Before 1991, Hank Aaron launched the most homers, with 755 home runs.

Interpreted as:

most career home runs by a player through 1990

	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	wRC	WRAA	wOBA	wRC+	BRAA
1	Hank Aaron H. Aaron	755	3,298	12,364	2,174	3,771	624	98	2,297	1,402	32	1,383	240	73	13,940	6,856	1,477	21	121	293	328	.305	.374	.555	.928	2453	936.4	.403	153	858.5
2	Babe Ruth B. Ruth	714	2,503	8,399	2,174	2,873	506	136	2,214	2,062	43	1,330	123		10,617	5,793	1,356	113				.342	.474	.690	1.164	2727	1,436.8	.513	197	1,369.6
3	Willie Mays W. Mays	660	2,992	10,881	2,062	3,283	523	140	1,903	1,464	44	1,526	338	103	12,493	6,066	1,323	13	91	192	251	.302	.384	.557	.941	2266	894.8	.409	154	802.7
4	Frank Robinson F. Robinson	586	2,808	10,006	1,829	2,943	528	72	1,812	1,420	198	1,532	204	77	11,743	5,373	1,186	17	102	218	270	.294	.389	.537	.926	2083	807.2	.404	153	717.1
5	Harmon Killebrew H. Killebrew	573	2,435	8,147	1,283	2,086	290	24	1,584	1,559	48	1,699	19	18	9,831	4,143	887	0	77	160	243	.256	.376	.509	.884	1630	569	.389	142	477.8
6	Reggie Jackson R. Jackson	563	2,820	9,864	1,551	2,584	463	49	1,702	1,375	96	2,597	228	115	11,416	4,834	1,075	13	68	164	183	.262	.356	.490	.846	1749	503	.374	139	497.6
7	Mike Schmidt M. Schmidt	548	2,404	8,352	1,506	2,234	408	59	1,595	1,507	79	1,883	174	92	10,062	4,404	1,015	16	108	201	156	.267	.380	.527	.908	1717	591	.395	147	539.8
8	Mickey Mantle M. Mantle	536	2,401	8,102	1,676	2,415	344	72	1,509	1,733	13	1,710	153	38	9,909	4,511	952	14	47	126	113	.298	.421	.557	.977	1941	840	.428	170	821.8
9	Jimmie Foxx J. Foxx	534	2,317	8,134	1,751	2,646	458	125	1,922	1,452	13	1,311	87		9,670	4,956	1,117	71			69	.325	.428	.609	1.038	2135	934.1	.460	158	780.8
10	Willie McCovey W. McCovey	521	2,588	8,197	1,229	2,211	353	46	1,555	1,345	69	1,550	26	22	9,686	4,219	920	5	70	260	176	.270	.374	.515	.889	1594	551.5	.388	145	497.9
11	Ted Williams T. Williams	521	2,292	7,706	1,798	2,654	525	71	1,839	2,021	39	709	24	4	9,791	4,884	1,117	5	20	86	197	.344	.482	.634	1.116	2349	1,219.7	.493	188	1,067
12	Ernie Banks E. Banks	512	2,528	9,421	1,305	2,583	407	90	1,636	763	70	1,236	50	53	10,395	4,706	1,009	45	96	198	229	.274	.330	.500	.830	1496	354.6	.359	118	228.9
13	Eddie Mathews E. Mathews	512	2,391	8,537	1,509	2,315	354	72	1,453	1,444	26	1,487	68	39	10,101	4,349	938	36	58	107	123	.271	.376	.509	.885	1685	557.5	.389	143	531.2
14	Mel Ott M. Ott	511	2,730	9,456	1,859	2,876	488	72	1,860	1,708	64	896	89		11,337	5,041	1,071	109			38	.304	.414	.533	.947	2204	826.4	.430	156	794.2
15	Lou Gehrig L. Gehrig	493	2,164	8,001	1,888	2,721	534	163	1,995	1,508	45	790	102		9,660	5,060	1,190	106			2	.340	.447	.632	1.080	2265	1,046.8	.477	173	980
16	Willie Stargell W. Stargell	475	2,360	7,927	1,194	2,232	423	55	1,540	937	78	1,936	17	16	9,026	4,190	953	9	75	227	143	.282	.360	.529	.889	1471	511.5	.387	145	459.3
17	Stan Musial S. Musial	475	3,026	10,972	1,949	3,630	725	177	1,951	1,599	53	696	78	31	12,712	6,134	1,377	35	53	127	243	.331	.417	.559	.976	2474	1,032.5	.435	158	896.7
18	Carl Yastrzemski C. Yastrzemski	452	3,308	11,988	1,816	3,419	646	59	1,844	1,845	40	1,393	168	116	13,991	5,539	1,157	13	105	190	323	.285	.379	.462	.841	2155	643.2	.375	130	469.8
19	Dave Kingman D. Kingman	442	1,941	6,677	901	1,575	240	25	1,210	608	53	1,816	85	49	7,429	3,191	707	16	75	72	139	.236	.302	.478	.780	960	139.8	.343	113	108.5
20	Billy Williams B. Williams	426	2,488	9,350	1,410	2,711	434	88	1,475	1,045	43	1,046	90	49	10,519	4,599	948	8	73	182	200	.290	.361	.492	.853	1630	511.5	.376	132	377.3
21	Darrell Evans D. Evans	414	2,687	8,973	1,344	2,223	329	36	1,354	1,605	35	1,410	98	68	10,737	3,866	779	34	90	141	133	.248	.361	.431	.792	1496	305.2	.355	120	251.8
22	Duke Snider D. Snider	407	2,143	7,161	1,259	2,116	358	85	1,333	971	21	1,237	99	50	8,237	3,865	850	52	32	104	166	.295	.380	.540	.919	1439	489.8	.404	139	398.8
23	Al Kaline A. Kaline	399	2,834	10,116	1,622	3,007	498	75	1,582	1,277	55	1,020	137	65	11,597	4,852	972	45	104	131	271	.297	.376	.480	.855	1825	555.2	.378	134	453.6
24	Graig Nettles G. Nettles	390	2,700	8,986	1,193	2,225	328	28	1,314	1,088	50	1,209	32	36	10,226	3,779	746	12	90	94	197	.248	.329	.421	.750	1271	147.5	.337	111	126.5
25	Johnny Bench J. Bench	389	2,158	7,658	1,091	2,048	381	24	1,376	891	19	1,278	68	43	8,669	3,644	794	11	90	135	201	.267	.342	.476	.817	1236	302.7	.362	125	253