Why Congress Doesn't Work These Days...
| Avg Democratic Party Unity | Avg Republican Party Unity | |
|---|---|---|
| 1961 | 80.8 | 80.6 |
| 1971 | 70.2 | 76 |
| 1981 | 77.6 | 77.5 |
| 1991 | 86.2 | 82.2 |
| 2001 | 87.7 | 93.5 |
| 2011 | 91 | 93.5 |
Sources:
brookings.edu
| Avg Democratic Party Unity | Avg Republican Party Unity | |
|---|---|---|
| 1961 | 80.8 | 80.6 |
| 1971 | 70.2 | 76 |
| 1981 | 77.6 | 77.5 |
| 1991 | 86.2 | 82.2 |
| 2001 | 87.7 | 93.5 |
| 2011 | 91 | 93.5 |