Since 1930, Ted Williams has the highest batting average in a season, with an average of .406 in 1941.

Interpreted as:

best bat average with a minimum of 3.1 PA per team game by a player in a season after 20's

	NAME	AVG	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ted Williams T. Williams	.406	1941	BSA	143	456	135	185	33	3	37	120	147	3	27	2	4	606	335	73	0			10	.553	.735	1.287	179	108.8	.568	221	96.9
2	Bill Terry B. Terry	.401	1930	NYG	154	633	139	254	39	15	23	129	57	1	33	8		710	392	77	19				.452	.619	1.071	171	71.2	.468	156	62.1
3	Tony Gwynn T. Gwynn	.394	1994	SDP	110	419	79	165	35	1	12	64	48	2	19	5	0	475	238	48	1	5	16	20	.454	.568	1.022	101	40.6	.434	166	40.2
4	Babe Herman B. Herman	.393	1930	BKN	153	614	143	241	48	11	35	130	66	4	56	18		699	416	94	15				.455	.678	1.132	180	81.8	.487	167	72.9
5	Al Simmons A. Simmons	.390	1931	PHA	128	513	105	200	37	13	22	128	47	3	45	3	3	563	329	72	0				.444	.641	1.085	135	65.1	.484	176	57.9
6	George Brett G. Brett	.390	1980	KCR	117	449	87	175	33	9	24	118	58	1	22	15	6	515	298	66	0	7	16	11	.454	.664	1.118	120	62.7	.478	198	59.2
7	Ted Williams T. Williams	.388	1957	BOS	132	420	96	163	28	1	38	87	119	5	43	0	1	546	307	67	0	2	33	11	.526	.731	1.257	148	87.3	.524	223	79
8	Rod Carew R. Carew	.388	1977	MIN	155	616	128	239	38	16	14	100	69	3	55	23	13	694	351	68	1	5	15	6	.449	.570	1.019	145	64.4	.440	175	61.4
9	Luke Appling L. Appling	.388	1936	CWS	138	526	111	204	31	7	6	128	85	1	25	10	6	618	267	44	6				.474	.508	.981	135	54.2	.454	142	40
10	Chuck Klein C. Klein	.386	1930	PHN	156	648	158	250	59	8	40	170	54	4	50	4		719	445	107	13				.436	.687	1.123	181	80	.481	152	58.7
11	Arky Vaughan A. Vaughan	.385	1935	PIT	137	499	108	192	34	10	19	99	97	7	18	4		610	303	63	7			5	.491	.607	1.098	151	75	.493	194	72.7
12	Lefty O'Doul L. O'Doul	.383	1930	PHN	140	528	122	202	37	7	22	97	63	5	21	3		606	319	66	10				.453	.604	1.057	144	58.3	.464	143	40.3
13	Joe DiMaggio J. DiMaggio	.381	1939	NYY	120	462	108	176	32	6	30	126	52	4	20	3	0	524	310	68	6			11	.448	.671	1.119	129	64	.495	180	58.5
14	Al Simmons A. Simmons	.381	1930	PHA	138	554	152	211	41	16	36	165	39	1	34	9	2	611	392	93	17				.423	.708	1.130	153	67.4	.480	173	63.8
15	Freddie Lindstrom F. Lindstrom	.379	1930	NYG	148	609	127	231	39	7	22	106	48	0	33	15		671	350	68	14				.425	.575	.999	145	50.1	.440	140	41.5
16	Larry Walker L. Walker	.379	1999	COL	127	438	108	166	26	4	37	115	57	12	52	11	4	513	311	67	0	6	8	12	.458	.710	1.168	131	64.1	.485	167	46.6
17	Lou Gehrig L. Gehrig	.379	1930	NYY	154	581	143	220	42	17	41	173	101	3	63	12	14	703	419	100	18				.473	.721	1.194	193	94.5	.507	198	98.3
18	Earl Averill E. Averill	.378	1936	CLE	152	614	136	232	39	15	28	126	65	1	35	3	3	682	385	82	2				.438	.627	1.065	160	70.4	.473	153	55.7
19	Stan Musial S. Musial	.376	1948	SLN	155	611	135	230	46	18	39	131	79	3	34	7		694	429	103	1			18	.450	.702	1.152	174	92.3	.512	201	86.4
20	Joe Medwick J. Medwick	.374	1937	SLN	156	633	111	237	56	10	31	154	41	2	50	4		677	406	97	1			11	.414	.641	1.056	153	68	.467	180	67.4
21	Babe Ruth B. Ruth	.373	1931	NYY	145	534	149	199	31	3	46	162	128	1	51	5	4	663	374	80	0				.495	.700	1.195	181	98.6	.525	206	95.1
22	Paul Waner P. Waner	.373	1936	PIT	148	585	107	218	53	9	5	94	74	3	29	7		666	304	67	4			15	.446	.520	.965	139	51.6	.442	162	52.9
23	Todd Helton T. Helton	.372	2000	COL	160	580	138	216	59	2	42	147	103	4	61	5	3	697	405	103	0	10	22	12	.463	.698	1.162	174	82.4	.476	161	58
24	Nomar Garciaparra N. Garciaparra	.372	2000	BOS	140	529	104	197	51	3	21	96	61	2	50	5	2	599	317	75	0	7	20	8	.434	.599	1.033	126	47.5	.432	154	44
25	Ichiro Suzuki I. Suzuki	.372	2004	SEA	161	704	101	262	24	5	8	60	49	4	63	36	11	762	320	37	2	3	19	6	.414	.455	.869	124	29.1	.375	131	30