Stephen Curry has the highest winning percentage by an MVP in a season, winning 89.9 percent of the time in 2015-16.

Interpreted as:

highest w%, mvp by a player, by season

	NAME	W%	MVP	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Stephen Curry S. Curry	.899	1	2015-16	GSW	79	34.2	30.1	5.4	6.7	2.1	0.2	10.2	20.2	50.4	5.1	11.2	45.4	4.6	5.1	90.8	66.9	0.9	4.6	3.3	2,700	2,375	430	527	169	15	262	161	+1022
2	Michael Jordan M. Jordan	.878	1	1995-96	CHI	82	37.7	30.4	6.6	4.3	2.2	0.5	11.2	22.6	49.5	1.4	3.2	42.7	6.7	8.0	83.4	58.2	1.8	4.8	2.4	3,090	2,491	543	352	180	42	197	195
3	Wilt Chamberlain W. Chamberlain	.840	1	1966-67	PHI	81	45.5	24.1	24.2	7.8			9.7	14.2	68.3				4.8	10.8	44.1	63.7				3,682	1,956	1,957	630				143
4	Stephen Curry S. Curry	.838	1	2014-15	GSW	80	32.7	23.8	4.3	7.7	2.0	0.2	8.2	16.8	48.7	3.6	8.1	44.3	3.9	4.2	91.4	63.8	0.7	3.6	3.1	2,613	1,900	341	619	163	16	249	158	+920
5	Michael Jordan M. Jordan	.838	1	1991-92	CHI	80	38.8	30.1	6.4	6.1	2.3	0.9	11.8	22.7	51.9	0.3	1.3	27.0	6.1	7.4	83.2	57.9	1.1	5.3	2.5	3,102	2,404	511	489	182	75	200	201
6	Shaquille O'Neal S. O'Neal	.835	1	1999-00	LAL	79	40.0	29.7	13.6	3.8	0.5	3.0	12.1	21.1	57.4	0.0	0.0	0.0	5.5	10.4	52.4	57.8	4.3	9.4	2.8	3,163	2,344	1,078	299	36	239	223	255	+706
7	Dave Cowens D. Cowens	.829	1	1972-73	BOS	82	41.8	20.5	16.2	4.1			9.0	20.0	45.2				2.5	3.2	77.9	48.1				3,425	1,684	1,329	333				311
8	Shai Gilgeous-Alexander S. Gilgeous-Alexander	.829	1	2024-25	OKC	76	34.2	32.7	5.0	6.4	1.7	1.0	11.3	21.8	51.9	2.1	5.7	37.5	7.9	8.8	89.8	63.7	0.9	4.1	2.4	2,598	2,484	379	486	131	77	183	164	+918
9	Bill Walton B. Walton	.828	1	1977-78	POR	58	33.3	18.9	13.2	5.0	1.0	2.5	7.9	15.2	52.2				3.1	4.2	72.0	55.4	2.0	11.2	3.6	1,929	1,097	766	291	60	146	206	145
10	Dirk Nowitzki D. Nowitzki	.821	1	2006-07	DAL	78	36.2	24.6	8.9	3.4	0.7	0.8	8.6	17.2	50.2	0.9	2.2	41.6	6.4	7.1	90.4	60.5	1.6	7.3	2.1	2,820	1,916	693	263	52	62	167	171	+623
11	Moses Malone M. Malone	.821	1	1982-83	PHI	78	37.5	24.5	15.3	1.3	1.1	2.0	8.4	16.7	50.1	0.0	0.0	0.0	7.7	10.1	76.1	57.8	5.7	9.6	3.4	2,922	1,908	1,194	101	89	157	264	206
12	James Harden J. Harden	.819	1	2017-18	HOU	72	35.4	30.4	5.4	8.8	1.8	0.7	9.0	20.1	44.9	3.7	10.0	36.7	8.7	10.1	85.8	61.9	0.6	4.8	4.4	2,551	2,191	389	630	126	50	315	169	+527
13	Larry Bird L. Bird	.817	1	1985-86	BOS	82	38.0	25.8	9.8	6.8	2.0	0.6	9.7	19.6	49.6	1.0	2.4	42.3	5.4	6.0	89.6	58.0	2.3	7.5	3.2	3,113	2,115	805	557	166	51	266	182
14	LeBron James L. James	.815	1	2008-09	CLE	81	37.7	28.4	7.6	7.2	1.7	1.1	9.7	19.9	48.9	1.6	4.7	34.4	7.3	9.4	78.0	59.1	1.3	6.3	3.0	3,054	2,304	613	587	137	93	241	139	+870
15	Giannis Antetokounmpo G. Antetokounmpo	.810	1	2019-20	MIL	63	30.4	29.5	13.6	5.6	1.0	1.0	10.9	19.7	55.3	1.4	4.7	30.4	6.3	10.0	63.3	61.3	2.2	11.4	3.7	1,917	1,857	856	354	61	66	230	195	+682
16	Kareem Abdul-Jabbar K. Abdul-Jabbar	.805	1	1970-71	MIL	82	40.1	31.7	16.0	3.3			13.0	22.5	57.7				5.7	8.3	69.0	60.6				3,288	2,596	1,311	272				264
17	LeBron James L. James	.803	1	2012-13	MIA	76	37.9	26.8	8.0	7.3	1.7	0.9	10.1	17.8	56.5	1.4	3.3	40.6	5.3	7.0	75.3	64.0	1.3	6.8	3.0	2,877	2,036	610	551	129	67	226	110	+720
18	Charles Barkley C. Barkley	.803	1	1992-93	PHX	76	37.6	25.6	12.2	5.1	1.6	1.0	9.4	18.1	52.0	0.9	2.9	30.5	5.9	7.7	76.5	59.6	3.1	9.1	3.1	2,859	1,944	928	385	119	74	233	196
19	Steve Nash S. Nash	.800	1	2004-05	PHX	75	34.3	15.5	3.3	11.5	1.0	0.1	5.7	11.4	50.2	1.3	2.9	43.1	2.8	3.2	88.7	60.6	0.8	2.6	3.3	2,573	1,165	249	861	74	6	245	136	+664
20	LeBron James L. James	.789	1	2009-10	CLE	76	39.0	29.7	7.3	8.6	1.6	1.0	10.1	20.1	50.3	1.7	5.1	33.3	7.8	10.2	76.7	60.4	0.9	6.4	3.4	2,966	2,258	554	651	125	77	261	119	+648
21	Bill Russell B. Russell	.789	1	1961-62	BOS	76	45.2	18.9	23.6	4.5			7.6	16.6	45.7				3.8	6.3	59.5	48.9				3,433	1,436	1,790	341				207
22	Magic Johnson M. Johnson	.788	1	1986-87	LAL	80	36.3	23.9	6.3	12.2	1.7	0.5	8.5	16.4	52.2	0.1	0.5	20.5	6.7	7.9	84.8	60.2	1.5	4.8	3.8	2,904	1,909	504	977	138	36	300	168
23	Larry Bird L. Bird	.788	1	1984-85	BOS	80	39.5	28.7	10.5	6.6	1.6	1.2	11.5	22.0	52.2	0.7	1.6	42.7	5.0	5.7	88.2	58.5	2.1	8.5	3.1	3,161	2,295	842	531	129	98	248	208
24	Magic Johnson M. Johnson	.785	1	1989-90	LAL	79	37.2	22.3	6.6	11.5	1.7	0.4	6.9	14.4	48.0	1.3	3.5	38.4	7.2	8.1	89.0	62.2	1.6	5.0	3.7	2,937	1,765	522	907	132	34	289	167
25	Bill Russell B. Russell	.782	1	1964-65	BOS	78	44.4	14.1	24.1	5.3			5.5	12.6	43.8				3.1	5.5	57.3	47.2				3,466	1,102	1,878	410				204