Since 2019-20, the Milwaukee Bucks had the highest winning percentage by a team, winning 66.5 percent of the time.

highest regular season winning percentage the last five seasons

TEAM	W%	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Milwaukee Bucks	.665	391	241.2	118.0	47.8	25.5	7.2	4.9	14.0	43.1	90.1	47.8	14.3	38.6	37.0	17.5	23.1	75.9	94,315	46,127	18,679	9,974	2,813	1,905	5,455	7,224
Boston Celtics	.656	390	242.4	115.4	45.6	25.1	7.2	5.7	13.3	41.9	88.9	47.2	14.4	38.8	37.3	17.1	21.3	80.3	94,525	45,014	17,797	9,773	2,820	2,235	5,199	7,413
Denver Nuggets	.642	391	241.7	114.0	44.0	28.0	7.6	4.6	13.8	42.9	87.9	48.9	12.0	32.6	36.8	16.1	20.8	77.6	94,490	44,564	17,210	10,946	2,963	1,790	5,395	7,512
Philadelphia 76ers	.624	391	241.7	112.9	43.2	24.7	8.2	5.5	13.3	40.8	86.5	47.2	11.9	31.9	37.1	19.4	24.1	80.3	94,490	44,126	16,909	9,639	3,203	2,152	5,209	7,918
Phoenix Suns	.621	391	241.3	114.7	44.1	27.2	7.6	4.8	13.7	42.6	88.6	48.1	12.1	32.7	37.1	17.5	21.5	81.2	94,365	44,861	17,224	10,623	2,973	1,886	5,369	7,830
L.A. Clippers	.597	390	241.0	113.5	44.3	24.3	7.3	4.7	13.8	41.4	87.2	47.4	12.9	33.8	38.3	17.9	22.2	80.4	93,975	44,271	17,285	9,489	2,848	1,816	5,372	7,622
Miami Heat	.581	391	241.8	110.0	42.5	25.4	7.7	3.6	13.9	39.5	84.8	46.5	12.9	35.1	36.6	18.2	22.5	80.7	94,540	42,991	16,609	9,948	2,994	1,406	5,439	7,474
Dallas Mavericks	.573	393	241.4	113.9	42.9	23.9	6.5	4.3	12.4	41.0	87.3	47.0	14.4	39.5	36.4	17.5	22.8	76.8	94,870	44,760	16,870	9,400	2,539	1,709	4,876	7,667
Los Angeles Lakers	.558	389	242.3	114.2	44.5	25.6	7.5	5.4	14.6	42.3	88.0	48.0	11.3	32.0	35.5	18.3	24.3	75.3	94,260	44,420	17,323	9,958	2,931	2,110	5,663	7,251
Utah Jazz	.546	390	241.2	114.9	46.1	24.4	6.5	5.0	14.9	41.3	87.9	47.0	14.1	38.6	36.7	18.1	22.8	79.2	94,050	44,795	17,996	9,515	2,537	1,951	5,806	7,552
Memphis Grizzlies	.527	391	241.2	112.8	46.3	26.1	8.7	5.8	14.1	42.2	91.5	46.1	11.8	33.6	35.0	16.7	22.2	75.1	94,315	44,123	18,092	10,194	3,384	2,269	5,504	7,721
Brooklyn Nets	.523	390	241.5	113.3	44.2	25.5	6.8	5.3	13.9	41.5	88.0	47.2	12.9	35.2	36.7	17.4	22.2	78.2	94,175	44,188	17,223	9,956	2,671	2,080	5,430	7,797
Golden State Warriors	.514	383	241.3	113.9	44.6	28.0	7.8	4.5	15.1	41.6	89.0	46.7	14.3	38.6	37.0	16.4	20.9	78.6	92,420	43,611	17,100	10,725	3,000	1,713	5,780	7,908
New York Knicks	.510	384	241.8	109.9	45.9	22.6	7.1	4.6	13.3	40.1	88.0	45.6	12.2	33.7	36.2	17.5	23.2	75.3	92,860	42,183	17,626	8,668	2,720	1,753	5,115	7,722
Toronto Raptors	.497	390	241.4	111.7	43.6	24.8	8.7	5.0	13.2	41.0	89.9	45.6	12.4	35.0	35.5	17.3	22.2	78.1	94,150	43,566	17,005	9,656	3,398	1,934	5,143	7,842
Minnesota Timberwolves	.487	382	241.8	114.1	43.5	25.7	8.4	5.7	14.7	41.4	89.0	46.5	13.2	36.8	35.9	18.0	23.6	76.5	92,380	43,586	16,634	9,806	3,212	2,161	5,604	7,975
New Orleans Pelicans	.482	390	241.5	113.8	45.3	26.1	8.0	4.4	14.5	41.9	88.6	47.3	11.6	32.3	36.0	18.3	24.0	76.3	94,175	44,368	17,656	10,183	3,129	1,716	5,649	7,617
Cleveland Cavaliers	.480	383	241.7	108.9	43.1	25.1	7.3	4.3	14.6	40.4	86.1	47.0	11.6	32.6	35.7	16.4	21.5	76.2	92,570	41,704	16,495	9,624	2,777	1,643	5,574	6,925
Oklahoma City Thunder	.479	390	241.7	111.5	43.9	23.6	7.8	4.9	13.8	41.0	89.0	46.1	12.1	34.3	35.2	17.4	22.2	78.4	94,250	43,496	17,138	9,197	3,046	1,928	5,401	7,459
Sacramento Kings	.477	390	241.7	114.4	42.7	25.8	7.4	4.2	13.7	42.2	88.9	47.5	12.9	35.7	36.2	17.1	22.4	76.5	94,250	44,617	16,657	10,053	2,886	1,637	5,346	7,795
Indiana Pacers	.476	391	241.5	115.3	42.5	27.3	7.7	5.8	13.8	43.2	90.3	47.8	12.3	34.0	36.2	16.6	21.1	78.4	94,415	45,076	16,606	10,677	2,997	2,253	5,409	8,070
Atlanta Hawks	.470	385	241.8	115.4	44.4	24.9	7.3	4.7	13.5	42.2	90.3	46.8	12.4	34.4	36.0	18.6	23.1	80.6	93,100	44,431	17,091	9,588	2,808	1,801	5,181	7,537
Chicago Bulls	.465	383	242.0	111.1	43.1	24.7	7.8	4.4	13.7	41.7	88.1	47.3	11.4	31.6	36.1	16.3	20.6	79.4	92,670	42,548	16,495	9,449	3,001	1,670	5,248	7,411
Portland Trail Blazers	.403	392	241.0	111.2	43.1	22.5	7.1	4.9	13.7	40.3	88.8	45.4	13.1	36.0	36.3	17.5	22.1	79.4	94,480	43,600	16,905	8,811	2,798	1,910	5,366	7,993
Orlando Magic	.402	391	241.0	107.6	43.9	23.5	7.5	4.8	14.0	39.4	87.4	45.1	11.2	32.7	34.2	17.6	22.7	77.5	94,240	42,060	17,167	9,194	2,922	1,886	5,491	7,455