US Elections Data
Key details to remember about the structure of elections in the United States.
Voter Registration
Most states and territories have databases of residents who are registered to vote. North Dakota does not register voters.
Registration Timeline
Six states are exempt from the NVRA (1993). Unless indicated, this means that residents can register to vote on election day.
- Idaho
- Minnesota
- New Hampshire
- North Dakota*
- Wisconsin
- Wyoming
*North Dakota does not register voters
Voting Age
Most states require an individual to be 18 years old before voting. Some states allow 17 year olds to vote in primary elections if they will be 18 for the corresponding election day.
- Colorado
- Connecticut
- Delaware
- D.C.***
- Illinois
- Indiana
- Iowa**
- Kentucky
- Maine
- Maryland
- Mississippi
- Nebraska
- Nevada**
- New Mexico
- North Carolina
- Ohio
- South Carolina
- Utah
- Vermont
- Virginia
- West Virginia
- Alaska* **
- Hawaii* **
- North Dakota* **
- Wyoming* **
*state Republican Party bars 17 year olds
**state bars 17 year olds from congressional primaries
***D.C. does not have congressional representation
Many states have provisions for 16 or 17 year olds to 'pre-register'.