MLB league batting averages by decade

	LEAGUE	DECADE	AVG	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	NL	1870s	.262	1,890	.500	930	930	71,587	10,419	18,753	2,503	834	145		1,553					73,140	23,359	3,482						.326
2	NL	1880s	.253	8,778	.500	4,301	4,301	311,072	46,781	78,785	12,541	4,532	2,219	20,623	18,330	937		8,408		330,339	107,047	19,292					.297	.344	.641
3	AA	1880s	.250	7,884	.500	3,871	3,871	278,075	44,709	69,480	9,826	4,582	1,429	22,760	18,354	1,392		11,256		298,931	92,757	15,837					.302	.334	.636
4	UA	1880s	.245	856	.500	422	422	30,439	4,825	7,457	1,230	279	125		1,134					31,573	9,620	1,634						.316
5	NL	1890s	.278	15,684	.500	7,683	7,683	549,472	92,034	152,933	20,913	9,431	3,968	75,961	50,540	6,420	35,232	26,767		613,547	204,612	34,312	7,115				.346	.372	.718
6	AA	1890s	.254	2,194	.500	1,071	1,071	75,665	12,563	19,210	2,501	1,219	478	9,333	7,977	1,086	4,015	4,766		84,728	25,583	4,198					.334	.338	.672
7	PL	1890s	.274	1,058	.500	525	525	38,425	7,278	10,523	1,561	745	316	5,762	4,182	409		1,983		43,016	14,522	2,622					.351	.378	.729
8	NL	1900s	.255	11,942	.500	5,870	5,870	396,309	48,160	100,929	13,219	5,298	1,650	39,298	30,900	3,989	40,624	14,932		442,798	129,694	20,167	11,600				.315	.327	.642
9	AL	1900s	.252	10,742	.500	5,266	5,266	357,634	42,345	90,119	13,003	4,933	1,448	34,969	24,814	3,396	38,785	12,313		396,939	117,332	19,384	11,095				.307	.328	.635
10	NL	1910s	.256	12,078	.500	5,944	5,944	399,449	47,083	102,119	14,900	5,903	2,406	39,968	33,813	3,159	43,355	13,734		449,777	136,043	23,209	13,356				.319	.341	.659
11	AL	1910s	.255	12,084	.500	5,950	5,950	396,357	47,518	101,056	14,661	5,742	1,581	39,388	37,114	3,523	45,509	14,561		451,702	131,944	21,984	14,708				.324	.333	.657
12	FL	1910s	.259	2,486	.500	1,220	1,220	81,510	9,894	21,105	3,248	1,178	545	8,475	7,260	589	9,422	2,950		92,206	28,344	4,971	2,847				.324	.348	.672
13	NL	1920s	.285	12,316	.500	6,128	6,128	425,862	58,123	121,332	19,377	6,016	5,210	52,748	34,242	2,364	34,306	7,294		475,846	168,371	30,603	13,378				.342	.395	.737
14	AL	1920s	.286	12,330	.500	6,129	6,129	422,082	60,394	120,584	21,492	5,960	4,684	54,564	40,159	2,824	34,926	7,134		480,746	168,048	32,136	15,681				.352	.398	.750
15	NL	1930s	.277	12,320	.500	6,117	6,117	430,725	56,915	119,263	20,820	4,733	6,304	52,974	34,608	1,968	40,361	4,143		475,806	168,461	31,857	8,505			1,013	.333	.391	.725
16	AL	1930s	.280	12,302	.500	6,102	6,102	430,705	64,562	120,787	22,419	5,354	7,138	60,110	45,278	1,699	41,297	5,504		485,782	175,328	34,911	8,100			933	.351	.407	.758
17	NL	1940s	.260	12,392	.500	6,140	6,140	425,214	52,887	110,494	18,267	3,745	6,635	48,992	41,846	1,802	43,096	4,253		476,604	156,156	28,647	7,742			8,957	.329	.367	.696
18	AL	1940s	.260	12,360	.500	6,137	6,137	422,747	53,700	109,926	18,321	4,249	6,323	49,806	45,963	1,594	44,703	4,639		477,642	155,714	28,893	7,338			9,793	.335	.368	.703
19	NL	1950s	.260	12,376	.500	6,161	6,161	422,678	55,168	109,966	17,522	3,680	11,344	51,684	41,807	2,282	55,366	3,874	2,353	474,659	168,880	32,546	5,838	2,054	2,185	9,803	.329	.400	.728
20	AL	1950s	.259	12,372	.500	6,154	6,154	420,811	54,881	108,808	17,066	3,383	9,516	51,525	46,402	2,506	53,418	3,550	2,537	478,059	161,188	29,965	6,310	2,030	1,446	10,318	.334	.383	.717
21	NL	1960s	.252	15,782	.500	7,870	7,870	536,292	63,693	135,199	20,495	4,144	12,272	59,086	46,629	3,462	90,838	6,774	4,323	597,287	200,798	36,911	7,149	3,755	5,858	11,487	.314	.374	.688
22	AL	1960s	.245	16,140	.500	8,052	8,052	544,040	65,293	133,448	20,713	3,617	13,897	60,868	53,417	3,529	91,593	6,597	3,705	612,170	203,086	38,227	7,219	3,965	4,541	11,878	.315	.373	.688
23	NL	1970s	.256	19,346	.500	9,666	9,666	657,643	80,006	168,178	27,095	4,757	13,931	74,331	64,191	3,533	102,689	12,243	6,321	739,986	246,580	45,783	9,366	5,253	7,871	14,600	.323	.375	.698
24	AL	1970s	.257	20,266	.500	10,129	10,129	685,820	84,629	176,254	27,878	4,470	15,612	79,138	66,579	4,155	101,052	12,341	7,404	770,783	259,908	47,960	8,420	5,809	5,572	15,988	.324	.379	.703
25	NL	1980s	.254	18,774	.500	9,374	9,374	637,029	76,682	162,041	27,792	4,342	13,352	71,603	60,167	2,915	104,524	16,890	7,618	714,169	238,573	45,486	8,793	5,265	7,597	13,325	.319	.375	.694