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Data Completeness

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A pair of glasses lies upside down on top of a lined notebook. The notebook is open and one page is covered in writing. A pen rests next to the glasses.

05.09.2024

The EPI Data Completeness Indicator

A Deep Dive into the 2022 EPI

By Kate Murray

Scattered red white and blue "I voted" stickers across a white background

03.02.2020

Filling in the Gaps

Data Completeness and the EPI

By Jack Williams

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Elections
Performance Index
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A PROJECT OF MIT ELECTION DATA & SCIENCE LAB
©2025 Massachusetts Institute of Technology Election Data + Science Lab | Accessibility