ULAGA MAKKAL NALA MAHIZI SINTHANNYALAR KAZHAGAM vs COMMUNIST PARTY OF INDIA (MARXIST)
Lok Sabha seats won in each election, as recorded in our results data.
| Year | UMSK | CPM |
|---|---|---|
| 2014 | — | 9 |
| 2009 | — | 16 |
| 2004 | — | 43 |
| 1999 | — | 33 |
| 1998 | — | 32 |
| 1996 | — | 32 |
| 1991 | — | 35 |
| 1989 | — | 33 |
| 1984 | — | 22 |
| 1980 | — | 37 |
| 1977 | — | 22 |
| 1971 | — | 25 |
| 1967 | — | 19 |
A dash means the party has no seats recorded for that year in our data (it may not have existed or contested). Splits and mergers are not joined up. Seats are as in our results data, not an official count.