| Political Party | Number of MPs |
| United Progressive Alliance | 275 |
| Indian National Congress | 203 |
| Nationalist Congress Party | 9 |
| Rashtriya Lok Dal | 3 |
| Jammu and Kashmir National Conference | 3 |
| Jharkhand Mukti Morcha | 2 |
| Indian Union Muslim League | 2 |
| Kerala Congress (Mani) | 1 |
| Samajwadi Party | 22 |
| Bahujan Samaj Party | 20 |
| Rashtriya Janata Dal | 3 |
| Janata Dal (Secular) | 1 |
| Assam United Democratic Front | 1 |
| Bodaland Peoples Front | 1 |
| Bahujan Vikas Aaghadi | 1 |
| Sikkim Democratic Front | 1 |
| Swabhimani Paksha | 1 |
| Nagaland Peoples Front | 1 |
| National Democratic Alliance | 133 |
| Bharatiya Janata Party | 117 |
| Shiv Sena | 11 |
| Shiromani Akali Dal | 4 |
| Haryana Janhit Congress (BL) | 1 |
| Left Front | 25 |
| Communist Party of India (Marxist) | 16 |
| Communist Party of India | 4 |
| All India Forward Bloc | 2 |
| Revolutionary Socialist Party (India) | 2 |
| Socialist Unity Centre of India (Communist) | 1 |
| No Alliance | 105 |
| Janata Dal (United) | 19 |
| All India Trinamool Congress | 19 |
| Dravida Munnetra Kazhagam | 18 |
| Biju Janata Dal | 14 |
| All India Anna Dravida Munnetra Kazhagam | 9 |
| Independent | 7 |
| Telugu Desam Party | 6 |
| Telangana Rashtra Samithi | 2 |
| YSR Congress Party | 2 |
| Jharkhand Vikas Morcha (Prajatantrik) | 2 |
| All India Majlis-e-Ittehadul Muslimeen | 1 |
| Asom Gana Parishad | 1 |
| Marumalarchi Dravida Munnetra Kazhagam | 1 |
| Viduthalai Chiruthaigal Katchi | 1 |
| Vacant Constituencies | 6 | |
| Members Suspended for Defection | 3 |
| Vacant | 1 |
| Disqualified (for Criminal Conviction) | 2 |