About
About VoteAtlas
What this site is, where its data comes from, and how to use it.
What VoteAtlas is
VoteAtlas is a non-partisan educational website about U.S. federal elections — their history, rules, and data — not an official government resource. It explains how U.S. presidential and congressional elections work, presents historical results, and summarizes state voting rules in plain language for general education.
Data & Methodology
Our goal is accuracy and clear sourcing. Here is where the main datasets come from and how they are handled:
- Presidential results (1789–2024) are compiled from public historical records of election outcomes and electoral votes.
- Voter ID and voting rules are based on state law and the National Conference of State Legislatures (NCSL).
- Win counts use modern party affiliations — the Democratic Party from 1828 and the Republican Party from 1856. Earlier parties (Federalist, Democratic-Republican, Whig, and others) are counted separately, not merged into a modern party.
- Last-reviewed dates are shown on data pages so you can see when a dataset was last checked against its sources.
Corrections
We aim to get every date, result, and rule right, but mistakes can happen. If you spot an error — an incorrect result, an outdated rule, or a broken link — please report it so it can be reviewed and corrected. Accuracy reports are welcome and help keep the site reliable.
Not legal advice
VoteAtlas is for general education and is not legal advice. Election rules change and vary by state. Before voting, always verify your voting requirements — registration deadlines, accepted ID, and voting options — with your state's official election office.