| Sl. No. | Political Party | No. of Candidates | Seats won | Votes | Percentage |
| 1 | All India Muslim League AIML | 1 | 0 | 196820 | 2.41 |
| 2 | Communist Party of India CPI | 3 | 2 | 532537 | 6.52 |
| 3 | Communist Party of India (Marxist) CPM | 7 | 6 | 1559044 | 19.09 |
| 4 | Indian National Congress (Indira) INCI | 11 | 5 | 2150186 | 26.32 |
| 5 | Others / Independents IND | 52 | 0 | 215158 | 2.63 |
| 6 | Congress (U) INU | 6 | 3 | 1294480 | 15.85 |
| 7 | Indian Union Muslim League IUML | 2 | 2 | 454235 | 5.56 |
| 8 | Janata Party JP | 4 | 0 | 547454 | 6.70 |
| 9 | Kerala Congress (Joseph) KCJ | 2 | 1 | 350537 | 4.29 |
| 10 | Kerala Congress (Mani) KCM | 2 | 1 | 356997 | 4.37 |
| 11 | National Democratic Party NDP | 1 | 0 | 163523 | 2.00 |
| 12 | Revolutionary Socialist Party RSP | 1 | 0 | 185562 | 2.27 |
| 13 | Socialist Republican Party SRP | 1 | 0 | 162104 | 1.98 |
| Total | 93 | 20 | 8168637 | 100.00 |