Since 1950, Ted Williams has the best on-base percentage, with an on-base percentage of .474.

Interpreted as:

highest career obp with a minimum of 1.55 PA per team game player since 1950

	NAME	OBP	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Ted Williams T. Williams	.474	1,108	3,485	716	1,166	211	15	256	801	920	18	333	8	4	4,443	2,175	482	0	20	86	98	.335	.624	1.098	1031	518.6	.476	184	452.6
2	Barry Bonds B. Bonds	.444	2,986	9,847	2,227	2,935	601	77	762	1,996	2,558	106	1,539	514	141	12,606	5,976	1,440	4	91	688	165	.298	.607	1.051	2663	1,143.3	.435	172	1,142
3	Ferris Fain F. Fain	.431	720	2,424	363	721	137	13	31	333	560	13	139	24	12	3,021	977	181	16	8	3	70	.297	.403	.834	492	138.4	.394	130	111.8
4	Eddie Stanky E. Stanky	.427	367	1,155	221	312	46	7	22	102	296	19	126	17	5	1,489	438	75	19			13	.270	.379	.806	236	57.3	.388	125	47.9
5	Mickey Mantle M. Mantle	.421	2,401	8,102	1,676	2,415	344	72	536	1,509	1,733	13	1,710	153	38	9,909	4,511	952	14	47	126	113	.298	.557	.977	1941	840	.428	170	821.8
6	Frank Thomas F. Thomas	.419	2,322	8,199	1,494	2,468	495	12	521	1,704	1,667	87	1,397	32	23	10,074	4,550	1,028	0	121	168	226	.301	.555	.974	1954	721.1	.416	154	692
7	Edgar Martinez E. Martinez	.418	2,055	7,213	1,219	2,247	514	15	309	1,261	1,283	89	1,202	49	30	8,672	3,718	838	10	77	113	190	.312	.515	.933	1606	548.2	.405	147	523.9
8	Juan Soto J. Soto	.417	1,096	3,857	775	1,086	199	16	244	697	896	19	833	95	27	4,801	2,049	459	3	26	80	101	.282	.531	.948	919	344.3	.402	158	338.1
9	Jackie Robinson J. Robinson	.416	928	3,120	592	970	166	29	97	477	523	48	191	109	30	3,751	1,485	292	51	9	7	79	.311	.476	.892	656	218.3	.408	138	179.1
10	Wade Boggs W. Boggs	.415	2,439	9,180	1,513	3,010	578	61	118	1,014	1,412	23	745	24	35	10,740	4,064	757	29	96	180	236	.328	.443	.858	1746	493.9	.381	132	411
11	Todd Helton T. Helton	.414	2,247	7,962	1,401	2,519	592	37	369	1,406	1,335	57	1,175	37	29	9,450	4,292	998	3	93	185	186	.316	.539	.953	1765	612.5	.405	132	389.5
12	Aaron Judge A. Judge	.413	1,145	4,105	873	1,205	203	7	368	830	817	40	1,369	65	21	4,995	2,526	578	0	33	104	116	.294	.615	1.028	1050	453.4	.425	178	457.2
13	Manny Ramirez M. Ramirez	.411	2,302	8,244	1,544	2,574	547	20	555	1,831	1,329	109	1,813	38	33	9,774	4,826	1,122	2	90	216	243	.312	.585	.996	1931	719.5	.418	153	658.7
14	Stan Musial S. Musial	.410	1,954	6,839	1,134	2,198	423	69	329	1,245	1,034	32	497	34	31	7,965	3,746	821	7	53	127	161	.321	.548	.958	1498	581	.420	149	486.6
15	Joey Votto J. Votto	.409	2,056	7,252	1,171	2,135	459	22	356	1,144	1,365	81	1,640	80	29	8,746	3,706	837	0	48	147	168	.294	.511	.920	1563	539.6	.394	145	472.9
16	Jeff Bagwell J. Bagwell	.408	2,150	7,797	1,517	2,314	488	32	449	1,529	1,401	128	1,558	202	78	9,431	4,213	969	3	102	155	221	.297	.540	.948	1755	596.6	.405	149	588.3
17	Mike Trout M. Trout	.407	1,648	5,966	1,196	1,754	325	55	404	1,018	1,067	106	1,662	214	38	7,200	3,401	784	0	61	130	75	.294	.570	.977	1392	555.5	.410	166	556.8
18	Lance Berkman L. Berkman	.406	1,879	6,491	1,146	1,905	422	30	366	1,234	1,201	66	1,300	86	48	7,813	3,485	818	1	54	160	147	.293	.537	.943	1424	477.5	.400	144	432.3
19	Eddie Yost E. Yost	.405	1,710	5,889	1,027	1,509	268	35	128	572	1,390	92	764	60	48	7,464	2,231	431	75	18	15	98	.256	.379	.784	1101	238.2	.369	120	185.6
20	Joe Cunningham J. Cunningham	.403	1,141	3,362	525	980	177	26	64	436	599	49	369	16	27	4,061	1,401	267	26	25	31	56	.291	.417	.820	625	168.4	.371	124	119
21	Jim Thome J. Thome	.402	2,543	8,422	1,583	2,328	451	26	612	1,699	1,747	69	2,548	19	20	10,313	4,667	1,089	1	74	173	165	.276	.554	.956	1925	653.9	.406	145	589.5
22	Rickey Henderson R. Henderson	.401	3,081	10,961	2,295	3,055	510	66	297	1,115	2,190	98	1,694	1,406	335	13,346	4,588	873	30	67	61	172	.279	.419	.820	2074	509.6	.372	132	507.9
23	Chipper Jones C. Jones	.401	2,499	8,984	1,619	2,726	549	38	468	1,623	1,512	18	1,409	150	46	10,614	4,755	1,055	3	97	177	253	.303	.529	.930	1904	598.1	.397	141	563
24	Elmer Valo E. Valo	.401	1,092	2,600	377	731	132	32	37	339	506	24	164	49	30	3,166	1,038	201	19	17	12	61	.281	.399	.800	468	100.3	.372	117	67.5
25	Larry Walker L. Walker	.400	1,988	6,907	1,355	2,160	471	62	383	1,311	913	138	1,231	230	76	8,030	3,904	916	7	65	117	153	.313	.565	.965	1532	556.6	.412	140	406.2