37 players are tied for the youngest with 5.0+ rebounds per game in a season. They were 19 years old. The first three are Alex Sarr this season, Dereck Lively II in 2023-24 and Jalen Duren in 2022-23.

Interpreted as:

youngest player to average 5 or higher rpg in a regular season

	NAME	AGE	RPG	SEASON	TM	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	Alex Sarr A. Sarr	19	6.5	2024-25	WAS	67	27.1	13.0	2.4	0.7	1.5	4.9	12.4	39.4	1.6	5.1	30.8	1.7	2.5	67.9	48.2	1.9	4.6	1.7	1,814	869	435	161	44	101	114	146	-547
2	Dereck Lively II D. Lively II	19	6.9	2023-24	DAL	55	23.5	8.8	1.1	0.7	1.4	4.0	5.4	74.7	0.0	0.0	0.0	0.7	1.5	50.6	72.8	2.5	4.4	0.9	1,294	483	378	60	36	77	50	144	+144
3	Jalen Duren J. Duren	19	8.9	2022-23	DET	67	24.9	9.1	1.1	0.7	0.9	3.9	5.9	64.8	0.0	0.0	0.0	1.4	2.3	61.1	65.5	3.4	5.5	1.4	1,670	612	595	75	44	59	92	182	-279
4	Jabari Smith Jr. J. Smith Jr.	19	7.2	2022-23	HOU	79	31.0	12.8	1.3	0.5	0.9	4.6	11.3	40.8	1.5	4.9	30.7	2.1	2.6	78.6	51.4	1.5	5.7	1.3	2,450	1,010	569	101	43	74	104	227	-555
5	Jeremy Sochan J. Sochan	19	5.3	2022-23	SAS	56	26.0	11.0	2.5	0.8	0.4	4.5	9.9	45.3	0.6	2.4	24.6	1.4	2.1	69.8	50.9	1.7	3.6	1.7	1,458	614	295	142	43	23	97	138	-235
6	Alperen Şengün A. Şengün	19	5.5	2021-22	HOU	72	20.7	9.6	2.6	0.8	0.9	3.5	7.3	47.4	0.4	1.6	24.8	2.3	3.2	71.1	55.2	1.9	3.5	2.0	1,489	692	393	185	59	68	145	214	-309
7	Josh Giddey J. Giddey	19	7.8	2021-22	OKC	54	31.5	12.5	6.4	0.9	0.4	5.2	12.4	41.9	1.0	3.9	26.3	1.0	1.5	70.9	47.8	1.8	6.0	3.2	1,700	674	421	345	51	20	171	88	-299
8	James Wiseman J. Wiseman	19	5.8	2020-21	GSW	39	21.4	11.5	0.7	0.3	0.9	4.9	9.4	51.9	0.3	1.0	31.6	1.4	2.2	62.8	55.2	1.4	4.4	1.5	836	448	226	26	11	36	60	121	-183
9	Isaiah Stewart I. Stewart	19	6.7	2020-21	DET	68	21.4	7.9	0.9	0.6	1.3	3.3	6.0	55.3	0.3	0.9	33.3	0.9	1.4	69.6	59.7	2.3	4.3	1.0	1,455	537	453	59	39	86	67	184	-60
10	LaMelo Ball L. Ball	19	5.9	2020-21	CHA	51	28.8	15.7	6.1	1.6	0.4	5.7	13.2	43.6	1.8	5.1	35.2	2.5	3.2	75.8	53.9	1.2	4.7	2.8	1,468	803	302	313	81	18	145	136	-84
11	Zion Williamson Z. Williamson	19	6.3	2019-20	NOP	24	27.8	22.5	2.1	0.7	0.4	8.8	15.0	58.3	0.3	0.6	42.9	4.8	7.4	64.0	61.6	2.7	3.6	2.5	668	540	150	50	16	9	59	42	+62
12	Marvin Bagley III M. Bagley III	19	7.6	2018-19	SAC	62	25.3	14.9	1.0	0.5	1.0	5.7	11.4	50.4	0.5	1.5	31.3	2.9	4.2	69.1	56.2	2.6	5.0	1.6	1,567	923	471	62	33	59	98	120	-103
13	Luka Dončić L. Dončić	19	7.8	2018-19	DAL	72	32.2	21.2	6.0	1.1	0.3	7.0	16.5	42.7	2.3	7.1	32.7	4.8	6.7	71.3	54.5	1.2	6.6	3.4	2,318	1,526	563	429	77	25	247	137	-118
14	Wendell Carter Jr. W. Carter Jr.	19	7.0	2018-19	CHI	44	25.2	10.3	1.8	0.6	1.3	4.1	8.4	48.5	0.1	0.7	18.8	2.0	2.5	79.5	54.1	2.0	5.0	1.5	1,110	455	307	78	26	58	65	152	-292
15	Jayson Tatum J. Tatum	19	5.0	2017-18	BOS	80	30.5	13.9	1.6	1.0	0.7	5.0	10.4	47.5	1.3	3.0	43.4	2.7	3.2	82.6	58.6	0.6	4.4	1.4	2,443	1,112	402	128	83	58	114	170	+344
16	Jarrett Allen J. Allen	19	5.4	2017-18	BKN	72	20.0	8.2	0.7	0.4	1.2	3.3	5.5	58.9	0.1	0.2	33.3	1.6	2.0	77.6	63.6	2.0	3.4	1.1	1,441	587	388	49	28	88	82	147	-145
17	Justise Winslow J. Winslow	19	5.2	2015-16	MIA	78	28.2	6.4	1.5	0.9	0.3	2.5	5.9	42.2	0.4	1.5	27.6	1.0	1.5	68.4	48.9	1.0	4.1	1.2	2,203	502	403	118	68	26	95	184	+105
18	Myles Turner M. Turner	19	5.5	2015-16	IND	60	22.8	10.3	0.7	0.4	1.4	4.4	8.8	49.8	0.1	0.2	21.4	1.5	2.0	72.7	53.1	1.1	4.4	1.1	1,367	619	332	41	25	86	67	158	-69
19	Jabari Parker J. Parker	19	5.5	2014-15	MIL	25	29.5	12.3	1.7	1.2	0.2	5.2	10.5	49.0	0.2	0.6	25.0	1.8	2.6	69.7	52.7	2.0	3.5	1.9	738	308	138	42	31	5	47	42	-118
20	Anthony Davis A. Davis	19	8.2	2012-13	NOH	64	28.8	13.5	1.0	1.2	1.8	5.5	10.6	51.6	0.0	0.1	0.0	2.6	3.5	75.1	55.9	2.6	5.6	1.4	1,846	867	522	63	75	112	89	158	-153
21	Andre Drummond A. Drummond	19	7.6	2012-13	DET	60	20.7	7.9	0.5	1.0	1.6	3.5	5.7	60.8	0.0	0.0	50.0	1.0	2.7	37.1	57.8	2.8	4.8	1.0	1,243	476	457	30	59	95	57	144	-51
22	Michael Kidd-Gilchrist M. Kidd-Gilchrist	19	5.8	2012-13	CHA	78	26.0	9.0	1.5	0.7	0.9	3.6	7.9	45.8	0.0	0.1	22.2	1.8	2.4	74.9	50.6	1.7	4.2	1.3	2,025	704	455	117	54	70	101	164	-286
23	Bismack Biyombo B. Biyombo	19	5.8	2011-12	CHA	63	23.1	5.2	0.4	0.3	1.8	2.0	4.4	46.4	0.0	0.0		1.1	2.3	48.3	48.0	1.8	4.0	1.1	1,455	327	368	27	20	115	71	145	-462
24	Derrick Favors D. Favors	19	5.3	2010-11	TOT	78	19.7	6.8	0.5	0.4	0.9	2.8	5.3	51.7	0.0	0.0		1.3	2.2	59.5	54.2	2.2	3.1	1.0	1,535	533	412	39	29	68	77	246	-233
25	Anthony Randolph A. Randolph	19	5.8	2008-09	GSW	63	17.9	7.9	0.8	0.7	1.2	3.2	6.8	46.2	0.0	0.1	0.0	1.6	2.2	71.6	50.6	2.0	3.7	1.3	1,129	499	363	49	42	74	80	141	-94