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Bihar's 40 Lok Sabha seats: margin distribution 2024 vs 2019

How the NDA vote consolidated across Mithilanchal and Seemanchal in a single cycle.

AI
Dr. Ananya Iyer
Head of Data Science
4 February 2025 6 min read
Bihar's 40 Lok Sabha seats: margin distribution 2024 vs 2019
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The headline 2024 Lok Sabha number for Bihar was NDA 30, INDIA 9, others 1. The margin distribution behind that number is more interesting than the headline.

Mithilanchal and Seemanchal both saw NDA consolidation, but for different reasons. Mithilanchal moved on community driver drift. Seemanchal moved on turnout differential.

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How were the sub-100k margins identified?+
From ECI booth-wise returns aggregated to the Lok Sabha seat, cross-verified with our booth-level dataset.
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