| Party | Lead/Won | Change |
| |
39 | -- |
| |
1 | -- |
| |
0 | -- |
| Constituency | National Democratic Alliance | United Progressive Alliance | Others | Status |
| Araria | Pradeep Singh (BJP) | Sarfarz Alam (RJD) | - | BJP wins |
| Arrah | Rajkumar Singh (BJP) | Raju Yadav (Kerala Congress) | - | BJP wins |
| Aurangabad | Susheel Kumar Singh (BJP) | Upender Prasad (HAM) | - | BJP wins |
| Banka | Girdhari Yadav JD(U) | Jai Prakash Yadav (RJD) | - | JD(U) wins |
| Begusarai | Giriraj Singh (BJP) | Tanveer Hasan (RJD) | - | BJP wins |
| Bhagalpur | Ajay Kumar Mandal JD(U) | Bulo Mandal (RJD) | - | JD(U) wins |
| Buxar | Ashwini Kumar Choubey (BJP) | Jagdananad Singh (RJD) | - | BJP wins |
| Darbhanga | Gopal Ji Thakur (BJP) | Abdul Bari Siddiqui (RJD) | - | BJP wins |
| Gaya(SC) | Vijay Kumar Manjhi JD(U) | jitan ram manjhi (HAM) | - | JD(U) wins |
| Gopalganj(SC) | Dr. Alok Kumar Suman JD(U) | Surender Ram urf Mahant (RJD) | - | JD(U) wins |
| Hajipur(SC) | Pashupati Kumar Paras (LJP) | Shiv Chancier Ram (RJD) | - | LJP wins |
| Jahanabad | Chandeshwar Prasad Chandravanshi JD(U) | Surender Yadav (RJD) | - | JD(U) wins |
| Jamui(SC) | Chirag Kumar Paswan (LJP) | Bhudeo Chaudhary (RLSP) | - | LJP wins |
| Jhanjharpur | Ram Preet Mandal JD(U) | Gulab Yadav (RJD) | - | JD(U) wins |
| Karakat | Mahabali Singh JD(U) | Upendra Kushwaha (RLSP) | - | JD(U) wins |
| Katihar | Dular Chand Goswami JD(U) | Tariq Anwar (Congress) | - | JD(U) wins |
| Khagaria | Choudhary Mehboob Ali Kaiser | Mukesh Sahani (VIP) | - | LJP wins |
| Kishanganj | Mahmood Ashraf JD(U) | Mohammad Javed (Congress) | - | Congress wins |
| Madhepura | Dinesh Chandra Yadav JD(U) | Sharad Yadav (RJD) | - | JD(U) wins |
| Madhubani | Ashok Kumar Yadav (BJP) | Badrinath Purve (VIP) | - | BJP wins |
| Maharajganj | Janardan Singh Sigriwal (BJP) | Randhir Singh (RJD) | - | BJP wins |
| Munger | Rajiv Ranjan Singh urf Lallan Singh JD(U) | Smt. Neelam Devi (Congress) | - | JD(U) wins |
| Muzaffarpur | Ajay Nishad (BJP) | Raj Bhushan Choudhary (VIP) | - | BJP wins |
| Nalanda | Kaushalendra Kumar JD(U) | Ashok Kumar Azad Chandervanshi (VIP) | - | JD(U) wins |
| Nawada | Chandan Kumar (LJP) | Vibha Devi (RJD) | - | LJP wins |
| Paschim Champaran | Dr. Sanjay Jaiswal (BJP) | Brajesh kumar Kushwaha (INC) | - | BJP wins |
| Pataliputra | - | Misa Bharti (RJD) | - | BJP wins |
| Patna Sahib | Ravi Shankar Prasad (BJP) | Shatrughan Sinha (Congress) | - | BJP wins |
| Purnia | Santosh Kumar Kushwah JD(U) | Uday Singh (Congress) | - | JD(U) wins |
| Purvi Champaran | Radha Mohan Singh (BJP) | Akash Kumar Singh (Congress) | - | BJP wins |
| Samastipur(SC) | Ramchandra Paswan (LJP) | Dr. Ashok Kumar (Congress) | - | LJP wins |
| Saran | Rajiv Pratap Rudy (BJP) | Chandrika Rai (RJD) | - | BJP wins |
| Sasaram(SC) | Chedi Paswan (BJP) | Smt. Meira Kumar (Congress) | - | BJP wins |
| Sheohar | Smt. Rama Devi (BJP) | Syed fasal ali (Congress) | - | BJP wins |
| Sitamarhi | Dr. Varun Kumar JD(U) | Arjun Rai (RJD) | - | JD(U) wins |
| Siwan | Kavita Singh JD(U) | Heena Sahab (RJD) | - | JD(U) wins |
| Supaul | Dileshwar Kamath JD(U) | Smt Ranjeet Ranjan (Congress) | - | JD(U) wins |
| Ujiarpur | Nityanand Rai (BJP) | Upendra Kushwaha (RLSP) | - | BJP wins |
| Vaishali | Veena Devi (LJP) | Raghuvansh Babu (RJD) | - | LJP wins |
| Valmiki Nagar | Baidya Nath Prasad Mahato JD(U) | Shashwat Kedar (Congress) | - | JD(U) wins |