league average defensive rating per year for past 5 years
| LEAGUE | DRTG | SEASON | 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 | NBA | 112.8 | 2019-20 | 115 | 485.7 | 229.9 | 88.6 | 49.2 | 15.4 | 8.9 | 82.0 | 176.9 | 46.4 | 26.1 | 71.7 | 36.4 | 39.8 | 50.4 | 79.0 | 57.7 | 18.9 | 69.7 | 28.3 | 55,850 | 26,438 | 10,190 | 5,660 | 1,772 | 1,024 | 3,258 | 5,175 |
| 2 | NBA | 113.1 | 2020-21 | 1,080 | 482.9 | 224.2 | 88.6 | 49.6 | 15.1 | 9.7 | 82.4 | 176.8 | 46.6 | 25.4 | 69.3 | 36.7 | 33.9 | 43.6 | 77.8 | 57.2 | 19.7 | 68.9 | 26.5 | 521,500 | 242,117 | 95,686 | 53,577 | 16,356 | 10,524 | 28,568 | 41,668 |
| 3 | NBA | 112.8 | 2021-22 | 1,230 | 482.7 | 221.2 | 88.9 | 49.3 | 15.3 | 9.4 | 81.2 | 176.2 | 46.1 | 24.9 | 70.4 | 35.4 | 33.9 | 43.7 | 77.5 | 56.6 | 20.7 | 68.2 | 26.1 | 593,750 | 272,115 | 109,347 | 60,636 | 18,772 | 11,594 | 32,117 | 48,306 |
| 4 | NBA | 115.6 | 2022-23 | 1,230 | 483.6 | 229.4 | 86.9 | 50.6 | 14.6 | 9.3 | 84.0 | 176.6 | 47.5 | 24.7 | 68.4 | 36.1 | 36.8 | 47.1 | 78.2 | 58.1 | 20.9 | 66.0 | 26.9 | 594,850 | 282,127 | 106,858 | 62,279 | 17,933 | 11,448 | 33,040 | 49,149 |
| 5 | NBA | 116.1 | 2023-24 | 1,230 | 482.7 | 228.4 | 87.1 | 53.3 | 14.9 | 10.3 | 84.3 | 177.8 | 47.4 | 25.7 | 70.2 | 36.6 | 34.1 | 43.4 | 78.4 | 58.0 | 21.1 | 66.0 | 25.8 | 593,750 | 280,960 | 107,112 | 65,609 | 18,386 | 12,650 | 31,737 | 46,074 |
| 6 | NBA | 115.1 | 2024-25 | 941 | 482.7 | 227.2 | 88.4 | 53.0 | 16.5 | 10.0 | 83.1 | 178.5 | 46.6 | 26.9 | 75.0 | 35.8 | 34.1 | 43.6 | 78.1 | 57.5 | 22.2 | 66.1 | 27.3 | 454,180 | 213,819 | 83,139 | 49,893 | 15,512 | 9,379 | 25,671 | 35,365 |
StatMuse has team, game-level data for defensive rating going back to the 1984-85 season.
Cavaliers 
Celtics 
Knicks 
Bucks 
Pacers 
Pistons 
Thunder 
Lakers 
Nuggets 
Grizzlies 
Rockets 
Warriors 
BKN 
CHA 
LAC 
SAS 
SAC 
PHX 
MIN 
MIA 
UTA 
PHI 
TOR 
ATL 
NOP 
