Hank Aaron has smashed the most career homers by a player younger than 41, with 733 home runs.

Interpreted as:

most homerun before turning 41 years old by a player

	NAME	HR	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Hank Aaron H. Aaron	733	3,076	11,628	2,108	3,600	600	96	2,202	1,298	31	1,292	240	71	13,090	6,591	1,429	20	113	289	307	.310	.377	.567	.944
2	Babe Ruth B. Ruth	714	2,504	8,400	2,173	2,873	506	136	2,213	2,062	44	1,331	123		10,622	5,793	1,356	116				.342	.474	.690	1.164
3	Barry Bonds B. Bonds	703	2,716	9,098	2,070	2,730	563	77	1,843	2,302	93	1,428	506	141	11,584	5,556	1,343	4	87	604	143	.300	.443	.611	1.053
4	Alex Rodriguez A. Rodriguez	696	2,777	10,550	2,021	3,113	547	31	2,084	1,338	176	2,280	329	76	12,191	5,810	1,274	16	111	97	261	.295	.380	.551	.931
5	Albert Pujols A. Pujols	662	2,862	10,839	1,843	3,236	669	16	2,100	1,331	108	1,304	114	41	12,394	5,923	1,347	1	115	312	399	.299	.377	.546	.924
6	Willie Mays W. Mays	646	2,855	10,476	2,009	3,186	504	139	1,859	1,396	42	1,437	336	97	12,013	5,906	1,289	9	90	187	241	.304	.385	.564	.949
7	Ken Griffey Jr. K. Griffey Jr.	630	2,671	9,801	1,662	2,781	524	38	1,836	1,312	81	1,779	184	69	11,304	5,271	1,192	8	102	246	199	.284	.370	.538	.907
8	Sammy Sosa S. Sosa	609	2,354	8,813	1,475	2,408	379	45	1,667	929	59	2,306	234	107	9,896	4,704	1,033	17	78	154	202	.273	.344	.534	.878
9	Jim Thome J. Thome	601	2,464	8,192	1,555	2,266	440	26	1,664	1,714	68	2,466	19	20	10,049	4,561	1,067	1	74	169	158	.277	.403	.557	.960
10	Frank Robinson F. Robinson	586	2,805	10,002	1,830	2,942	528	72	1,811	1,418	198	1,532	203	79	11,737	5,372	1,186	17	102	218	279	.294	.389	.537	.926
11	Mark McGwire M. McGwire	583	1,874	6,187	1,167	1,626	252	6	1,414	1,317	75	1,596	12	8	7,660	3,639	841	3	78	150	147	.263	.394	.588	.982
12	Harmon Killebrew H. Killebrew	573	2,435	8,147	1,282	2,086	290	24	1,583	1,561	48	1,704	19	20	9,833	4,143	887	0	77	161	243	.256	.376	.509	.884
13	Rafael Palmeiro R. Palmeiro	569	2,831	10,472	1,663	3,020	585	38	1,834	1,353	87	1,348	97	40	12,046	5,388	1,192	15	119	172	232	.288	.371	.515	.885
14	Manny Ramirez M. Ramirez	555	2,302	8,244	1,544	2,574	547	20	1,831	1,329	109	1,813	38	33	9,774	4,826	1,122	2	90	216	243	.312	.411	.585	.996
15	Reggie Jackson R. Jackson	552	2,737	9,635	1,525	2,531	453	49	1,671	1,355	93	2,526	228	114	11,163	4,738	1,054	13	67	164	180	.263	.357	.492	.849
16	Mike Schmidt M. Schmidt	548	2,404	8,352	1,506	2,234	408	59	1,595	1,507	79	1,883	174	91	10,062	4,404	1,015	16	108	201	156	.267	.380	.527	.908
17	David Ortiz D. Ortiz	541	2,408	8,640	1,419	2,472	632	19	1,768	1,319	38	1,750	17	9	10,091	4,765	1,192	2	92	209	236	.286	.380	.552	.931
18	Mickey Mantle M. Mantle	536	2,401	8,101	1,675	2,415	344	72	1,509	1,733	12	1,718	152	42	9,907	4,511	952	14	47	126	113	.298	.420	.557	.977
19	Jimmie Foxx J. Foxx	534	2,317	8,134	1,751	2,645	458	125	1,924	1,457	13	1,311	87		9,676	4,955	1,117	72			70	.325	.428	.609	1.038
20	Frank Thomas F. Thomas	521	2,322	8,199	1,494	2,468	495	12	1,704	1,667	87	1,397	32	23	10,074	4,550	1,028	0	121	168	226	.301	.419	.555	.974
21	Ernie Banks E. Banks	512	2,528	9,420	1,306	2,584	407	90	1,636	763	70	1,234	49	54	10,394	4,707	1,009	45	96	197	231	.274	.330	.500	.830
22	Eddie Mathews E. Mathews	512	2,391	8,537	1,509	2,315	354	72	1,454	1,443	26	1,490	69	41	10,100	4,349	938	36	58	107	127	.271	.376	.509	.885
23	Miguel Cabrera M. Cabrera	511	2,797	10,356	1,551	3,174	627	17	1,881	1,258	74	2,105	40	21	11,796	5,368	1,155	5	103	238	364	.306	.382	.518	.901
24	Mel Ott M. Ott	511	2,730	9,455	1,859	2,876	488	72	1,865	1,720	64	895	89		11,348	5,041	1,071	109			38	.304	.415	.533	.948
25	Gary Sheffield G. Sheffield	509	2,576	9,217	1,636	2,689	467	27	1,676	1,475	135	1,171	253	104	10,947	4,737	1,003	9	111	130	235	.292	.393	.514	.907