78	182	172	233	-209
20	Nikola Vučević N. Vučević	11.0	57	31.8	14.2	1.8	1.1	0.8	6.2	12.2	50.7	0.0	0.0		1.8	2.4	76.6	53.6	3.2	7.7	2.0	1,812	811	626	104	60	47	112	169	-176
21	Rudy Gobert R. Gobert	11.0	61	31.7	9.1	1.5	0.7	2.2	3.2	5.8	55.9	0.0	0.0		2.6	4.6	56.9	58.2	3.4	7.5	1.9	1,932	557	668	91	45	135	114	163	+150
22	Joel Embiid J. Embiid	10.9	56	31.3	23.6	3.3	0.6	1.8	8.4	17.2	48.7	1.1	3.4	30.6	5.8	7.6	75.9	57.4	2.3	8.7	3.9	1,751	1,321	613	182	36	99	216	189	+381
23	Clint Capela C. Capela	10.8	74	27.5	13.9	0.9	0.8	1.9	6.0	9.1	65.2	0.0	0.0	0.0	1.9	3.5	56.0	65.0	3.3	7.6	1.4	2,034	1,026	802	68	58	137	103	185	+372
24	Giannis Antetokounmpo G. Antetokounmpo	10.8	76	35.8	26.1	5.3	1.4	1.3	9.7	18.0	53.6	0.5	2.1	25.3	6.2	8.4	73.7	60.0	2.3	8.6	3.4	2,719	1,981	823	399	106	100	260	224	+327
25	Nikola Jokić N. Jokić	10.7	80	32.6	20.8	7.4	1.4	0.7	7.8	15.2	51.1	1.3	3.7	35.8	4.0	4.7	84.9	60.4	2.7	8.1	3.1	2,604	1,663	858	590	110	58	249	232	+433